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.

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.

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Results 1 - 25 of 174

S.U.R.&R. Intake Cleaning Adapters SRRS-TOOL

Intake Cleaning Adapter, Kit

Part Number: URR-S-TOOL

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

Summit Racing™ Hose Fittings SUM-221108

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

Part Number: SUM-221108

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Astro Pneumatic Tool Company High-Flow 3-Way Air Swivels 3SB40

Fitting, Coupler, Union, NPT to NPT, 90 Degree/Straight, Aluminum/Steel, Blue, 1/4 in. NPT, 1/4 in. NPT, Swivel, 3-way, Each

Part Number: APT-3SB40

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Performance Tool Reducer Fittings M487

Fittings and Adapters, Reducer, 1/2 in. NPT Male, 3/8 in. NPT Female, Straight, Brass, Natural Finish, Each

Part Number: WMR-M487

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Performance Tool Reducer Fittings M482

Fittings and Adapters, Reducer, 3/8 in. NPT Female, 1/4 in. NPT Male, Straight, Brass, Natural Finish, Each

Part Number: WMR-M482

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Performance Tool Hose Repair Kits M477

Fittings and Adapters, Hose Repair Coupler, Hose Barb Ends, Straight, Brass, Natural Finish, 3.75 in. Long, for 3/8 in. Hose, Pair

Part Number: WMR-M477

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Fuel Line Repair Tools 800-170

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 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

OTC Oil Pressure Adapters 7219

Oil Pressure Adapter, Aluminum, Chevy, LS, Each

Part Number: OTC-7219

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Estimated Ship Date: Nov 11, 2025 if ordered today

OTC Tools Fittings and Adapters 9102

SPREADER W/ COUPLER

Part Number: OTC-9102

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

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Estimated Ship Date: Nov 11, 2025 if ordered today

S&G Tool Fittings and Adapters 33934

COMPRESSOR VALVE

Part Number: SNG-33934

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

OTC Tools Fittings and Adapters 8114

ADAPTER, MALE METRIC

Part Number: OTC-8114

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

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Estimated Ship Date: Nov 11, 2025 if ordered today

OTC Oil Pressure Adapters 7297

Oil Pressure Adapter, Aluminum, GM Gen IV and V Engines, Each

Part Number: OTC-7297

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

DeatschWerks Fuel Line Adapter Fittings 6-02-0130-B

Fitting, EFI Adapter, Straight, Female -6 AN to 5/16 in. Male Quick Connect, Aluminum, Black Anodized, Each

Part Number: DWK-6-02-0130-B

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

S.U.R.&R. Universal Quick-Connects SRRKP135

Fitting, Adapter, Hose Barb to Spring Lock, 90 Degree, Plastic, Black, 5/16 in., 5/16 in., Each

Part Number: URR-KP135

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

DeatschWerks Fuel Line Adapter Fittings 6-02-0123-B

8AN ORB Male to 5/16 Inch Male EFI Quick Connect Adapter (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0123-B

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0132

Fitting, EFI Adapter, Straight, Female -8 AN to 5/16 in. Male Quick Connect, Aluminum, Silver Anodized, Each

Part Number: DWK-6-02-0132

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

DeatschWerks Fuel Line Adapter Fittings 6-02-0124-B

10AN ORB Male to 5/16 Inch Male EFI Quick Connect Adapter (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0124-B

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0134

Fitting, EFI Adapter, Straight, Female -10 AN to 5/16 in. Male Quick Connect, Aluminum, Silver Anodized, Each

Part Number: DWK-6-02-0134

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0122

6AN ORB Male to 3/8 Inch Male EFI Quick Connect Adapter (Incl O-Ring), Anodized DW Titanium

Part Number: DWK-6-02-0122

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0125-B

10AN ORB Male to 3/8 Inch Male EFI Quick Connect Adapter (Incl O-Ring), Anodized Matte Black

Part Number: DWK-6-02-0125-B

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0127-B

Fitting, EFI Adapter, Straight, Male -6 AN to OEM Fuel Pump, Aluminum, Black Anodized, Toyota, Each

Part Number: DWK-6-02-0127-B

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0135

Fitting, EFI Adapter, Straight, Female -10 AN to 3/8 in. Male Quick Connect, Aluminum, Silver Anodized, Each

Part Number: DWK-6-02-0135

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0139-B

Fuel Rail Fitting, Aluminum, Black Anodized, OEM Regulator to -8 AN Male O-Ring, Can-Am, Each

Part Number: DWK-6-02-0139-B

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0123

8AN ORB Male to 5/16 Inch Male EFI Quick Connect Adapter (Incl O-Ring), Anodized DW Titanium

Part Number: DWK-6-02-0123

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0140-B

Fuel Rail Fitting, Aluminum, Black Anodized, OEM Regulator to -8 AN Male O-Ring, Polaris, Each

Part Number: DWK-6-02-0140-B

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

DeatschWerks Fuel Line Adapter Fittings 6-02-0131-B

Fitting, EFI Adapter, Straight, Female -6 AN to 3/8 in. Male Quick Connect, Aluminum, Black Anodized, Each

Part Number: DWK-6-02-0131-B

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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