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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 544

Fittings and Adapters, Adapter, Straight, Brass, Zinc Color, 3/8 in.-24 Female Inverted Flare, M12 x 1.0 Male Bubble Flare, Each

Part Number: AGX-BLF-33B

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Fittings and Adapters, Brass Street Elbow Fittings, Threaded, 45 degree, Brass, Zinc Color, 1/8 in. NPT Male NPT, 1/8 in. NPT Female NPT, Each

Part Number: AGX-PTF-69B

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Fittings and Adapters, AGS Brass Adapters, Straight, 3/8 in. -24 Female Inverted Flare to 9/16 in. -18 Male Inverted Flare, Each

Part Number: AGX-BLF-28B

5.0 out of 5 stars ( 1 )

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Fittings and Adapters, Brass Street Elbow Fittings, Threaded, 90 degree, Brass, Zinc Color, 1/8 in. NPT Male NPT, 1/8 in. NPT Female NPT, Each

Part Number: AGX-PTF-46B

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Fittings and Adapters, AGS Brass Fuel Connector Fittings, Straight, 5/16 Hose Barb to 1/2 in. -20 Male Inverted Flare, Each

Part Number: AGX-FHF-15B

5.0 out of 5 stars ( 1 )

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Fittings and Adapters, Brass Street Elbow Fittings, Threaded, 90 degree, Brass, Zinc Color, 1/4 in. NPT Male NPT, 1/4 in. NPT Female NPT, Each

Part Number: AGX-PTF-47B

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Fittings and Adapters, AGS Brass Bushings, Straight, 1/2 in. Male NPT to 3/8 in. -18 Female NPT, Each

Part Number: AGX-PTF-20B

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Fittings and Adapters, Reducer, Straight, Brass, Zinc Color, 7/16 in.-24 Female Inverted Flare, 3/8 in.-24 Male Inverted Flare, Each

Part Number: AGX-BLF-23B

5.0 out of 5 stars ( 1 )

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Fittings and Adapters, Reducer, Straight, Brass, Zinc Color, 1/2 in.-20 Female Inverted Flare, 9/16 in.-18 Male Inverted Flare, Each

Part Number: AGX-BLF-21B

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Fittings and Adapters, Reducer, Straight, Brass, Zinc Color, 1/2 in.-20 Male Inverted Flare, 3/8 in.-24 Female Inverted Flare, Each

Part Number: AGX-BLF-20B

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Fittings and Adapters, AGS Brass Nipple Fittings, Straight, 1/8 in. Male NPT to 1/8 in. Male NPT, Each

Part Number: AGX-PTF-23B

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Fittings and Adapters, AGS Brass Adapters, 90 Degree, 3/8 in. -24 Female Inverted Flare to 1/8 in. -27 Male NPT, Each

Part Number: AGX-BLF-56B

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Fittings and Adapters, Coupler, Straight, Brass, Zinc Color, 1/8 in.-27 Female NPT Ends, Each

Part Number: AGX-PTU-10B

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Fittings and Adapters, AGS Brass Adapters, Straight, 1/4 in. Male NPT to 3/8 in. Female NPT, Each

Part Number: AGX-PTF-54B

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Fittings and Adapters, Adapter, Straight, Brass, Zinc Color, 3/8 in.-24 Female Inverted Flare, M11 x 1.5 Male Bubble Flare, Each

Part Number: AGX-BLF-32B

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Fittings and Adapters, AGS Brass Push-On Hose Fittings, Straight, 5/16 Hose Barb to 1/2 in.-20 in. Male Threads Each

Part Number: AGX-PHS-13B

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Fittings and Adapters, AGS Brass Nipple Fittings, Straight, 3/8 in. Male NPT to 3/8 in. Male NPT, Each

Part Number: AGX-PTF-37B

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Fittings, Straight, 1/4 in. NPT, 1/4 in. NPT, Female Threads, Brass, Natural, Each

Part Number: CUA-AA-3647

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

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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Fittings and Adapters, Brass Street Elbow Fittings, Threaded, 90 degree, Brass, Zinc Color, 3/8 in. NPT Male NPT, 3/8 in. NPT Female NPT, Each

Part Number: AGX-PTF-48B

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Fittings and Adapters, AGS Brass Adapters, Straight, 1/2 in.-20 Female Inverted Flare to 1/4 in. Male NPT, Each

Part Number: AGX-BLF-69B

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Fittings and Adapters, Reducer, Straight, Brass, Zinc Color, 7/16 in.-24 Female Inverted Flare, 9/16 in.-18 Male Inverted Flare, Each

Part Number: AGX-BLF-25B

5.0 out of 5 stars ( 1 )

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Fuel Elbow 90, Br, 3/8 (1/4 NPTM), Bag

Part Number: AGX-FHF-16B

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Fittings and Adapters, AGS Brass Adapters, Straight, 7/16 in.-24 Female Inverted Flare to 1/8 in.-27 Male NPT, Each

Part Number: AGX-BLF-67B

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Fittings and Adapters, Adapter, 90 degree, Brass, Zinc Color, 7/16 in.-24 Female Inverted Flare, 1/8 in.-27 NPT Male NPT, Each

Part Number: AGX-BLF-66B

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