Filler Neck Supply Co
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Your Filler Neck And Hose Specialist!

  • FACTORY REPLACEMENT FUEL FILLER NECKS
    • Show All
    • Acura
      • 1.6 EL
      • CSX
      • Legend
      • MDX
    • Kaiser
      • M715 Military Jeep
    • Daewoo
      • Lanos Fuel Filler Neck
    • BMW
    • Buick
      • Century
      • Enclave
      • Riviera
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      • 200
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      • Caliber
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      • B 1500 Van
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      • E150
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      • Explorer Sport Trac Filler Neck
      • F100
      • F150
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      • Focus
      • Freestar
      • Mustang
      • Pickup
      • Probe
      • Ranger
      • Taurus
      • Tempo
      • Thunderbird
      • Windstar
    • Geo
      • Metro
      • Prizm
      • Spectrum
      • Storm
      • Tracker
    • GMC
      • C3500
      • Savana 1500
      • Savana 2500
      • Savanna 3500
      • C4500
      • Acadia
      • C/K 10
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      • C/K1500 Pickup
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      • Canyon
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      • Accord
      • Civic
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      • CR-V
      • CRX
      • Element
      • Odyssey
      • Passport
      • Pilot
      • Prelude
    • Hyundai
      • Tucson
      • Accent
      • Elantra
      • Excel
      • Santa Fe
      • Scoupe
      • Sonata
      • XG 300
    • Infiniti
      • QX56
      • FX35
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    • Isuzu
      • Amigo
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      • Commander
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    • Land rover
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    • Lexus
      • Lexus RX330
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    • Lincoln
      • Aviator
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    • Mazda
      • 323
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      • Tribute
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      • Mountaineer
      • Mystique
      • Sable
      • Topaz
      • Tracer
      • Villager
    • Mitsubishi
      • Eclipse
      • endeavor
      • Galant
      • Lancer
      • Mirage
      • Montero
      • Montero Sport
      • outlander
      • Precis
    • Nissan
      • Versa
      • Armada
      • 200SX
      • 350Z
      • Altima
      • Frontier
      • Maxima
      • Murano
      • Pathfinder
      • Pickup
      • Quest
      • Rogue
      • Sentra
      • Stanza
      • TITAN
      • Xterra
    • Oldsmobile
      • Achieva
      • Alero
      • Aurora
      • Bravada
      • Cutlass
      • Cutlass Ciera
      • Cutlass Supreme
      • Delt 88
      • Eighty-Eight
      • Intrigue
      • LSS
      • Nighty-eight
      • Ninety Eight
      • Regency
      • Silhouette
      • Toronado
    • Plymouth
      • GTX
      • Satellite
      • Breeze
      • Duster
      • Grand Voyager
      • Neon
      • Voyager
    • Pontiac
      • 1000
      • 6000
      • Aztek
      • Bonneville
      • Firebird
      • Grand AM
      • Grand Prix
      • Montana
      • sunbird
      • Vibe
    • Porsche
    • SAAB
      • 9-7X
    • SCION
      • XB Fuel Filler Neck Parts
    • Subaru
      • Forester
      • Impreza
      • Legacy
      • Outback
      • SVX
    • Saturn
      • Outlook
      • L Series
      • L100
      • L200
      • L300
      • LS
      • LS1
      • LS2
      • LW1
      • LW2
      • LW200
      • LW300
      • Relay
      • S Series
      • SC
      • SC1
      • SC2
      • SL
      • SL1
      • SL2
      • SW1
      • SW2
      • VUE
    • Suzuki
      • Aerio
      • Esteem
      • Grand Vitara
      • Sidekick
      • Swift
      • Vitara
      • XL-7
    • Toyota
      • 4Runner
      • Avalon
      • Camry
      • Celica
      • Corolla
      • Echo
      • Highlander
      • Matrix
      • Pickup
      • Previa
      • Prius
      • RAV4
      • Sequoia
      • Sienna
      • Solara
      • Tacoma
      • Tercel
      • Tundra
      • Venza
    • Volkswagen
    • Volvo
  • Fuel Line Fittings - Connectors - Adapters
    • Show All
    • -AN Hose Fittings
      • -AN Reducer Fittings
      • AN To NPT Adapter Fittings
      • -AN Fuel Line
      • -4 AN Fuel Line Fittings
      • -6 AN Fuel Line Fittings
      • -8AN Fuel Line Fittings
      • -10AN Fuel Line Fittings
      • -12AN Fuel Line Fittings
      • -16AN Fuel Line Fittings
      • Carb Fuel Inlet Connectors - Adapters
      • Weld In Fuel Tank Bungs and Fittings
    • Fuel Line Check Valve
    • Fuel Line Bulkhead Fittings
    • Threaded Fuel Line Connectors - SAE
    • Threaded Fuel Line Connector - METRIC
    • Flexible Rubber and Nylon Fuel Line
    • Bundy Quick Connect Fuel Line Fittings
    • Male Fuel Hose Quick Connectors - FuelFlex
    • Compression Fittings & Adapters Fuel Line
    • Male To Female Fuel Line Adapters
    • Fuel Line Reducers
    • Fuel Pump - Pressure Repair Kits
  • 1) Service Body / Flatbed Filler Neck Parts
    • Show All
    • Diesel Fuel Neck
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Gasoline Neck
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Diesel Exhaust Fluid / Urea DEF
  • 2) Fuel Filler Hose (Straight)
    • Show All
    • 3/16" or 5mm Diameter
    • 1/4" or 6mm Diameter
    • 5/16" or 8mm Diameter
    • 3/8" or 10mm Diameter
    • 7/16" or 11mm Diameter
    • 1/2" or 13mm Diameter
    • 5/8" or 16mm Diameter
    • 3/4" or 19mm Diameter
    • 1" or 25mm Diameter
    • 1-1/8" or 29mm Diameter
    • 1-1/4" or 32mm Diameter
