Summit Racing SpeedCard - learn how to get 10% back up to $100

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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 199

Fitting, Adapter, AN to Straight Cut O-ring, 90 Degree, Low Profile, Aluminum, Black Anodized, -6 AN, -6 AN, Swivel, Each

Part Number: DWK-6-02-0415-B

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Fitting, Adapter, AN to Straight Cut O-ring, 90 Degree, Low Profile, Aluminum, Black Anodized, -8 AN, -6 AN, Swivel, Each

Part Number: DWK-6-02-0419-B

5.0 out of 5 stars ( 1 )

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Fitting and Adapter, Straight, Aluminum, Black, -6 AN Male AN, -8 AN O-ring Male Straight Cut O-ring, Each

Part Number: DWK-6-02-0401-B

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8AN Flare Female Swivel to 8AN Flare Female Swivel, Anodized Matte Black

Part Number: DWK-6-02-0210-B

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Fitting and Adapter, Straight, Aluminum, Black, -8 AN Male AN, -6 AN O-ring Male Straight Cut O-ring, Each

Part Number: DWK-6-02-0405-B

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Fitting, Adapter, AN to Straight Cut O-ring, 90 Degree, Low Profile, Aluminum, Black Anodized, -10 AN, -8 AN, Swivel, Each

Part Number: DWK-6-02-0418-B

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

Part Number: DWK-6-02-0404

5.0 out of 5 stars ( 1 )

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6AN ORB Male to 5/16 Inch Male Barb Fitting (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0505-B

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8AN Male Flare to M16 X 1.5 Male Metric Adapter (Incl Crush Washer), Anodized Matte Black

Part Number: DWK-6-02-0619-B

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Fitting and Adapter, Straight, Aluminum, Black, 5/16 in. Hose Barb, -6 AN O-ring Male Straight Cut O-ring, Each

Part Number: DWK-6-02-0502-B

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90-Degree 1/8 Inch NPT Male to Female 1/8 Inch NPT, Anodized Matte Black

Part Number: DWK-6-02-0920-B

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Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Silver Anodized, -8 AN, M12 x 1.5, M18 x 1.5 Pair

Part Number: DWK-6-02-0102

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Silver Anodized, -6 AN, M14 x 1.5, Each

Part Number: DWK-6-02-0614

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

Part Number: DWK-6-02-0615

5.0 out of 5 stars ( 2 )

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6AN ORB Male to 5/16 Inch Male EFI Quick Connect Adapter (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0114-B

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Fitting, Adapter, -10 AN to -6 AN Straight Cut, Straight, Aluminum, Black Anodized, Each

Part Number: DWK-6-02-0409-B

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8AN ORB Male to 5/16 Inch Male Triple Barb Fitting (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0512-B

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

10AN ORB Male Swivel to 10AN Male Flare 90-Degree Fitting, Anodized Matte Black

Part Number: DWK-6-02-0412-B

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Fitting, Adapter, NPT to Hose Barb, Straight, Aluminum, Silver Anodized, -6 AN, 5/16 in. Hose Barb, Each

Part Number: DWK-6-02-0502

5.0 out of 5 stars ( 1 )

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6AN Female Flare Swivel to 5/16 Inch Single Hose Barb, Anodized Matte Black

Part Number: DWK-6-02-0520-B

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8AN Male Flare to M12 X 1.5 Male Metric Adapter (Incl Crush Washer), Anodized Matte Black

Part Number: DWK-6-02-0617-B

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Fitting, Adapter, NPT to Hose Barb, Straight, Aluminum, Silver Anodized, -8 AN, 3/8 in. Hose Barb, Each

Part Number: DWK-6-02-0507

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8AN ORB Male to 3/8 Inch Male EFI Quick Connect Adapter 180-Degree (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0116-B

5.0 out of 5 stars ( 1 )

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10AN ORB Male to 5/16 Inch Male Triple Barb Fitting (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0516-B

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Estimated Ship Date: Oct 13, 2025 if ordered today

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10AN ORB Male to 3/8 Inch Male Barb Fitting, Anodized DW Titanium

Part Number: DWK-6-02-0514

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Estimated Ship Date: Oct 13, 2025 if ordered today

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