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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 38

Fitting, Adapter, AN to AN, Straight, Aluminum, Black Anodized, -8 AN, -10 AN O-ring, Each

Part Number: JET-34172

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fitting, Adapter, AN to AN, Straight, Aluminum, Black Anodized, -10 AN, -10 AN O-ring, Each

Part Number: JET-34173

Not Yet Reviewed

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Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -10 AN, Each

Part Number: JET-34171

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -3 AN, 1/8 in. NPT, Each

Part Number: NOS-17943NOS

Not Yet Reviewed

Estimated Ship Date: Today

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Fitting, Adapter, AN to UNF, Straight, Aluminum, Natural, -3 AN, 5/16-24 in., Each

Part Number: NEX-16149

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fitting, Adapter, AN to NPT, Straight, Aluminum, Red Anodized, -3 AN, 1/8 in. NPT, Each

Part Number: NOS-17953NOS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fitting, Adapter, AN to UNF, Straight, Brass, Nickel Plated, 1/4-28 in., -3 AN, Each

Part Number: NEX-92017

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Fitting, Adapter, AN to NPT, Straight, Stainless Steel, Natural, -3 AN, 1/4-28 in., Each

Part Number: NOS-17954SSNOS

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Fitting, Adapter, AN to NPT, Straight, Aluminum, Blue Anodized, -3 AN, 1/8 in. NPT, Each

Part Number: NOS-17952NOS

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

1/8" NPT X 3AN 45° Fitting (Machined for Jet)

Part Number: NXO-00-01250-J

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

1/8 NPT X -4AN 45 Degree (Machined Down for Jet)

Part Number: NXO-00-01251-J

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

4AN-5/16-24 JET FITTING

Part Number: NXO-00-01807-J

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

1/2" NPT 90 Degree Male To Female Adapter

Part Number: NXO-60-58042-12

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

3/4" NPT 90 Degree Male To Female Adapter

Part Number: NXO-60-58042-34

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

3/8" NPT 90 Degree Male To Female Adapter

Part Number: NXO-60-58042-38

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

1/2" NPT 45 Degree Male To Female Adapter

Part Number: NXO-60-58041-12

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

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

Part Number: EDL-8078

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Nitrous Outlet 1/8" NPT x 1/8" NPT 90 Degree Fitting - Male/Female

Part Number: NXO-60-01125-B

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

1/4" NPT 45 Degree Male To Female Adapter

Part Number: NXO-60-58041-14

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

1-1/4" NPT 45 Degree Male To Female Adapter

Part Number: NXO-60-58041114

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

1-1/4" NPT 90 Degree Male To Female Adapter

Part Number: NXO-60-58042114

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

3AN Straight JIC 37 Degree AN Male To NPT Female

Part Number: NXO-60-58037-03

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

3AN 90 Degree JIC 37 Degree AN Male To NPT Female

Part Number: NXO-60-58038-03

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

4AN Straight JIC 37 Degree AN Male To NPT Female

Part Number: NXO-60-58037-04

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

4AN 90 Degree JIC 37 Degree AN Male To NPT Female

Part Number: NXO-60-58038-04

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

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