    • 1-3/8 or 35mm Diameter
    • 1-1/2" or 38mm Diameter
    • 1-5/8" or 41mm Diameter
    • 1-3/4 or 44mm Diameter
    • 1-7/8" or 48mm Diameter
    • 2" or 51mm Diameter
    • 2-1/4 or 57mm Diameter
    • 2-1/2" or 63.5mm Diameter
    • 3" Fuel Fill Hose
  • 3) Fuel Filler Hose (Elbows)
    • Show All
    • 30 Degree Fuel / Diesel Elbows
      • 1" or 25 mm I.D.
      • 1-1/8" or 29mm I.D.
      • 1-1/4" or 32mm I.D
      • 1-3/8" or 35mm I.D
      • 1-1/2" or 38mm I.D.
      • 1-5/8" or 41mm I.D
      • 1-3/4" or 44mm I.D.
      • 1-7/8" or 48mm I.D
      • 2" or 51mm I.D.
      • 2-1/4" or 57mm I.D.
      • 2-1/2" or 64mm I.D
    • 45 Degree Fuel / Diesel Elbows
      • 1/4" Fuel Line 45° Elbows .25" I.D.
      • 5/16" Fuel Line Elbows - 8mm I.D.
      • 3/8" Fuel Line Elbows - 10mm I.D.
      • 1" or 25mm Diameter
      • 1-1/8" or 29mm I.D
      • 1-1/4" or 32mm Diameter
      • 1-3/8" Or 35mm Inner Diameter
      • 1-1/2" or 38mm Diameter
      • 1-5/8" Or 41mm Inner Diameter.
      • 1-3/4" or 44mm Diameter
      • 1-7/8" or 48mm I.D.
      • 2" or 51mm Diameter
      • 2-1/4" or 57mm Diameter
      • 2-1/2" or 64mm Diameter
      • 3" or 76mm Diameter
    • 60° Degree Fuel/ Diesel Elbows
      • 1" or 25 mm I.D.
      • 1-1/8" or 29mm I.D
      • 1-1/4" or 32mm I.D.
      • 1-3/8" or 35mm I.D
      • 1-1/2" or 38mm I.D.
      • 1-5/8" or 41mm I.D.
      • 1-3/4" or 44mm I.D
      • 1-7/8" or 48mm I.D.
      • 2" or 51mm I.D.
      • 2-1/4" or 57mm I.D.
      • 2-1/2" or 64mm I.D.
    • 90 Degree Fuel / Diesel Elbows
      • 1/4" Fuel Line 90° Elbows - .25 I.D.
      • 5/16" Fuel Line Elbows - 8mm
      • 3/8" Fuel Line Elbows - 10mm
      • 1/2" or 13mm Diameter
      • 5/8" Or 16mm Diameter
      • 3/4" or 19mm Inner Diameter
      • 1" or 25mm Diameter
      • 1-1/8" or 29mm Inner Diameter
      • 1-1/4" or 32mm Diameter
      • 1-3/8" or 35mm Inner Diameter
      • 1-1/2" or 38mm Diameter
      • 1-5/8" Or 41mm Inner Diameter.
      • 1-3/4" or 44mm Diameter
      • 1-7/8" Or 48mm Inner Diameter
      • 2" or 51mm Diameter
      • 2-1/4" or 57mm Diameter
      • 2-1/2" or 64mm Diameter
      • 3" or 76mm Diameter
    • 135° Degree Fuel / Diesel Elbows
    • 180° Degree Fuel Hose - Lines - Pipes
  • 4) Filler Neck Buckets / Housings / Doors
    • Show All
    • Fuel Doors (Universal)
    • 21 & 22 Degree Angle
    • 30 Degree Angle
    • 42 Degree Angle
    • 53° Degree Angle
    • 55° Degree Angle
    • 57° Degree Angle
  • 5) Fuel Filler Hose Couplers / Joiners
    • Show All
    • 1/4" OR 6mm
    • 5/16" or 8mm Joiner
    • 3/8 or 10mm
    • 1/2" or 13mm
    • 5/8" or 16mm
    • 3/4" or 19mm
    • 1" or 25mm
    • 1-1/8" or 29mm
    • 1-1/4" or 32mm
    • 1-3/8" or 35mm
    • 1-1/2" or 38mm
    • 1-5/8" or 41mm
    • 1-3/4" or 44mm
    • 1-7/8" or 48mm
    • 2" or 51mm
    • 2-1/4" or 57mm
    • 2-1/2" or 64mm
  • 6) HOSE REDUCERS
    • Show All
    • 5/16" to 1/4" Fuel Hose Line Reducer
    • 3/8" to 1/4" Fuel Line Reducer
    • 3/8" to 5/16" Fuel Hose Reducer
    • 1/2" to 3/8" Reducer
    • 1/2" To 5/8" Reducer
    • 1/2" to 3/4" Reducer
    • 3/8" to 5/8" Reducer
    • 5/8" to 3/4" Reducer
    • 3/4" to 1" Reducer
    • Starting @ 1" OD Small End
      • 1-1/4" To 1" Fuel ID Reducer.
      • 1" to 1-1/8" or 25-29mm Reducer
      • 1" to 1-1/4" Reducer
      • 1" to 1-3/8" or 25-35mm Reducer
      • 1" to 1-1/2" or 25-38mm
    • Starting @ 1-1/8" OD Small End.
      • 1-1/4" To 1-1/8" Rubber Hose End ID Reducer.
    • Starting @ 1-1/4" OD Small End
      • 1-1/2" to 1-1/4" Hose ID Reducer.
      • 1-1/4" to 1-3/8" or 32-35mm Reducer
      • 1-1/4" to 1-1/2" or 32-38mm Reducer
      • 1-1/4" to 1-5/8" or 32-41mm Reducer
      • 1-1/4" to 1-3/4" or 32-44mm Reducer
    • Starting @ 1-3/8" OD Small End.
      • 1-3/8" TO 1-1/2" or 35-38mm Reducer
      • 1-3/8" TO 1-5/8" or 35-41mm Reducer
      • 1-3/8" TO 1-3/4" or 35-44mm Reducer
      • 1-3/8" TO 1-7/8" or 35-48mm Reducer
    • Starting @ 1-1/2" OD Small End
      • 1-3/4" to 1-1/2" Inner Diameter Reducer.
      • 1-1/2" to 1-5/8" or 38-41mm Reducer
      • 1-1/2" to 1-3/4" or 38-44mm Reducer
      • 1-1/2" to 1-7/8" or 38-48mm Reducer
      • 1-1/2" to 2" or 38-51mm Reducer
    • Starting @ 1-5/8" OD Small End
      • Starting @ 1-5/8" OD Small End
    • Starting @ 1-3/4" OD Small End
      • 2" to 1-3/4" Hose ID Reducer.
      • 1-3/4" to 1-7/8" or 44mm-48mm Reducer
      • 1-3/4" to 2" or 44-51mm Reducer
      • 1-3/4" to 2-1/4" or 44-57mm Reducer
      • 1-3/4" to 2-1/2" or 44-64mm Reducer
    • Starting @ 1-7/8" OD Small End
      • 2" To 1-7/8" ID Reducer
      • 1-7/8" to 2-1/4" or 48-57mm Reducer
    • Starting @ 2" OD Small End
      • 2-1/4" to 2" Hose ID Reducer.
      • 2" to 2-1/4" or 51-57mm Reducer
      • 2" to 2-3/8" or 51-60mm Reducer
      • 2" to 2-1/2" or 51-64mm Reducer
    • Starting @ 2-1/4" OD Small End
  • 7) Billet Fuel Filler Necks
    • Show All
    • 1" or 25mm Diameter
    • 1-5/8" or 41mm Diameter
    • 1-1/2" or 38mm Diameter
    • 2" or 51mm Diameter
    • 2-1/2" or 64mm Diameter
    • 3" Inch or 76mm Billet Filler Neck
  • 8) Twist On - Bayonet Filler Necks & Caps
    • Show All
    • Hydraulic Necks Caps And Strainer Screens
    • Turtle Caps
    • 1.75 Diameter
    • 2.28" Diameter
      • Filler Neck
      • Filler Cap
      • Strainer / Screen
    • 2.50" Diameter
      • Filler Cap
      • Filler Neck
      • Strainer / Screen
    • 2.59" Diameter
      • Filler Cap
      • Filler Neck
    • 3.00" Diameter
      • Filler Cap
      • Filler Neck
    • 4 Inch O.D Bayonet Weld In Filler Neck
    • 4.25" Diameter
      • Filler Cap
      • Filler Neck
      • Strainer Screen
  • 9) Radiator / Coolant Filler Neck
    • Show All
    • Coolant Expansion Tank
    • In Line Radiator Hose Fill Necks & Adapters
      • 1-1/4" 32mm O.D. inline Radiator Hose Filler Neck
