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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 130

Rigid Clamp, Br, 5/16 (1/8 NPTM), Bag

Part Number: AGX-CHF-12B

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Rigid Clamp, Br, 3/8 (3/8 NPTM), Bag

Part Number: AGX-CHF-18B

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Rigid Clamp, Br, 1/4 (3/8 NPTM), Bag

Part Number: AGX-CHF-17B

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Rigid Clamp, Br, 3/8 (1/8 NPTM), Bag

Part Number: AGX-CHF-15B

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Rigid Clamp, Br, 5/16 (1/4 NPTM), Bag

Part Number: AGX-CHF-14B

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Rigid Clamp, Br, 3/16 (1/8 NPTM), Bag

Part Number: AGX-CHF-10B

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Fittings and Adapters, AGS Brass Rigid Hose Clamp Fittings, Straight, 1/4 in. Hose Barb to 1/4 in. Male NPT, Each

Part Number: AGX-CHF-13B

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Rigid Clamp, Br, 1/4 (1/8 NPTM), Bag

Part Number: AGX-CHF-11B

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Air Hose Fittings, Hose Repair Kit, Brass, Natural Finish, 3/8 in. Air Hose, includes, Hose Clamps, Hose Splice, Hose Ends, Male Thread, Kit

Part Number: WMR-M479

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Nitrous Outlet Import Fuel Adapter Fitting Kit with Clamps- 4AN x 5/16" Barb x 5/16" Barb

Part Number: NXO-60-60020

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

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

Part Number: VPE-11216

4.59 out of 5 stars ( 17 )

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Fitting, 90 degree, Female -6 AN to 3/8 in. Hose Barb, Aluminum, Black Anodized, Each

Part Number: VPE-12026

4.8 out of 5 stars ( 5 )

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Fitting, Adapter, NPT to Hose Barb, 90 Degree, Aluminum, Black Anodized, 1/8 in. NPT, 1/4 in. Hose Barb, Each

Part Number: VPE-11230

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Fitting, Adapter, NPT to Hose Barb, 90 Degree, Aluminum, Black Anodized, 1/4 in. NPT, 3/8 in. Hose Barb, Each

Part Number: VPE-11231

5.0 out of 5 stars ( 2 )

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Fitting, 45 degree, Female -6 AN to 5/16 in. Hose Barb, Aluminum, Black Anodized, Each

Part Number: VPE-12015

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Fitting and Adapter, NPT to Nipple Fitting, 90 degree, 1/8 in. NPT Male NPT, 5/16 in. Hose Barb, Aluminum, Black, Each

Part Number: VPE-11236

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

Part Number: VPE-11205

5.0 out of 5 stars ( 1 )

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Temperature Sender Fitting, Brass, Heater Hose, Inlet/Outlet 5/8 in. Hose Barbs, Each

Part Number: ATM-2280

4.85 out of 5 stars ( 13 )

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Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Black Anodized, -12 AN, 1 in. Hose Barb, Each

Part Number: MEZ-WP12100S

5.0 out of 5 stars ( 2 )

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Fitting, Straight, Female -16 AN to 1 in. Hose Barb, Aluminum, Black Anodized, Each

Part Number: VPE-11268

5.0 out of 5 stars ( 1 )

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Fitting, Adapter, NPT to Hose Barb, 90 Degree, Aluminum, Black Anodized, 3/4 in., 3/4 in., Each

Part Number: VPE-11234

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Fitting, Straight, Female -20 AN to 1-1/2 in. Hose Barb, Aluminum, Black Anodized, Each

Part Number: VPE-11269

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Fitting and Adapter, NPT to Nipple Fitting, Straight, 1/16 in. NPT Male NPT, 1/4 in. Hose Barb, Aluminum, Black, Each

Part Number: VPE-11642F

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Fitting, Adapter, AN to Hose Barb, Straight, Aluminum, Black Anodized, -8 AN, 1/2 in. Hose Barb, Each

Part Number: VPE-11208

4.5 out of 5 stars ( 2 )

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Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Black Anodized, -8 AN, 5/8 in. Hose Barb, Each

Part Number: MEZ-WPM58S

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