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.

Individual Parts

Part Groups

Results 1 - 20 of 20

Russell Fuel Rail Fitting Adapters 640853

Fittings, Fuel Rail Fitting, Aluminum, Black, Straight, 3/8 in., -6 AN, Each

Part Number: RUS-640853

4.85 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Russell AN to Metric Adapter Fittings 640830

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Blue Anodized, -6 AN, M16 x 1.5 O-ring, Each

Part Number: RUS-640830

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Russell Fuel Rail Fitting Adapters 640857

Fuel Line Adapter Fittings, Fuel Rail, 3/8 in. Quick-Connect, -6 AN Male Threads, Aluminum, Black Anodized, Set of 25

Part Number: RUS-640857

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Tanks Inc. Fuel Rail Fitting Adapters 640853

Fuel Fitting, Quick-Connect, Chevy LS, LT, Ford Coyote, Aluminum, Black Anodized, Straight, 3/8 in., -6 AN, Each

Part Number: TNK-640853

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Russell AN to Metric Adapter Fittings 640820

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Blue Anodized, -6 AN, M14 x 1.5 O-ring, Each

Part Number: RUS-640820

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Russell Fuel Rail Fitting Adapters 640850

Fitting, Fuel Rail Fitting, Aluminum, Blue, Straight, 3/8 in., -6 AN, Each

Part Number: RUS-640850

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell AN to Metric Adapter Fittings 640800

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, EnduraShine, -6 AN, M12 x 1.25 O-ring, Each

Part Number: RUS-640800

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell AN to Metric Adapter Fittings 640810

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, EnduraShine, -6 AN, M14 x 1.25 O-ring, Each

Part Number: RUS-640810

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell AN to Metric Adapter Fittings 640833

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -6 AN, M16 x 1.5 O-ring, Each

Part Number: RUS-640833

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Russell Fuel Rail Fitting Adapters 640863

Fittings, Fuel Rail Fitting, Aluminum, Black, Straight, 5/16 in., -6 AN, Each

Part Number: RUS-640863

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Tanks Inc. Fuel Rail Fitting Adapters 640863

Fuel Rail Fitting, Aluminum, Black, Straight, 5/16 in., -6 AN, Each

Part Number: TNK-640863

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell Fuel Rail Fitting Adapters 640873

Fittings, Fuel Rail Fitting, Aluminum, Black Anodized, Straight, 12mm, -6 AN, Each

Part Number: RUS-640873

3.36 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell Fuel Rail Fitting Adapters 640860

Fittings, Fuel Rail Fitting, Aluminum, Blue, Straight, 5/16 in., -6 AN, Each

Part Number: RUS-640860

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell Fuel Rail Fitting Adapters 640883

Fitting, Fuel Rail Fitting, Aluminum, Black Anodized, Straight, 14mm, -8 AN, Each

Part Number: RUS-640883

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell AN to Metric Adapter Fittings 640803

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -6 AN, M12 x 1.25 O-ring, Each

Part Number: RUS-640803

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell AN to Metric Adapter Fittings 640813

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -6 AN, M14 x 1.25 O-ring, Each

Part Number: RUS-640813

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Russell AN to Metric Adapter Fittings 640823

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -6 AN, M14 x 1.5 O-ring, Each

Part Number: RUS-640823

Not Yet Reviewed

Estimated Ship Date: Today

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Russell Fuel Rail Fitting Adapters 640880

Fitting, Fuel Rail Fitting, Aluminum, Blue Anodized, Straight, 14mm, -8 AN, Each

Part Number: RUS-640880

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell Fuel Rail Fitting Adapters 640870

Fittings, Fuel Rail Fitting, Aluminum, Blue Anodized, Straight, 12mm, -6 AN, Each

Part Number: RUS-640870

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Russell Fuel Rail Fitting Adapters 640890

Fuel Pressure Adapter, Vari. Ford EFI V8s/V6s -4 AN x 1/16 in.NPT Test Port

Part Number: RUS-640890

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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