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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 375

Fitting, Adapter, -10AN Male to -10AN Straight Cut O-Ring, Straight, Aluminum, Black Anodized, Each

Part Number: ICB-F10AN100R

4.75 out of 5 stars ( 4 )

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

Part Number: ICB-F06AN060R

4.25 out of 5 stars ( 4 )

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Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -8 AN, -8 AN, Each

Part Number: ICB-F08AN080R

4.33 out of 5 stars ( 3 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Black Anodized, -8 AN, -6 AN O-Ring, Each

Part Number: ICB-F08AN060R

5.0 out of 5 stars ( 3 )

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Fitting, Reducer, Hose Barb to Hose Barb, Straight, Billet Aluminum, Natural, 3/8 in., 5/16 in., Each

Part Number: ICB-AN627-06-05A

5.0 out of 5 stars ( 8 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Natural, -12 AN, -12 AN, Each

Part Number: ICB-AN920-12-12A

3.0 out of 5 stars ( 2 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Black Anodized, -6 AN, -8 AN, Each

Part Number: ICB-F06AN080R

3.67 out of 5 stars ( 3 )

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Fittings, Gauge Adapters, Oil Pressure, Coolant Temperature, Billet Aluminum, Natural, Set of 6

Part Number: ICB-551156

4.83 out of 5 stars ( 6 )

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Gauge Adapters, Straight Fitting, Billet Aluminum, Natural, 16mm x 1.5 Female Threads, Oil Pressure Sensor Relocation, GM, LS Series V8 Engines, Each

Part Number: ICB-551534

4.8 out of 5 stars ( 10 )

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Fitting, Coupler, Union, Hose Barb to Hose Barb, Straight, Billet Aluminum, Natural, 1 1/2 in. Hose Barb, 1 1/2 in. Hose Barb, Each

Part Number: ICB-AN627-24A

5.0 out of 5 stars ( 5 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Natural, -10 AN, -10 AN, Each

Part Number: ICB-AN920-10-10A

Not Yet Reviewed

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Gauge Adapter, Straight, Aluminum, Natural, M12 x 1.5 Male Threads, 1/8 in. NPT Female Threads, Each

Part Number: ICB-551159

5.0 out of 5 stars ( 2 )

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

Part Number: ICB-AN840-10-06A

5.0 out of 5 stars ( 1 )

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Fitting, Reducer, Hose Barb to Hose Barb, Straight, Billet Aluminum, Natural, 1 1/2 in. Hose Barb, 1 3/4 in. Hose Barb, Each

Part Number: ICB-AN627-28-24A

5.0 out of 5 stars ( 2 )

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Fitting, Reducer, Hose Barb to Hose Barb, Straight, Billet Aluminum, Natural, 5/16 in. Hose Barb, 1/4 in. Hose Barb, Each

Part Number: ICB-AN627-05-04A

5.0 out of 5 stars ( 1 )

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Fitting, Reducer, Hose Barb to Hose Barb, Straight, Aluminum, Natural, 1 1/4 in. Hose Barb, 1 1/2 in. Hose Barb, Each

Part Number: ICB-AN627-21A

5.0 out of 5 stars ( 2 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Natural, -8 AN, -10 AN, Each

Part Number: ICB-AN920-08-10A

Not Yet Reviewed

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Fitting, Coupler, Union, Hose Barb to Hose Barb, Straight, Billet Aluminum, Natural, 5/8 in., 3/4 in., Each

Part Number: ICB-AN627-11A

5.0 out of 5 stars ( 6 )

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

Part Number: ICB-AN840-12-08A

5.0 out of 5 stars ( 1 )

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Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Natural, -10 AN, -8 AN, Each

Part Number: ICB-AN920-10-08A

5.0 out of 5 stars ( 2 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Natural, -6 AN, -10 AN, Each

Part Number: ICB-AN920-06-10A

5.0 out of 5 stars ( 1 )

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Fitting, Adapter, AN to Metric Threads, Straight, Billet Aluminum, Natural, -4 AN, M10 x 1.0, Each

Part Number: ICB-AN81604M1010

Not Yet Reviewed

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Oil Pressure Sensor Adapter, For Gen V LT Valley Pan, Fits ICT Billet 551168 and 551171 Part Numbers, Billet Aluminum, Each

Part Number: ICB-551166

5.0 out of 5 stars ( 2 )

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Fitting, Adapter, AN to NPT, Straight, Aluminum, Natural, -4 AN, 1/8 in. NPT, Each

Part Number: ICB-AN816-04-02A

5.0 out of 5 stars ( 1 )

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Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -10 AN, M20 x 1.5, Each

Part Number: ICB-551208

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