      • 1-1/2" 38mm O.D. Inline Radiator Hose Filler Neck
      • 1-3/4" / 44mm O.D. Inline Radiator Hose Adapters
    • Cold Rolled Steel Radiator Type Filler Neck
    • Aluminum Radiator Type Filler Neck
    • Brass Radiator Type Filler Neck
    • Stainless Steel Radiator Type Filler Neck
    • Radiator Cap
      • 4 Psi Radiator Cap
      • 7 lbs Radiator Cap
      • 10 lbs Radiator Cap
      • 13 lbs Radiator Cap
      • 15 lbs Radiator Cap
      • 16 lbs Radiator Cap
      • 18 lbs Radiator Cap
      • 20 lbs Radiator Cap
      • Non Pressurized
  • 10) Weld In Filler Necks
    • Show All
    • 1.50" Or 38mm Filler Necks
    • 1-5/8" or 41mm O.D. Filler Necks & Caps
    • 1.75 or 44mm O.D. Filler Necks
    • 2" or 51mm O.D. Filler Necks
      • Cap
      • Filler Neck
    • 2-1/4" or 57mm Filler Necks
      • Filler Neck
    • 2.28" or 58mm Filler Necks & Caps
      • Filler Cap
      • Filler Neck
    • 2.38 O.D. (Or 2NPT)
    • 2.50 or 64mm Filler Necks & Caps
      • Filler Cap
      • Filler Neck
      • Strainer/Screen
    • 2.59" or 66mm Filler Necks & Caps
      • Cap
      • Filler Neck
    • 3" or 76mm Filler Necks
      • 3" Inch Filler Neck
      • Cap
    • 4" Or 101.8mm Filler Neck
    • 4.25" or 108mm Diameter
      • Filler Neck
      • Filler Cap
      • Strainer/ Screen
    • 4.31" or 84mm Diameter
      • Cap
      • Filler Neck
  • 11) Flip Top Fuel Filler Caps
  • 12) Flush Mount Gas Caps
    • Show All
    • 3-1/8" Outer Diameter - 200 Series Aero Caps
    • 3-3/4" Outer Diameter - 300 Series Aero Caps
    • 4-3/4" Outer Diameter - 400 Series Aero Caps
    • 5" Outer Diameter - 600 Series Aero Caps
    • 5-1/2" Outer Diameter - 500 Series Fuel Caps
  • 13) Fuel Cell Parts Filler Cap Parts
  • 14) DEF Hose - Fittings
    • Show All
    • DEF Filler Necks
    • 1" DEF Hose
    • 1/2" Inch DEF Hose
    • 3/4" DEF Hose
    • 1-1/4" DEF Hose
    • 1-1/2 DEF Hose.
    • 2" DEF Hose.
    • Reducers - Urea DEF Diesel Exhaust Fluid Hose
    • Hose Connectors - DEF Diesel Emissions Fluid
      • UREA BSPP BRITISH STANDARD PIPE FITTINGS
      • NPT UREA DEF FITTINGS
    • Housings - Filler Neck Protector / Bezels
    • UREA DEF FITTINGS
  • 15) Filler Neck Grommet - Seal
    • Show All
    • Universal Filler Neck Mounting Grommets
    • AMC Fuel Filler Neck Grommets
    • Chevrolet / GMC
    • Dodge, Chrysler, Plymouth
    • Ford, Lincoln, Mercury
    • John Deere Tractor Filler Neck Grommets & Seals
  • 16) Threaded Necks Bungs And Caps.
  • 17) Marine Deck Filler
    • Show All
    • 1-1/2" OD Angled Marine Deck Fill
    • 2" Inch Angled Marine Deck Fill
    • 1-1/2" Inch OD Marine Deck Filler
    • 2"inch OD Marine Deck Filler
  • 19) Universal Fuel Filler Neck
    • Show All
    • Gas Engine
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-3/8" OD Main
      • 1-1/2" OD Main
      • 1-5/8" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Diesel Engine
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
  • 20) Auxiliary Diesel Transfer Tank Adapter Kits
    • Show All
    • 1988-2010 GM Auxiliary Transfer Tank Install Kit
    • 2011-2018 Chevy Aux Transfer Tank Adapter Kit
    • 1998-2012 Dodge Ram 2500 3500 Auxiliary Tank Kit
    • 2013-2018 Dodge Ram Diesel Transfer Tank Install
    • 1999-17 Ford F250 F350 Auxiliary Tank Install Kit
  • 21) Bolt On Fuel Filler Neck And Cap
  • A) Fuel Tank Parts - Gas and Diesel
    • Show All
    • NPT Pipe Fittings / Connectors / Adapters
      • 1/8" NPT Pipe Fittings - Adapters - Connectors
      • 1/4" NPT Pipe Fittings - Adapters - Connectors
      • 3/8 NPT Pipe Fittings - Adapters - Connectors
      • 2" NPT Pipe Fittings - Adapters - Connectors
    • Universal Fuel Level Sensor / Sending Unit
      • Floatless Fuel Sending Units - All Ohms
      • 240-33 Ohm Sending Unit - Universal
      • 10-180 Ohm Sending Unit - VDO Universal
      • 0-30 Ohm Sending Unit - Early GM Before 1964
      • 0-90 Ohm Sending Unit - Late GM 1965 & Up
      • 73-10 Ohm Fuel Sending Unit Ford and Mopar
    • Bolt On Fuel Tank Inlet Hose Fittings
    • Barbed Hose Fittings
    • Weld In Bung
    • Fuel Tank Rollover Safety Vent Valve
    • Gas Tank Breather / Fuel Tank Vent (External)
    • Fuel Tank Pickup Tubes & Parts
    • Anti Spitback Back / Wellback Check Valve's
    • Fuel Pump
  • B) Metal Tubing
  • C) Semi & Tractor Trailer Diesel Fuel Caps
    • Show All
    • Borg Warner Diesel Fuel Caps For Steel Tanks 2.38"
    • Freightliner - Diesel Tank Caps = 2.38" ID 2NPT
    • Freightliner - Quarter Turn Diesel Caps
    • Volvo Diesel Fuel Cap (low Sulfur) 2.88 I.D.
    • Volvo, Mack, International Diesel Caps 3.375" ID
    • Kenworth - Fill Necks - Fuel Caps = 3.375" ID
    • Peterbilt - Fill Necks & Fuel Caps = 4.35 ID"
  • Fuel Tanks For Sale
    • Show All
    • Dodge Auxiliary & Extra Large Diesel Fuel Tanks
    • Ford Auxiliary And XXL Diesel Fuel Transfer Tanks
    • GM Auxiliary Extra Large Diesel Fuel Tanks
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  • FACTORY REPLACEMENT FUEL FILLER NECKS
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        • Fuel Filler Neck - Gas Tank Pipe - Tube - Hose
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        • Fuel Filler Neck - Gas Tank Pipe Tube Hose
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        • Galant Fuel Filler Neck Gas Tank PIpe
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    • Porsche
    • SAAB
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    • SCION
      • XB Fuel Filler Neck Parts
    • Subaru
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  • Fuel Line Fittings - Connectors - Adapters
    • -AN Hose Fittings
      • -AN Reducer Fittings
      • AN To NPT Adapter Fittings
      • -AN Fuel Line
      • -4 AN Fuel Line Fittings
      • -6 AN Fuel Line Fittings
      • -8AN Fuel Line Fittings
      • -10AN Fuel Line Fittings
