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AN & NPT Fittings & Adapters, Fuel Line Fittings, Hose Couplers & more

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AN & NPT Fittings & Adapters, Fuel Line Fittings, Hose Couplers & more

No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the...

No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the automotive fittings you need right here, including a wide range of AN, NPT, fuel line and hose fittings, along with adapters and reducers to go from one to another, and so much more. Our huge selection means you can assemble the complex custom plumbing system your competition vehicle needs, restore your classic car with period-accurate components, or just keep your daily driver running right. Take a look at our options for AN Hoses, to go along with your fittings.

No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the automotive fittings you need right here, including a wide range of AN, NPT, fuel line and hose fittings, along with adapters and reducers to go from one to another, and so much more. Our huge selection means you can assemble the complex custom plumbing system your competition vehicle needs, restore your classic car with period-accurate components, or just keep your daily driver running right. Take a look at our options for AN Hoses, to go along with your fittings.

Top Brands


Starting now, you can shop from all the best brands of automotive fittings on the market, including Russell, Earl’s, Aeroquip, and Fragola, plus our dependable and budget-friendly Summit Racing brand.

Individual Parts

Results 1 - 25 of 1293

Fitting, Adapter,Hose Bard to Straight Cut O-Ring, 90 Degrees, Aluminum, Natural, -6 AN O-Ring, 3/8 in. Hose Barb, Fuel Cell Return, Kit

Part Number: EAR-166025ERL

4.25 out of 5 stars ( 4 )

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Fittings, Fuel Rail Fitting, Aluminum, Black, Straight, 3/8 in., -6 AN, Each

Part Number: RUS-640853

4.85 out of 5 stars ( 20 )

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Fitting and Adapter, Go Fuel Adapter Fitting, Straight, Aluminum, Black, -6 AN Female AN, 3/8 in. Hose Barb, Each

Part Number: FIF-55010

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Fitting, Fuel Line Adapter, Straight, 3/8 in. Female Quick-connect, -6 AN Male Threads, Gauge Port, Black Anodized, Each

Part Number: EAR-AT992066ERL

4.75 out of 5 stars ( 4 )

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Fittings, Fuel Rail Fittings, Aluminum, Black, TPI, One -6 AN to M14 x 1.5 O-ring, One -6 AN to M16 x 1.5 O-ring, Pair

Part Number: SUM-220009B

5.0 out of 5 stars ( 3 )

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Fitting, Adapter, Fuel Rail Type, Straight, Billet Aluminum, Black, 12mm Male Spring Lock, -6 AN Male Thread

Part Number: AEI-15123

5.0 out of 5 stars ( 2 )

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Fitting, Straight, Adapter, -6 AN Male to GM Factory Fuel Line Quick-Connect, 3/4 in. O-Ring Male Port Plug, Aluminum, Black Anodized, Each

Part Number: HLY-534-211

4.5 out of 5 stars ( 2 )

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Fittings and Adapters, AN Fuel Fittings, Straight, Swivel, Aluminum, Black Anodized, -6 AN Male AN, -6 AN Female AN, 1/8 in. NPT Gauge Port, Each

Part Number: RAU-192-6BLK

Not Yet Reviewed

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Fuel Line Adapter Fittings, Straight, 3/8 in. Female Quick-connect, 3/8 in. Male Quick-connect, Aluminum, Black Anodized, Ford, Each

Part Number: NXO-00-01812

5.0 out of 5 stars ( 1 )

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Fitting, Adapter, Fuel Rail Type, Straight, Billet Aluminum, Black, 14mm Male Spring Lock, -8 AN Male Thread

Part Number: AEI-15125

5.0 out of 5 stars ( 1 )

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Fitting, Fuel Pressure Gauge, 1/2 in. Nipple to 1/2 in. Nipple, 1/8 in. Gauge Port, Aluminum, Polished, Each

Part Number: SUM-G1711

3.5 out of 5 stars ( 2 )

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Fitting, Fuel Pressure Take Off, Adapter, -6 AN Female to -6 AN Male, 1/8 in. NPT Gauge Port, Aluminum, Clear Anodized, Each

Part Number: SUM-220675C

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Fuel Rail Fitting, Push-On EFI, Adapter, -8 AN Male Threads, 3/8 in. Tube, Straight, Aluminum, Black Anodized, Each

Part Number: VPE-16882

5.0 out of 5 stars ( 1 )

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Fitting, Fuel Pressure Take Off, -8 AN Male to -8 AN Female, 1/8 in. NPT Gauge Port, Aluminum, Black, Each

Part Number: RUS-670353

5.0 out of 5 stars ( 5 )

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Fittings, Fuel Rail Fittings, Aluminum, Blue, TPI, One -6 AN to M14 x 1.5 O-ring, One -6 AN to M16 x 1.5 O-ring, Pair

Part Number: SUM-220009

5.0 out of 5 stars ( 2 )

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Fitting, Push-On EFI, Straight, Male -10 AN, Female Quick-Connect, Threaded Cap, 1/2 in., Black Anodized, Each

Part Number: EAR-751186ERL

Not Yet Reviewed

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Fitting, Fuel Line Adapter, Straight, 1/8 in. NPT Male Threads, 3/8 in. Hose Barb, Each

Part Number: RNB-787-018

5.0 out of 5 stars ( 2 )

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Fuel Line Adapter Fitting 3/8" to 5/16"

Part Number: TNK-IFA3856

Not Yet Reviewed

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Fitting, Adapter Fitting, Regulator To Fuel Rail, 3/8 in. NPT Swivel To -10AN O-ring Port, Each

Part Number: RUS-640543

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Fitting, Fuel Rail Fitting, Aluminum, Blue Anodized, Straight, 14mm, -6 AN, Each

Part Number: RUS-640900

2.0 out of 5 stars ( 3 )

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Fuel Pressure Gauge Fitting, 3/8" Line with Hose Fitting, Blue Anodized

Part Number: MOR-65360

4.6 out of 5 stars ( 5 )

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Fitting, EFI Adapter, Fuel Rail Fitting, Straight, Male -8 AN Flare to Female 3/8 in. Quick-Connect, Aluminum, Black Anodized, each

Part Number: VPE-16926

Not Yet Reviewed

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Fitting, Straight, Fuel Pump, -8 AN Male to 5/8 in.-18 UNF, with O-ring, Steel, Zinc, Each

Part Number: CRT-156-386

5.0 out of 5 stars ( 1 )

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Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black/Silver Anodized, -6 AN, 3/8 in., Swivel, Each

Part Number: RUS-639203

5.0 out of 5 stars ( 8 )

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