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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 63

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

Part Number: SUM-316104

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Fitting, Adapter, AN to Hose Barb, Straight, Billet Aluminum, Natural, -16 AN, 1 3/4 in. Hose Barb, Each

Part Number: MOR-63523

5.0 out of 5 stars ( 5 )

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Fitting, Adapter, AN to Hose Barb, Straight, Billet Aluminum, Natural, -16 AN, 1 1/2 in. Hose Barb, Each

Part Number: MOR-63522

4.0 out of 5 stars ( 4 )

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

Part Number: SUM-316102

4.6 out of 5 stars ( 5 )

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Fitting, LS Water Pump Adapter Fitting, Swivel, Straight, Aluminum, Black, Adapts Water Pump To Heater Core, Each

Part Number: ICB-F10AN625CP

Not Yet Reviewed

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Black Anodized, 1 1/4-12 in., -16 AN, Each

Part Number: SUM-01-6704

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Fitting, Adapter, AN to Hose Barb, Straight, Billet Aluminum, Natural, -16 AN, 1 1/4 in. Hose Barb, Each

Part Number: MOR-63521

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

Part Number: MOR-63543

5.0 out of 5 stars ( 2 )

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Black Anodized, 1 1/4-12 in., -20 AN, Each

Part Number: SUM-01-6705

Not Yet Reviewed

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Fitting, Adapter, Straight Cut to Hose Barb, Straight, Billet Aluminum, Black Anodized, 1 1/4-12 in., 1 1/2 in. Hose Barb, Each

Part Number: SUM-01-6701

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

Part Number: SUM-316100

Not Yet Reviewed

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Fitting, Reducer, AN to AN, Straight, Billet Aluminum, Black Anodized, -16 AN, -20 AN, Each

Part Number: MOR-63525

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: MOR-63544

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Fitting, LS Water Pump Adapter Fitting, Straight, Swivel, Aluminum, Black, -12 AN Male AN, 3/4 in. Compression, Each

Part Number: ICB-F12AN750CP

Not Yet Reviewed

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Fitting, Adapter, Straight Cut to Hose Barb, Straight, Billet Aluminum, Black Anodized, 1 1/4-12 in., 1 1/4 in. Hose Barb, Each

Part Number: SUM-01-6700

Not Yet Reviewed

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Fitting, Adapter, Straight Cut to Hose Barb, Straight, Billet Aluminum, Black Anodized, 1 1/4-12 in., 1 3/4 in. Hose Barb, Each

Part Number: SUM-01-6702

Not Yet Reviewed

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Fitting, Adapter, AN to Straight Cut, Straight, Billet Aluminum, Black Anodized, 1 1/4-12 in., -12 AN, Each

Part Number: SUM-01-6703

Not Yet Reviewed

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FITTING, UNIVERSAL ELECTRIC WATER PUMP, Straight, 3/4" NPT to 1.50" Smooth Hose x 5" Long, Alum, Clear Anodized, Each

Part Number: PQX-5292075

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: MOR-63542

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FITTING, UNIVERSAL ELECTRIC WATER PUMP, Straight, 3/4" NPT to 1.25" Smooth Hose x 3" Long, Alum, Clear Anodized, Each

Part Number: PQX-5292063

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

ELECTRIC WATER PUMP HOSE FITTING, 3/4" NPT to AN-20 Male Fitting x 3.25 in. Long, Billet Alum, Each

Part Number: PQX-5292096

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

WATER PUMP INLET TUBES

Part Number: DCW-DC-8315

Not Yet Reviewed

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Fittings and Adapters, Adapter Fittings, AN To Straight Cut, Aluminum, Black Anodized, -6 AN Male Threads, -6 AN Male Straight Cut NBR O-ring, Each

Part Number: AAF-ALL49836

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Fitting, Adapter, AN to NPT, Straight, Aluminum, Clear Anodized, -16 AN, 3/4 in. NPT, Each

Part Number: CSI-909AN16

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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