      • -12AN Fuel Line Fittings
      • -16AN Fuel Line Fittings
      • Carb Fuel Inlet Connectors - Adapters
      • Weld In Fuel Tank Bungs and Fittings
    • Fuel Line Check Valve
    • Fuel Line Bulkhead Fittings
    • Threaded Fuel Line Connectors - SAE
    • Threaded Fuel Line Connector - METRIC
    • Flexible Rubber and Nylon Fuel Line
    • Bundy Quick Connect Fuel Line Fittings
    • Male Fuel Hose Quick Connectors - FuelFlex
    • Compression Fittings & Adapters Fuel Line
    • Male To Female Fuel Line Adapters
    • Fuel Line Reducers
    • Fuel Pump - Pressure Repair Kits
  • 1) Service Body / Flatbed Filler Neck Parts
    • Diesel Fuel Neck
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Gasoline Neck
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Diesel Exhaust Fluid / Urea DEF
  • 2) Fuel Filler Hose (Straight)
    • 3/16" or 5mm Diameter
    • 1/4" or 6mm Diameter
    • 5/16" or 8mm Diameter
    • 3/8" or 10mm Diameter
    • 7/16" or 11mm Diameter
    • 1/2" or 13mm Diameter
    • 5/8" or 16mm Diameter
    • 3/4" or 19mm Diameter
    • 1" or 25mm Diameter
    • 1-1/8" or 29mm Diameter
    • 1-1/4" or 32mm Diameter
    • 1-3/8 or 35mm Diameter
    • 1-1/2" or 38mm Diameter
    • 1-5/8" or 41mm Diameter
    • 1-3/4 or 44mm Diameter
    • 1-7/8" or 48mm Diameter
    • 2" or 51mm Diameter
    • 2-1/4 or 57mm Diameter
    • 2-1/2" or 63.5mm Diameter
    • 3" Fuel Fill Hose
  • 3) Fuel Filler Hose (Elbows)
    • 30 Degree Fuel / Diesel Elbows
      • 1" or 25 mm I.D.
      • 1-1/8" or 29mm I.D.
      • 1-1/4" or 32mm I.D
      • 1-3/8" or 35mm I.D
      • 1-1/2" or 38mm I.D.
      • 1-5/8" or 41mm I.D
      • 1-3/4" or 44mm I.D.
      • 1-7/8" or 48mm I.D
      • 2" or 51mm I.D.
      • 2-1/4" or 57mm I.D.
      • 2-1/2" or 64mm I.D
    • 45 Degree Fuel / Diesel Elbows
      • 1/4" Fuel Line 45° Elbows .25" I.D.
      • 5/16" Fuel Line Elbows - 8mm I.D.
      • 3/8" Fuel Line Elbows - 10mm I.D.
      • 1" or 25mm Diameter
      • 1-1/8" or 29mm I.D
      • 1-1/4" or 32mm Diameter
      • 1-3/8" Or 35mm Inner Diameter
      • 1-1/2" or 38mm Diameter
      • 1-5/8" Or 41mm Inner Diameter.
      • 1-3/4" or 44mm Diameter
      • 1-7/8" or 48mm I.D.
      • 2" or 51mm Diameter
      • 2-1/4" or 57mm Diameter
      • 2-1/2" or 64mm Diameter
      • 3" or 76mm Diameter
    • 60° Degree Fuel/ Diesel Elbows
      • 1" or 25 mm I.D.
      • 1-1/8" or 29mm I.D
      • 1-1/4" or 32mm I.D.
      • 1-3/8" or 35mm I.D
      • 1-1/2" or 38mm I.D.
      • 1-5/8" or 41mm I.D.
      • 1-3/4" or 44mm I.D
      • 1-7/8" or 48mm I.D.
      • 2" or 51mm I.D.
      • 2-1/4" or 57mm I.D.
      • 2-1/2" or 64mm I.D.
    • 90 Degree Fuel / Diesel Elbows
      • 1/4" Fuel Line 90° Elbows - .25 I.D.
      • 5/16" Fuel Line Elbows - 8mm
      • 3/8" Fuel Line Elbows - 10mm
      • 1/2" or 13mm Diameter
      • 5/8" Or 16mm Diameter
      • 3/4" or 19mm Inner Diameter
      • 1" or 25mm Diameter
      • 1-1/8" or 29mm Inner Diameter
      • 1-1/4" or 32mm Diameter
      • 1-3/8" or 35mm Inner Diameter
      • 1-1/2" or 38mm Diameter
      • 1-5/8" Or 41mm Inner Diameter.
      • 1-3/4" or 44mm Diameter
      • 1-7/8" Or 48mm Inner Diameter
      • 2" or 51mm Diameter
      • 2-1/4" or 57mm Diameter
      • 2-1/2" or 64mm Diameter
      • 3" or 76mm Diameter
    • 135° Degree Fuel / Diesel Elbows
    • 180° Degree Fuel Hose - Lines - Pipes
  • 4) Filler Neck Buckets / Housings / Doors
    • Fuel Doors (Universal)
    • 21 & 22 Degree Angle
    • 30 Degree Angle
    • 42 Degree Angle
    • 53° Degree Angle
    • 55° Degree Angle
    • 57° Degree Angle
  • 5) Fuel Filler Hose Couplers / Joiners
    • 1/4" OR 6mm
    • 5/16" or 8mm Joiner
    • 3/8 or 10mm
    • 1/2" or 13mm
    • 5/8" or 16mm
    • 3/4" or 19mm
    • 1" or 25mm
    • 1-1/8" or 29mm
    • 1-1/4" or 32mm
    • 1-3/8" or 35mm
    • 1-1/2" or 38mm
    • 1-5/8" or 41mm
    • 1-3/4" or 44mm
    • 1-7/8" or 48mm
    • 2" or 51mm
    • 2-1/4" or 57mm
    • 2-1/2" or 64mm
  • 6) HOSE REDUCERS
    • 5/16" to 1/4" Fuel Hose Line Reducer
    • 3/8" to 1/4" Fuel Line Reducer
    • 3/8" to 5/16" Fuel Hose Reducer
    • 1/2" to 3/8" Reducer
    • 1/2" To 5/8" Reducer
    • 1/2" to 3/4" Reducer
    • 3/8" to 5/8" Reducer
    • 5/8" to 3/4" Reducer
    • 3/4" to 1" Reducer
    • Starting @ 1" OD Small End
      • 1-1/4" To 1" Fuel ID Reducer.
      • 1" to 1-1/8" or 25-29mm Reducer
      • 1" to 1-1/4" Reducer
      • 1" to 1-3/8" or 25-35mm Reducer
      • 1" to 1-1/2" or 25-38mm
    • Starting @ 1-1/8" OD Small End.
      • 1-1/4" To 1-1/8" Rubber Hose End ID Reducer.
    • Starting @ 1-1/4" OD Small End
      • 1-1/2" to 1-1/4" Hose ID Reducer.
      • 1-1/4" to 1-3/8" or 32-35mm Reducer
      • 1-1/4" to 1-1/2" or 32-38mm Reducer
      • 1-1/4" to 1-5/8" or 32-41mm Reducer
      • 1-1/4" to 1-3/4" or 32-44mm Reducer
    • Starting @ 1-3/8" OD Small End.
      • 1-3/8" TO 1-1/2" or 35-38mm Reducer
      • 1-3/8" TO 1-5/8" or 35-41mm Reducer
      • 1-3/8" TO 1-3/4" or 35-44mm Reducer
      • 1-3/8" TO 1-7/8" or 35-48mm Reducer
    • Starting @ 1-1/2" OD Small End
      • 1-3/4" to 1-1/2" Inner Diameter Reducer.
      • 1-1/2" to 1-5/8" or 38-41mm Reducer
      • 1-1/2" to 1-3/4" or 38-44mm Reducer
      • 1-1/2" to 1-7/8" or 38-48mm Reducer
      • 1-1/2" to 2" or 38-51mm Reducer
    • Starting @ 1-5/8" OD Small End
      • Starting @ 1-5/8" OD Small End
    • Starting @ 1-3/4" OD Small End
      • 2" to 1-3/4" Hose ID Reducer.
      • 1-3/4" to 1-7/8" or 44mm-48mm Reducer
      • 1-3/4" to 2" or 44-51mm Reducer
      • 1-3/4" to 2-1/4" or 44-57mm Reducer
      • 1-3/4" to 2-1/2" or 44-64mm Reducer
    • Starting @ 1-7/8" OD Small End
      • 2" To 1-7/8" ID Reducer
      • 1-7/8" to 2-1/4" or 48-57mm Reducer
    • Starting @ 2" OD Small End
      • 2-1/4" to 2" Hose ID Reducer.
      • 2" to 2-1/4" or 51-57mm Reducer
