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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 34

Fitting, Adapter, NPT to Hose Barb, Straight, Steel, Zinc, 1/2 in. NPT, 3/4 in. Hose Barb, Each

Part Number: RNB-56360

5.0 out of 5 stars ( 6 )

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Fitting, Adapter, NPT to Hose Barb, Straight, Steel, Zinc, 1/2 in. NPT, 5/8 in. Hose Barb, Each

Part Number: RNB-56356

4.43 out of 5 stars ( 7 )

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Fitting, Adapter, NPT to Hose Barb, 90 Degree, Brass, Natural, 1/4 in. NPT, 3/8 in. Hose Barb, Each

Part Number: RNB-785-430

4.0 out of 5 stars ( 4 )

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Fitting, Adapter, Inverted Flare to Hose Barb, Straight, Brass, Natural, 5/16 in. Inverted Flare, 5/16 in. Hose Barb, Each

Part Number: RNB-785-402

3.0 out of 5 stars ( 2 )

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Fitting, Adapter, NPT to Hose Barb, Straight, Steel, Natural, 3/8 in. NPT, 5/8 in. Hose Barb, Each

Part Number: RNB-56152

4.0 out of 5 stars ( 8 )

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Fitting, Adapter, NPT to Hose Barb, Straight, Steel, Zinc, 3/8 in. NPT, 5/8 in. Hose Barb, Each

Part Number: RNB-500-001-1

3.0 out of 5 stars ( 2 )

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Fitting, Coupler, Union, NPT to NPT, 90 Degree, Brass, Natural, 1/8 in. NPT, 1/8 in. NPT, Each

Part Number: RNB-787-044

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Fitting, Heater Hose Connection, Straight, Steel, Natural, 5/8 in. Hose Barb to 3/8 in.-18 Male NPT, Each

Part Number: RNB-56358

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Fitting, Fuel Line Adapter, Straight, 1/8 in. NPT Male Threads, 3/8 in. Hose Barb, Each

Part Number: RNB-787-018

5.0 out of 5 stars ( 2 )

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Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 3/8 in. NPT, 3/8 in. Hose Barb, Each

Part Number: RNB-785-406

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Fitting, Coupler, Union, NPT to NPT, 45 Degree, Brass, Natural, 1/8 in. NPT, 1/8 in. NPT, Each

Part Number: RNB-785-428

5.0 out of 5 stars ( 2 )

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Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/8 in. NPT, 1/4 in. Hose Barb, Each

Part Number: RNB-785-410

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Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 3/8 in. Hose Barb, Each

Part Number: RNB-785-416

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Fitting, Adapter, Straight Cut to Hose Barb, Straight, Plastic, Black, 1 1/2 in., 1 1/4 in., Kit

Part Number: RNB-10691

4.0 out of 5 stars ( 5 )

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Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 5/16 in. Hose Barb, Each

Part Number: RNB-785-414

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Fitting, Fuel Line Adapter, Straight, 7/16 in. Inverted Flare Male Threads, 1/4 in. Hose Barb, Each

Part Number: RNB-785-400

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Fitting, Coupler, Union, NPT to NPT, Straight, Brass, Natural, 1/4 in. NPT, 1/4 in. NPT, Each

Part Number: RNB-785-082

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Fuel Line Repair Kit, Male Thread, M16 x 1.5, 3/8 Nipple, 4 in. length, Steel, Each

Part Number: RNB-800-170

5.0 out of 5 stars ( 3 )

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Metal Heater Hose Connector 5/8 X 5/8

Part Number: RNB-800-403HP

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Fuel Line Adapter, Straight, Polished, 14mm Male Spring Lock, 5/16 in. Hose Barb, Ford, Lincoln, Mercury, Each

Part Number: RNB-800-131

5.0 out of 5 stars ( 1 )

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Fitting, Reducer, NPT to NPT, Straight, Brass, Natural, 3/8 in. NPT, 1/4 in. NPT, Each

Part Number: RNB-785-440

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Fitting, Fuel Line Adapter, Straight, M16 x 1.5 Female Threads, 3/8 in. Nipple, Each

Part Number: RNB-800-078

5.0 out of 5 stars ( 1 )

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Fitting, Fuel Line Adapter, Straight, M14 x 1.5 Female Threads, 5/16 in. Nipple, Each

Part Number: RNB-800-079

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Fitting, Coupler, Union, Hose Barb to Hose Barb, Straight, Carbon Steel, Natural, 3/8 in. Hose Barb, 3/8 in. Hose Barb, Pair

Part Number: RNB-800-011

3.0 out of 5 stars ( 2 )

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Fittings, Fuel Line Adapters, Straight, Black, 5/16 in. Female Quick-connect, 6mm Hose Barb, Pair

Part Number: RNB-800-188

5.0 out of 5 stars ( 1 )

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