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

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 - 12 of 12

Fitting and Adapter, 90 degree, Swivel, Aluminum, Black, -3 AN Female AN, -4 AN Male AN, Each

Part Number: NXO-00-01611

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Fitting, Coupler, Union, AN to AN, Straight, Aluminum, Black Anodized, -6 AN, -6 AN, Each

Part Number: NXO-00-01602

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Universal Fittings, 4AN Swivel x 6AN Expander Straight Fitting - Female/Male (BLACK)

Part Number: NXO-00-01607

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

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Estimated Ship Date: Aug 20, 2025 if ordered today

-4AN Female Swivel Coupler (Black)

Part Number: NXO-00-01604

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Fitting and Adapter, 90 degree, Swivel, Aluminum, Black, -6 AN Female AN, -6 AN Male AN, Each

Part Number: NXO-00-01613

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fitting and Adapter, 90 degree, Aluminum, Black, -3 AN Female AN, -3 AN Male AN, Swivel On Female End Only, Each

Part Number: NXO-00-01610

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Fitting and Adapter, Straight, Swivel, Aluminum, Black, -4 AN Male AN, -3 AN Female AN, Each

Part Number: NXO-00-01614

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Universal Fittings, 6AN x 4AN Union Reducer Fitting - Male/Male (BLACK)

Part Number: NXO-00-01605

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Fitting, Coupler, Union, AN to AN, Straight, Aluminum, Nickel Plated, -3 AN, -3 AN, Each

Part Number: NXO-00-01600-B

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Fitting, Coupler, Union, AN to AN, Straight, Aluminum, Nickel Plated, -4 AN, -4 AN, Each

Part Number: NXO-00-01601-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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4AN 90° Swivel (Black)

Part Number: NXO-00-01612

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

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Estimated Ship Date: Aug 20, 2025 if ordered today

Fitting, Reducer, AN to AN, Straight, Aluminum, Black Anodized, -3 AN, -4 AN, Swivel, Each

Part Number: NXO-00-01609

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