      • 2" to 2-3/8" or 51-60mm Reducer
      • 2" to 2-1/2" or 51-64mm Reducer
    • Starting @ 2-1/4" OD Small End
  • 7) Billet Fuel Filler Necks
    • 1" or 25mm Diameter
    • 1-5/8" or 41mm Diameter
    • 1-1/2" or 38mm Diameter
    • 2" or 51mm Diameter
    • 2-1/2" or 64mm Diameter
    • 3" Inch or 76mm Billet Filler Neck
  • 8) Twist On - Bayonet Filler Necks & Caps
    • Hydraulic Necks Caps And Strainer Screens
    • Turtle Caps
    • 1.75 Diameter
    • 2.28" Diameter
      • Filler Neck
      • Filler Cap
      • Strainer / Screen
    • 2.50" Diameter
      • Filler Cap
      • Filler Neck
      • Strainer / Screen
    • 2.59" Diameter
      • Filler Cap
      • Filler Neck
    • 3.00" Diameter
      • Filler Cap
      • Filler Neck
    • 4 Inch O.D Bayonet Weld In Filler Neck
    • 4.25" Diameter
      • Filler Cap
      • Filler Neck
      • Strainer Screen
  • 9) Radiator / Coolant Filler Neck
    • Coolant Expansion Tank
    • In Line Radiator Hose Fill Necks & Adapters
      • 1-1/4" 32mm O.D. inline Radiator Hose Filler Neck
      • 1-1/2" 38mm O.D. Inline Radiator Hose Filler Neck
      • 1-3/4" / 44mm O.D. Inline Radiator Hose Adapters
    • Cold Rolled Steel Radiator Type Filler Neck
    • Aluminum Radiator Type Filler Neck
    • Brass Radiator Type Filler Neck
    • Stainless Steel Radiator Type Filler Neck
    • Radiator Cap
      • 4 Psi Radiator Cap
      • 7 lbs Radiator Cap
      • 10 lbs Radiator Cap
      • 13 lbs Radiator Cap
      • 15 lbs Radiator Cap
      • 16 lbs Radiator Cap
      • 18 lbs Radiator Cap
      • 20 lbs Radiator Cap
      • Non Pressurized
  • 10) Weld In Filler Necks
    • 1.50" Or 38mm Filler Necks
    • 1-5/8" or 41mm O.D. Filler Necks & Caps
    • 1.75 or 44mm O.D. Filler Necks
    • 2" or 51mm O.D. Filler Necks
      • Cap
      • Filler Neck
    • 2-1/4" or 57mm Filler Necks
      • Filler Neck
    • 2.28" or 58mm Filler Necks & Caps
      • Filler Cap
      • Filler Neck
    • 2.38 O.D. (Or 2NPT)
    • 2.50 or 64mm Filler Necks & Caps
      • Filler Cap
      • Filler Neck
      • Strainer/Screen
    • 2.59" or 66mm Filler Necks & Caps
      • Cap
      • Filler Neck
    • 3" or 76mm Filler Necks
      • 3" Inch Filler Neck
      • Cap
    • 4" Or 101.8mm Filler Neck
    • 4.25" or 108mm Diameter
      • Filler Neck
      • Filler Cap
      • Strainer/ Screen
    • 4.31" or 84mm Diameter
      • Cap
      • Filler Neck
  • 11) Flip Top Fuel Filler Caps
  • 12) Flush Mount Gas Caps
    • 3-1/8" Outer Diameter - 200 Series Aero Caps
    • 3-3/4" Outer Diameter - 300 Series Aero Caps
    • 4-3/4" Outer Diameter - 400 Series Aero Caps
    • 5" Outer Diameter - 600 Series Aero Caps
    • 5-1/2" Outer Diameter - 500 Series Fuel Caps
  • 13) Fuel Cell Parts Filler Cap Parts
  • 14) DEF Hose - Fittings
    • DEF Filler Necks
    • 1" DEF Hose
    • 1/2" Inch DEF Hose
    • 3/4" DEF Hose
    • 1-1/4" DEF Hose
    • 1-1/2 DEF Hose.
    • 2" DEF Hose.
    • Reducers - Urea DEF Diesel Exhaust Fluid Hose
    • Hose Connectors - DEF Diesel Emissions Fluid
      • UREA BSPP BRITISH STANDARD PIPE FITTINGS
      • NPT UREA DEF FITTINGS
    • Housings - Filler Neck Protector / Bezels
    • UREA DEF FITTINGS
  • 15) Filler Neck Grommet - Seal
    • Universal Filler Neck Mounting Grommets
    • AMC Fuel Filler Neck Grommets
    • Chevrolet / GMC
    • Dodge, Chrysler, Plymouth
    • Ford, Lincoln, Mercury
    • John Deere Tractor Filler Neck Grommets & Seals
  • 16) Threaded Necks Bungs And Caps.
  • 17) Marine Deck Filler
    • 1-1/2" OD Angled Marine Deck Fill
    • 2" Inch Angled Marine Deck Fill
    • 1-1/2" Inch OD Marine Deck Filler
    • 2"inch OD Marine Deck Filler
  • 19) Universal Fuel Filler Neck
    • Gas Engine
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-3/8" OD Main
      • 1-1/2" OD Main
      • 1-5/8" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Diesel Engine
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
  • 20) Auxiliary Diesel Transfer Tank Adapter Kits
    • 1988-2010 GM Auxiliary Transfer Tank Install Kit
    • 2011-2018 Chevy Aux Transfer Tank Adapter Kit
    • 1998-2012 Dodge Ram 2500 3500 Auxiliary Tank Kit
    • 2013-2018 Dodge Ram Diesel Transfer Tank Install
    • 1999-17 Ford F250 F350 Auxiliary Tank Install Kit
  • 21) Bolt On Fuel Filler Neck And Cap
  • A) Fuel Tank Parts - Gas and Diesel
    • NPT Pipe Fittings / Connectors / Adapters
      • 1/8" NPT Pipe Fittings - Adapters - Connectors
      • 1/4" NPT Pipe Fittings - Adapters - Connectors
      • 3/8 NPT Pipe Fittings - Adapters - Connectors
      • 2" NPT Pipe Fittings - Adapters - Connectors
    • Universal Fuel Level Sensor / Sending Unit
      • Floatless Fuel Sending Units - All Ohms
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      • 10-180 Ohm Sending Unit - VDO Universal
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      • 0-90 Ohm Sending Unit - Late GM 1965 & Up
      • 73-10 Ohm Fuel Sending Unit Ford and Mopar
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    • Fuel Tank Pickup Tubes & Parts
    • Anti Spitback Back / Wellback Check Valve's
    • Fuel Pump
  • B) Metal Tubing
  • C) Semi & Tractor Trailer Diesel Fuel Caps
    • Borg Warner Diesel Fuel Caps For Steel Tanks 2.38"
    • Freightliner - Diesel Tank Caps = 2.38" ID 2NPT
    • Freightliner - Quarter Turn Diesel Caps
    • Volvo Diesel Fuel Cap (low Sulfur) 2.88 I.D.
    • Volvo, Mack, International Diesel Caps 3.375" ID
    • Kenworth - Fill Necks - Fuel Caps = 3.375" ID
    • Peterbilt - Fill Necks & Fuel Caps = 4.35 ID"
  • Fuel Tanks For Sale
    • Dodge Auxiliary & Extra Large Diesel Fuel Tanks
    • Ford Auxiliary And XXL Diesel Fuel Transfer Tanks
    • GM Auxiliary Extra Large Diesel Fuel Tanks
  • View us on Ebay!
Resources
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Borg Warner Diesel Fuel Caps For Steel Tanks 2.38"

