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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 379

Fitting, Coupler, Union, NPT to NPT, 45 Degree, Steel, Black chrome, 1/8 in. NPT, 1/8 in. NPT, Each

Part Number: RUS-R70103B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Fittings and Adapters, Holley EFI, Replacement, Service Part, Adapter, Pro-Jection, -6 AN to 3/8 in. Hose Barb, Brass, Each

Part Number: HLY-9906-143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

BARB FITTING 5/16"X5/16" FOR FUEL INJECTION HOSE KIT

Part Number: MNP-12-0087

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Fitting, Pro Classic, Gauge Adapter, Straight, -6 AN Male to 3/8 in. NPT Male, 1/8 in. NPT Port, Aluminum, Black

Part Number: RUS-670063

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Pro Classic, Gauge Adapter, Straight, -6 AN to 3/8 in. NPT, Blue, Each

Part Number: RUS-670060

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Proflo Extreme 16AN Inlet Fitting Long 1.25" Straight Thread - Clear

Part Number: CVS-8016LCL

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Fitting, Pro Classic, Gauge Adapter, Straight, -8 AN Male to 3/8 in. NPT Male, 1/8 in. NPT Port, Aluminum, Black

Part Number: RUS-670083

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Proflo Extreme 16AN Inlet Fitting Long 1.25" Straight Thread - Black

Part Number: CVS-8016LBK

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

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

Part Number: FRA-481666-BL

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -3 AN, 1/8 in. NPT, Each

Part Number: FRA-482203-BL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -6 AN, 1/4 in. NPT, Each

Part Number: FRA-481606-BL

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Steel, Zinc, -3 AN, 1/8 in. NPT, Each

Part Number: FRA-581603

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -4 AN, 1/8 in. NPT, Each

Part Number: FRA-481604-BL

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black, -12 AN, 1 in. NPT, Each

Part Number: FRA-482219-BL

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Steel, Zinc, -3 AN, 1/8 in. NPT, Each

Part Number: FRA-582203

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -6 AN, 1/4 in. NPT, Swivel, Each

Part Number: FRA-499106-BL

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

Part Number: FRA-499366-BL

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -12 AN, 3/4 in. NPT, Each

Part Number: FRA-481612-BL

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -6 AN, M16 x 1.5, Each

Part Number: FRA-491963-BL

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -4 AN, 1/4 in. NPT, Each

Part Number: FRA-482244-BL

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -6 AN, 1/2 in. NPT, Each

Part Number: FRA-482268-BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -4 AN, 1/16 in. NPT, Each

Part Number: FRA-481602-BL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -12 AN, 1 in. NPT, Each

Part Number: FRA-481619-BL

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -8 AN, 1/2 in. NPT, Swivel, Each

Part Number: FRA-499188-BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 45 Degree, Steel, Zinc, -3 AN, 1/8 in. NPT, Each

Part Number: FRA-582303

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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