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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
Part Groups

Results 1 - 25 of 48

CSR NPT to Smooth Hose Adapters CSR 970FITTING

CSR NPT to Smooth Hose Adapters CSR 970FITTING

CSR NPT to Smooth Hose Adapters CSR 970FITTING

Fitting, Adapter, NPT to Hose Barb, Straight, Aluminum, Clear Anodized, 1/8 in. NPT, 1/4 in. Hose Barb, Each

Part Number: CSI-970FITTING

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to AN Adapters CSR 909AN12

CSR NPT to AN Adapters CSR 909AN12

CSR NPT to AN Adapters CSR 909AN12

Fitting, Adapter, AN to NPT, Straight, Aluminum, Clear Anodized, -12 AN, 3/4 in. NPT, Each

Part Number: CSI-909AN12

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 907

CSR NPT to Smooth Hose Adapters CSR 907

CSR NPT to Smooth Hose Adapters CSR 907

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

Part Number: CSI-907

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to AN Adapters CSR 909AN16

CSR NPT to AN Adapters CSR 909AN16

CSR NPT to AN Adapters CSR 909AN16

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: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

CSR Water Pump Hose Adapters CSR 9902L

CSR Water Pump Hose Adapters CSR 9902L

CSR Water Pump Hose Adapters CSR 9902L

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Clear Anodized, 1 1/4-20 in., -16 AN, Each

Part Number: CSI-9902L

Not Yet Reviewed

Estimated Ship Date: Today

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CSR AN to Hose Barb Adapter Fittings CSR 992

CSR AN to Hose Barb Adapter Fittings CSR 992

CSR AN to Hose Barb Adapter Fittings CSR 992

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

Part Number: CSI-992

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR Water Pump Hose Adapters CSR 9903L

CSR Water Pump Hose Adapters CSR 9903L

CSR Water Pump Hose Adapters CSR 9903L

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

Part Number: CSI-9903L

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 9905L

CSR NPT to Smooth Hose Adapters CSR 9905L

CSR NPT to Smooth Hose Adapters CSR 9905L

Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Clear Anodized, 1 1/4-20 in., 1 1/2 in. Hose Barb, Each

Part Number: CSI-9905L

Not Yet Reviewed

Estimated Ship Date: Today

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CSR NPT to Smooth Hose Adapters CSR 9906L

CSR NPT to Smooth Hose Adapters CSR 9906L

CSR NPT to Smooth Hose Adapters CSR 9906L

Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Clear Anodized, 1 1/16-20 in., 1 3/4 in. Hose Barb, Each

Part Number: CSI-9906L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 9905C

CSR NPT to Smooth Hose Adapters CSR 9905C

CSR NPT to Smooth Hose Adapters CSR 9905C

Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Clear Anodized, 1 1/4-20 in., 1 1/2 in. Smooth Hose, Each

Part Number: CSI-9905C

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 906

CSR NPT to Smooth Hose Adapters CSR 906

CSR NPT to Smooth Hose Adapters CSR 906

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

Part Number: CSI-906

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to AN Adapters CSR 909AN20

CSR NPT to AN Adapters CSR 909AN20

CSR NPT to AN Adapters CSR 909AN20

Fitting, Adapter, AN to NPT, Straight, Aluminum, Clear Anodized, -20 AN, 3/4 in. NPT, Each

Part Number: CSI-909AN20

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 908

CSR NPT to Smooth Hose Adapters CSR 908

CSR NPT to Smooth Hose Adapters CSR 908

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

Part Number: CSI-908

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 908L

CSR NPT to Smooth Hose Adapters CSR 908L

CSR NPT to Smooth Hose Adapters CSR 908L

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

Part Number: CSI-908L

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Electric Water Pump Hose Adapters SUM-316104

Summit Racing™ Electric Water Pump Hose Adapters SUM-316104

4.5 out of 5 stars ( 7 )

Estimated Ship Date: Today

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CSR Water Pump Hose Adapters CSR 9901L

CSR Water Pump Hose Adapters CSR 9901L

CSR Water Pump Hose Adapters CSR 9901L

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

Part Number: CSI-9901L

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSR NPT to Smooth Hose Adapters CSR 907L

CSR NPT to Smooth Hose Adapters CSR 907L

CSR NPT to Smooth Hose Adapters CSR 907L

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

Part Number: CSI-907L

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

CSR Water Pump Hose Adapters CSR 9902C

CSR Water Pump Hose Adapters CSR 9902C

CSR Water Pump Hose Adapters CSR 9902C

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Clear Anodized, 1 1/4-20 in., -16 AN, Each

Part Number: CSI-9902C

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR NPT to Smooth Hose Adapters CSR 9905XL

CSR NPT to Smooth Hose Adapters CSR 9905XL

CSR NPT to Smooth Hose Adapters CSR 9905XL

Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Clear Anodized, 1 1/4-20 in., 1 1/2 in. Hose Barb, Each

Part Number: CSI-9905XL

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR AN to Hose Barb Adapter Fittings CSR 991

CSR AN to Hose Barb Adapter Fittings CSR 991

CSR AN to Hose Barb Adapter Fittings CSR 991

Fitting, Adapter, AN to Hose Barb, Straight, Billet Aluminum, Silver Anodized, -12 AN, 1 1/2 in. Hose Barb, Each

Part Number: CSI-991

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR AN to AN Adapter Fittings CSR 983

CSR AN to AN Adapter Fittings CSR 983

CSR AN to AN Adapter Fittings CSR 983

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Natural, -10 AN, -12 AN, Each

Part Number: CSI-983

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR AN to AN Adapter Fittings CSR 984

CSR AN to AN Adapter Fittings CSR 984

CSR AN to AN Adapter Fittings CSR 984

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

Part Number: CSI-984

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR NPT to Smooth Hose Adapters 9905BLK

CSR NPT to Smooth Hose Adapters 9905BLK

CSR NPT to Smooth Hose Adapters 9905BLK

Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Black Anodized, 1 1/4-20 in., 1 1/2 in. Smooth Hose, Each

Part Number: CSI-9905BLK

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR NPT to Smooth Hose Adapters CSR 9904L

CSR NPT to Smooth Hose Adapters CSR 9904L

CSR NPT to Smooth Hose Adapters CSR 9904L

Fitting, Adapter, Straight Cut to Hose Barb, Straight, Aluminum, Clear Anodized, 1 1/4-20 in., 1 1/4 in. Hose Barb, Each

Part Number: CSI-9904L

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR Water Pump Hose Adapters CSR 9903C

CSR Water Pump Hose Adapters CSR 9903C

CSR Water Pump Hose Adapters CSR 9903C

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

Part Number: CSI-9903C

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

CSR Water Pump Hose Adapters CSR 907HV

CSR Water Pump Hose Adapters CSR 907HV

CSR Water Pump Hose Adapters CSR 907HV

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

Part Number: CSI-907HV

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today