Filler Neck Supply Now Stocking Diesel Fuel Caps for Steel Borg Warner Diesel Fuel Tanks! Locking And Non Locking Fuel Function Vented, Thermal & Pressure relief. Inner Diameter is 2-3/8" 

INFORMATION:

*All caps have female threads unless stated otherwise,

*Non vented caps must be used with vented tanks.

*You can use vented caps with both vented or non vented tanks

Categories

  • FACTORY REPLACEMENT FUEL FILLER NECKS
    • Acura
      • 1.6 EL
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      • Legend
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    • Kaiser
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        • Fuel Filler Neck - Gas Tank Pipe - Tube - Hose
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        • 1999 2000 Civic Fuel Filler Neck Gas Tank Pipe
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      • XB Fuel Filler Neck Parts
    • Subaru
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  • Fuel Line Fittings - Connectors - Adapters
    • -AN Hose Fittings
      • -AN Reducer Fittings
      • AN To NPT Adapter Fittings
      • -AN Fuel Line
      • -4 AN Fuel Line Fittings
      • -6 AN Fuel Line Fittings
      • -8AN Fuel Line Fittings
      • -10AN Fuel Line Fittings
      • -12AN Fuel Line Fittings
      • -16AN Fuel Line Fittings
      • Carb Fuel Inlet Connectors - Adapters
      • Weld In Fuel Tank Bungs and Fittings
    • Fuel Line Check Valve
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    • Threaded Fuel Line Connector - METRIC
    • Flexible Rubber and Nylon Fuel Line
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    • Male Fuel Hose Quick Connectors - FuelFlex
    • Compression Fittings & Adapters Fuel Line
    • Male To Female Fuel Line Adapters
    • Fuel Line Reducers
    • Fuel Pump - Pressure Repair Kits
  • 1) Service Body / Flatbed Filler Neck Parts
    • Diesel Fuel Neck
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Gasoline Neck
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Diesel Exhaust Fluid / Urea DEF
  • 2) Fuel Filler Hose (Straight)
    • 3/16" or 5mm Diameter
    • 1/4" or 6mm Diameter
    • 5/16" or 8mm Diameter
    • 3/8" or 10mm Diameter
    • 7/16" or 11mm Diameter
    • 1/2" or 13mm Diameter
    • 5/8" or 16mm Diameter
    • 3/4" or 19mm Diameter
    • 1" or 25mm Diameter
    • 1-1/8" or 29mm Diameter
    • 1-1/4" or 32mm Diameter
    • 1-3/8 or 35mm Diameter
    • 1-1/2" or 38mm Diameter
    • 1-5/8" or 41mm Diameter
    • 1-3/4 or 44mm Diameter
    • 1-7/8" or 48mm Diameter
    • 2" or 51mm Diameter
    • 2-1/4 or 57mm Diameter
    • 2-1/2" or 63.5mm Diameter
    • 3" Fuel Fill Hose
  • 3) Fuel Filler Hose (Elbows)
    • 30 Degree Fuel / Diesel Elbows
      • 1" or 25 mm I.D.
      • 1-1/8" or 29mm I.D.
      • 1-1/4" or 32mm I.D
      • 1-3/8" or 35mm I.D
      • 1-1/2" or 38mm I.D.
      • 1-5/8" or 41mm I.D
      • 1-3/4" or 44mm I.D.
      • 1-7/8" or 48mm I.D
      • 2" or 51mm I.D.
      • 2-1/4" or 57mm I.D.
      • 2-1/2" or 64mm I.D
    • 45 Degree Fuel / Diesel Elbows
      • 1/4" Fuel Line 45° Elbows .25" I.D.
      • 5/16" Fuel Line Elbows - 8mm I.D.
      • 3/8" Fuel Line Elbows - 10mm I.D.
      • 1" or 25mm Diameter
      • 1-1/8" or 29mm I.D
      • 1-1/4" or 32mm Diameter
      • 1-3/8" Or 35mm Inner Diameter
      • 1-1/2" or 38mm Diameter
      • 1-5/8" Or 41mm Inner Diameter.
      • 1-3/4" or 44mm Diameter
      • 1-7/8" or 48mm I.D.
      • 2" or 51mm Diameter
      • 2-1/4" or 57mm Diameter
      • 2-1/2" or 64mm Diameter
      • 3" or 76mm Diameter
    • 60° Degree Fuel/ Diesel Elbows
      • 1" or 25 mm I.D.
      • 1-1/8" or 29mm I.D
      • 1-1/4" or 32mm I.D.
      • 1-3/8" or 35mm I.D
      • 1-1/2" or 38mm I.D.
      • 1-5/8" or 41mm I.D.
      • 1-3/4" or 44mm I.D
      • 1-7/8" or 48mm I.D.
      • 2" or 51mm I.D.
      • 2-1/4" or 57mm I.D.
      • 2-1/2" or 64mm I.D.
    • 90 Degree Fuel / Diesel Elbows
      • 1/4" Fuel Line 90° Elbows - .25 I.D.
      • 5/16" Fuel Line Elbows - 8mm
      • 3/8" Fuel Line Elbows - 10mm
      • 1/2" or 13mm Diameter
      • 5/8" Or 16mm Diameter
      • 3/4" or 19mm Inner Diameter
      • 1" or 25mm Diameter
      • 1-1/8" or 29mm Inner Diameter
      • 1-1/4" or 32mm Diameter
      • 1-3/8" or 35mm Inner Diameter
      • 1-1/2" or 38mm Diameter
      • 1-5/8" Or 41mm Inner Diameter.
      • 1-3/4" or 44mm Diameter
      • 1-7/8" Or 48mm Inner Diameter
      • 2" or 51mm Diameter
      • 2-1/4" or 57mm Diameter
      • 2-1/2" or 64mm Diameter
      • 3" or 76mm Diameter
    • 135° Degree Fuel / Diesel Elbows
