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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 309

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

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Performance Fittings 45 Degree Barb Fitting 1/2" Pipe to 5/8" Hose Black

Part Number: RAU-22908BLK

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Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/8 in. NPT, 1/4 in. NPT, Each

Part Number: RAU-1011418BLK

5.0 out of 5 stars ( 1 )

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Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/8 in. NPT, 3/8 in. NPT, Each

Part Number: RAU-1013818BLK

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Fitting, Coupler, AN to AN, 90 Degree, Aluminum, Black Anodized, -6 AN, -6 AN, Swivel, Each

Part Number: RAU-9341-6BLK

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Performance Fittings Female to Male Reducer -8 to -6 AN Black

Part Number: RAU-894-08-06BLK

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Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/2 in. NPT, 1/8 in. NPT, Each

Part Number: RAU-1011218BLK

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Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/2 in. NPT, 3/8 in. NPT, Each

Part Number: RAU-1011238BLK

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Performance Fittings 45 Degree Barb Fitting 3/8" Pipe to 1/2" Hose Black

Part Number: RAU-22907BLK

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Performance Fittings Straight AN Flare to Pipe -8 to 1/2"

Part Number: RAU-2008

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

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

Part Number: RAU-192-8BLK

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Fitting, Union, AN to AN, 45 Degree, Aluminum, Black Anodized, -8 AN, -8 AN, Each

Part Number: RAU-9458BLK

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/2 in. NPT, 1/4 in. NPT, Each

Part Number: RAU-1011214BLK

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Performance Fittings Female to Male Reducer -12 to -10 AN

Part Number: RAU-894-12-10

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Fittings and Adapter, 1/8 in. NPT to 1/4 in. Hose Barb, Straight, Aluminum, Black, Each

Part Number: RAU-22105BLK

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Performance Fittings 90 Degree Male Elbow -10 to 3/8"

Part Number: RAU-2016BLK

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Fittings and Adapters, Union Fittings, Straight, Aluminum, Black Anodized, -6 AN Male AN, -6 AN Male AN, Each

Part Number: RAU-2052BLK

5.0 out of 5 stars ( 1 )

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Performance Fittings Straight AN Flare to Pipe -16 to 3/4"

Part Number: RAU-2015BLK

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Performance Fittings 90 Degree Male Elbow -8 to 1/2"

Part Number: RAU-2038

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Performance Fittings Straight AN Flare to Pipe -12 to 1"

Part Number: RAU-2014BLK

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Fittings and Adapter, 1/4 in. NPT, 3/8 in. Hose Barb, Straight, Aluminum, Black, Each

Part Number: RAU-22106BLK

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Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/8 in. NPT, 3/4 in. NPT, Each

Part Number: RAU-10113418BLK

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Performance Fittings Straight AN Flare to Pipe -6 to 1/2"

Part Number: RAU-2013BLK

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Fittings and Adapters, AN Flare to Pipe Fittings, 90 degree, Aluminum, Black Anodized, -6 AN Male AN, 1/2 in. NPT Male NPT, Each

Part Number: RAU-2625BLK

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Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/4 in. NPT, 3/8 in. NPT, Each

Part Number: RAU-1013814BLK

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