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 96

Summit Racing™ AN to Metric Adapter Fittings SUM-220620B

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -6 AN, M10 x 1.0, Each

Part Number: SUM-220620B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220628B

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

Part Number: SUM-220628B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ICT Billet Water Pump Adapters F20AN1250CP

Compression Fitting '-20AN LS Water Pump Adapter

Part Number: ICB-F20AN1250CP

Not Yet Reviewed

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Summit Racing™ AN to Metric Adapter Fittings SUM-220620

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Blue Anodized, -6 AN, M10 x 1.0, Each

Part Number: SUM-220620

Not Yet Reviewed

Estimated Ship Date: Today

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Radium Engineering AN to BSPT Adapter Fittings 14-0292

Fitting and Adapter, AN To BSPT Adapter Fitting, PCV Delete, Straight, Aluminum, Black, -10 AN Male AN, 3/8 in. Male BSPT, Each

Part Number: RDM-14-0292

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

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Estimated Ship Date: Oct 10, 2025 if ordered today

Summit Racing™ AN to Metric Adapter Fittings SUM-220627B

Summit Racing™ AN to Metric Adapter Fittings SUM-220627B

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

Part Number: SUM-220627B

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220627

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

Part Number: SUM-220627

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tanks Inc. PA Series Fuel Pump Supply and Return Fittings 12598

Fitting, Adapter, NPT to Hose Barb, 90 Degree, Brass, Natural, 1/4 in. NPT, 1/4 in. Hose Barb, Pair

Part Number: TNK-12598

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220625B

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

Part Number: SUM-220625B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220628

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

Part Number: SUM-220628

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ZEX Nitrous Metric to Hose Barb Fittings NS6604

Fitting, Adapter, Metric to Hose Barb, Straight, Brass, Natural, 10mm x 1.0, 5/16 in., Each

Part Number: ZEX-NS6604

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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DeWitts Inline Temperature Adapters with Ground 32-17627G

Fitting, TemperatureGauge, 1 1/2 in. Hose Barb to 1 1/2 in. Hose Barb, 3/8 in. NPT Gauge Port, M6 x 1.0 Threaded Ground Point, Aluminum, Natural, Each

Part Number: DWR-32-17627G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220620C

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Clear Anodized, -6 AN, M10 x 1.0, Each

Part Number: SUM-220620C

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220621B

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Black Anodized, -8 AN, M10 x 1.0, Each

Part Number: SUM-220621B

Not Yet Reviewed

Estimated Ship Date: Today

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Nitrous Outlet AN Cap Fittings 00-01801

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

Part Number: NXO-00-01801

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

Summit Racing™ AN to Metric Adapter Fittings SUM-220621C

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Clear Anodized, -8 AN, 10mm x 1.0, Each

Part Number: SUM-220621C

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220626

Fitting, Adapter, AN to Metric Threads, Straight, Steel, Zinc, -6 AN, M18 x 1.5 O-ring, Each

Part Number: SUM-220626

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220625

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

Part Number: SUM-220625

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ AN to Metric Adapter Fittings SUM-220621

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Blue Anodized, -8 AN, M10 x 1.0, Each

Part Number: SUM-220621

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Strange AN to NPT Adapter Fittings P2316

#3 AN fitting / .125" NPT straight- ea.

Part Number: STR-P2316

Not Yet Reviewed

Estimated Ship Date: Today

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Redhorse Performance 8190 Series Couplers 8190-12-2

Fitting, Coupler, Union, AN to AN, 90 Degree, Aluminum, Black Anodized, -12 AN, -12 AN, Swivel, Each

Part Number: HSE-8190-12-2

Not Yet Reviewed

Estimated Ship Date: Today

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ARB Fittings 740104

Fitting, Adapter, Adapter, 90 Degree, Brass, Nickel Plated, #4 JIC, #4 JIC, Pair

Part Number: ARB-0740104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARB Fittings 740101

Fittings and Adapters, Adapter Style, AN To NPT, Straight, Brass, Nickel Plated, -4 AN Male AN, 1/4 in. NPT Male NPT, Pair

Part Number: ARB-0740101

Not Yet Reviewed

Estimated Ship Date: Today

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Redhorse Performance 8190 Series Couplers 8190-04-2

Fitting, Coupler, Union, AN to AN, 90 Degree, Aluminum, Black Anodized, -4 AN, -4 AN, Swivel, Each

Part Number: HSE-8190-04-2

Not Yet Reviewed

Estimated Ship Date: Today

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Redhorse Performance 8190 Series Couplers 8190-08-1

Fitting, Coupler, Union, AN to AN, 90 Degree, Aluminum, Red/Blue Anodized, -8 AN, -8 AN, Swivel, Each

Part Number: HSE-8190-08-1

Not Yet Reviewed

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