    • 180° Degree Fuel Hose - Lines - Pipes
  • 4) Filler Neck Buckets / Housings / Doors
    • Fuel Doors (Universal)
    • 21 & 22 Degree Angle
    • 30 Degree Angle
    • 42 Degree Angle
    • 53° Degree Angle
    • 55° Degree Angle
    • 57° Degree Angle
  • 5) Fuel Filler Hose Couplers / Joiners
    • 1/4" OR 6mm
    • 5/16" or 8mm Joiner
    • 3/8 or 10mm
    • 1/2" or 13mm
    • 5/8" or 16mm
    • 3/4" or 19mm
    • 1" or 25mm
    • 1-1/8" or 29mm
    • 1-1/4" or 32mm
    • 1-3/8" or 35mm
    • 1-1/2" or 38mm
    • 1-5/8" or 41mm
    • 1-3/4" or 44mm
    • 1-7/8" or 48mm
    • 2" or 51mm
    • 2-1/4" or 57mm
    • 2-1/2" or 64mm
  • 6) HOSE REDUCERS
    • 5/16" to 1/4" Fuel Hose Line Reducer
    • 3/8" to 1/4" Fuel Line Reducer
    • 3/8" to 5/16" Fuel Hose Reducer
    • 1/2" to 3/8" Reducer
    • 1/2" To 5/8" Reducer
    • 1/2" to 3/4" Reducer
    • 3/8" to 5/8" Reducer
    • 5/8" to 3/4" Reducer
    • 3/4" to 1" Reducer
    • Starting @ 1" OD Small End
      • 1-1/4" To 1" Fuel ID Reducer.
      • 1" to 1-1/8" or 25-29mm Reducer
      • 1" to 1-1/4" Reducer
      • 1" to 1-3/8" or 25-35mm Reducer
      • 1" to 1-1/2" or 25-38mm
    • Starting @ 1-1/8" OD Small End.
      • 1-1/4" To 1-1/8" Rubber Hose End ID Reducer.
    • Starting @ 1-1/4" OD Small End
      • 1-1/2" to 1-1/4" Hose ID Reducer.
      • 1-1/4" to 1-3/8" or 32-35mm Reducer
      • 1-1/4" to 1-1/2" or 32-38mm Reducer
      • 1-1/4" to 1-5/8" or 32-41mm Reducer
      • 1-1/4" to 1-3/4" or 32-44mm Reducer
    • Starting @ 1-3/8" OD Small End.
      • 1-3/8" TO 1-1/2" or 35-38mm Reducer
      • 1-3/8" TO 1-5/8" or 35-41mm Reducer
      • 1-3/8" TO 1-3/4" or 35-44mm Reducer
      • 1-3/8" TO 1-7/8" or 35-48mm Reducer
    • Starting @ 1-1/2" OD Small End
      • 1-3/4" to 1-1/2" Inner Diameter Reducer.
      • 1-1/2" to 1-5/8" or 38-41mm Reducer
      • 1-1/2" to 1-3/4" or 38-44mm Reducer
      • 1-1/2" to 1-7/8" or 38-48mm Reducer
      • 1-1/2" to 2" or 38-51mm Reducer
    • Starting @ 1-5/8" OD Small End
      • Starting @ 1-5/8" OD Small End
    • Starting @ 1-3/4" OD Small End
      • 2" to 1-3/4" Hose ID Reducer.
      • 1-3/4" to 1-7/8" or 44mm-48mm Reducer
      • 1-3/4" to 2" or 44-51mm Reducer
      • 1-3/4" to 2-1/4" or 44-57mm Reducer
      • 1-3/4" to 2-1/2" or 44-64mm Reducer
    • Starting @ 1-7/8" OD Small End
      • 2" To 1-7/8" ID Reducer
      • 1-7/8" to 2-1/4" or 48-57mm Reducer
    • Starting @ 2" OD Small End
      • 2-1/4" to 2" Hose ID Reducer.
      • 2" to 2-1/4" or 51-57mm Reducer
      • 2" to 2-3/8" or 51-60mm Reducer
      • 2" to 2-1/2" or 51-64mm Reducer
    • Starting @ 2-1/4" OD Small End
  • 7) Billet Fuel Filler Necks
    • 1" or 25mm Diameter
    • 1-5/8" or 41mm Diameter
    • 1-1/2" or 38mm Diameter
    • 2" or 51mm Diameter
    • 2-1/2" or 64mm Diameter
    • 3" Inch or 76mm Billet Filler Neck
  • 8) Twist On - Bayonet Filler Necks & Caps
    • Hydraulic Necks Caps And Strainer Screens
    • Turtle Caps
    • 1.75 Diameter
    • 2.28" Diameter
      • Filler Neck
      • Filler Cap
      • Strainer / Screen
    • 2.50" Diameter
      • Filler Cap
      • Filler Neck
      • Strainer / Screen
    • 2.59" Diameter
      • Filler Cap
      • Filler Neck
    • 3.00" Diameter
      • Filler Cap
      • Filler Neck
    • 4 Inch O.D Bayonet Weld In Filler Neck
    • 4.25" Diameter
      • Filler Cap
      • Filler Neck
      • Strainer Screen
  • 9) Radiator / Coolant Filler Neck
    • Coolant Expansion Tank
    • In Line Radiator Hose Fill Necks & Adapters
      • 1-1/4" 32mm O.D. inline Radiator Hose Filler Neck
      • 1-1/2" 38mm O.D. Inline Radiator Hose Filler Neck
      • 1-3/4" / 44mm O.D. Inline Radiator Hose Adapters
    • Cold Rolled Steel Radiator Type Filler Neck
    • Aluminum Radiator Type Filler Neck
    • Brass Radiator Type Filler Neck
    • Stainless Steel Radiator Type Filler Neck
    • Radiator Cap
      • 4 Psi Radiator Cap
      • 7 lbs Radiator Cap
      • 10 lbs Radiator Cap
      • 13 lbs Radiator Cap
      • 15 lbs Radiator Cap
      • 16 lbs Radiator Cap
      • 18 lbs Radiator Cap
      • 20 lbs Radiator Cap
      • Non Pressurized
  • 10) Weld In Filler Necks
    • 1.50" Or 38mm Filler Necks
    • 1-5/8" or 41mm O.D. Filler Necks & Caps
    • 1.75 or 44mm O.D. Filler Necks
    • 2" or 51mm O.D. Filler Necks
      • Cap
      • Filler Neck
    • 2-1/4" or 57mm Filler Necks
      • Filler Neck
    • 2.28" or 58mm Filler Necks & Caps
      • Filler Cap
      • Filler Neck
    • 2.38 O.D. (Or 2NPT)
    • 2.50 or 64mm Filler Necks & Caps
      • Filler Cap
      • Filler Neck
      • Strainer/Screen
    • 2.59" or 66mm Filler Necks & Caps
      • Cap
      • Filler Neck
    • 3" or 76mm Filler Necks
      • 3" Inch Filler Neck
      • Cap
    • 4" Or 101.8mm Filler Neck
    • 4.25" or 108mm Diameter
      • Filler Neck
      • Filler Cap
      • Strainer/ Screen
    • 4.31" or 84mm Diameter
      • Cap
      • Filler Neck
  • 11) Flip Top Fuel Filler Caps
  • 12) Flush Mount Gas Caps
    • 3-1/8" Outer Diameter - 200 Series Aero Caps
    • 3-3/4" Outer Diameter - 300 Series Aero Caps
    • 4-3/4" Outer Diameter - 400 Series Aero Caps
    • 5" Outer Diameter - 600 Series Aero Caps
    • 5-1/2" Outer Diameter - 500 Series Fuel Caps
  • 13) Fuel Cell Parts Filler Cap Parts
  • 14) DEF Hose - Fittings
    • DEF Filler Necks
    • 1" DEF Hose
    • 1/2" Inch DEF Hose
    • 3/4" DEF Hose
    • 1-1/4" DEF Hose
    • 1-1/2 DEF Hose.
    • 2" DEF Hose.
    • Reducers - Urea DEF Diesel Exhaust Fluid Hose
    • Hose Connectors - DEF Diesel Emissions Fluid
      • UREA BSPP BRITISH STANDARD PIPE FITTINGS
      • NPT UREA DEF FITTINGS
    • Housings - Filler Neck Protector / Bezels
    • UREA DEF FITTINGS
  • 15) Filler Neck Grommet - Seal
    • Universal Filler Neck Mounting Grommets
    • AMC Fuel Filler Neck Grommets
    • Chevrolet / GMC
    • Dodge, Chrysler, Plymouth
    • Ford, Lincoln, Mercury
    • John Deere Tractor Filler Neck Grommets & Seals
  • 16) Threaded Necks Bungs And Caps.
  • 17) Marine Deck Filler
    • 1-1/2" OD Angled Marine Deck Fill
    • 2" Inch Angled Marine Deck Fill
    • 1-1/2" Inch OD Marine Deck Filler
    • 2"inch OD Marine Deck Filler
  • 19) Universal Fuel Filler Neck
    • Gas Engine
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-3/8" OD Main
      • 1-1/2" OD Main
      • 1-5/8" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
    • Diesel Engine
      • 1" OD Main
      • 1-1/8" OD Main
      • 1-1/4" OD Main
      • 1-1/2" OD Main
      • 1-3/4" OD Main
      • 2" OD Main
      • 2-1/4" OD Main
      • 2-1/2" OD Main
  • 20) Auxiliary Diesel Transfer Tank Adapter Kits
    • 1988-2010 GM Auxiliary Transfer Tank Install Kit
    • 2011-2018 Chevy Aux Transfer Tank Adapter Kit
    • 1998-2012 Dodge Ram 2500 3500 Auxiliary Tank Kit
    • 2013-2018 Dodge Ram Diesel Transfer Tank Install
    • 1999-17 Ford F250 F350 Auxiliary Tank Install Kit
  • 21) Bolt On Fuel Filler Neck And Cap
  • A) Fuel Tank Parts - Gas and Diesel
    • NPT Pipe Fittings / Connectors / Adapters
      • 1/8" NPT Pipe Fittings - Adapters - Connectors
      • 1/4" NPT Pipe Fittings - Adapters - Connectors
      • 3/8 NPT Pipe Fittings - Adapters - Connectors
      • 2" NPT Pipe Fittings - Adapters - Connectors
    • Universal Fuel Level Sensor / Sending Unit
      • Floatless Fuel Sending Units - All Ohms
      • 240-33 Ohm Sending Unit - Universal
      • 10-180 Ohm Sending Unit - VDO Universal
      • 0-30 Ohm Sending Unit - Early GM Before 1964
      • 0-90 Ohm Sending Unit - Late GM 1965 & Up
      • 73-10 Ohm Fuel Sending Unit Ford and Mopar
    • Bolt On Fuel Tank Inlet Hose Fittings
    • Barbed Hose Fittings
    • Weld In Bung
    • Fuel Tank Rollover Safety Vent Valve
    • Gas Tank Breather / Fuel Tank Vent (External)
    • Fuel Tank Pickup Tubes & Parts
    • Anti Spitback Back / Wellback Check Valve's
    • Fuel Pump
  • B) Metal Tubing
  • C) Semi & Tractor Trailer Diesel Fuel Caps
    • Borg Warner Diesel Fuel Caps For Steel Tanks 2.38"
    • Freightliner - Diesel Tank Caps = 2.38" ID 2NPT
    • Freightliner - Quarter Turn Diesel Caps
    • Volvo Diesel Fuel Cap (low Sulfur) 2.88 I.D.
    • Volvo, Mack, International Diesel Caps 3.375" ID
    • Kenworth - Fill Necks - Fuel Caps = 3.375" ID
    • Peterbilt - Fill Necks & Fuel Caps = 4.35 ID"
  • Fuel Tanks For Sale
    • Dodge Auxiliary & Extra Large Diesel Fuel Tanks
    • Ford Auxiliary And XXL Diesel Fuel Transfer Tanks
    • GM Auxiliary Extra Large Diesel Fuel Tanks
  • View us on Ebay!
Resources
www.junkmycar.com
  • Home
  • C) Semi & Tractor Trailer Diesel Fuel Caps
  • Borg Warner Diesel Fuel Caps For Steel Tanks 2.38"
  • 31803 gates stant 10603 diesel fuel cap 31823

    2NPT Female Threaded Saddle Tank Cap (Locking 31823 & Non Locking 31803)

    Part # NPTCAP

    (Please See Details Before Ordering)

    $16.95
    Choose Options Details
  • 1-1/4" - 190° Thermal Relief Plug Assembly 11.5"NPTF W / 1.25" FTAV59, FTA-V-59, 9001859, 90-01859

    1-1/4" - 190° Thermal Relief Plug Assembly 11.5"NPTF W / 1.25"

    Part # FTAV59

    (Please See Details Before Ordering)

    $29.50
    Add to Cart Details
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