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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 578

Fitting, Adapter, 90 Degree, -6 AN Male Threads, 3/8 in. female, Aluminum, Black Anodized, Each

Part Number: VPE-16921

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -6 AN, 3/8 in. NPT, Each

Part Number: RUS-660463

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, NPT to Hose Barb, Straight, Steel, Zinc, 1/2 in. NPT, 3/4 in. Hose Barb, Each

Part Number: RNB-56360

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, AN to AN, Straight, Aluminum, Black Anodized, -6 AN, -8 AN, Each

Part Number: PGP-PRP-3401

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Stainless Steel, Natural, -3 AN, 1/8 in. NPT, Each

Part Number: RUS-660412

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, AN to AN, Straight, Aluminum, Black Anodized, -8 AN, -10 AN, Each

Part Number: PGP-PRP-3402

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -6 AN, 1/8 in. NPT, Each

Part Number: RUS-660453

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, Straight, -6 AN Male Threads, Aluminum, Black Anodized, Each

Part Number: VPE-16881

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

Part Number: RUS-660483

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -6 AN, 1/8 in. NPT, Each

Part Number: RUS-660833

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, EnduraShine, -6 AN, 3/8 in. NPT, Each

Part Number: RUS-660841

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Coupler, Union, AN to AN, Straight, Aluminum, Black Anodized, -8 AN, -8 AN, Each

Part Number: PGP-PRP-3307

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, NPT to NPT, Straight, Brass, Natural, 1/2 in. NPT, 3/8 in. NPT, Each

Part Number: MLI-S-652

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, NPT to NPT, Straight, Brass, Natural, 1/2 in. NPT, 1/4 in. NPT, Each

Part Number: MLI-651-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, NPT to NPT, Straight, Aluminum, Black Anodized, 1/2 in. NPT, 1/8 in. NPT, Each

Part Number: RAU-1011218BLK

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -6 AN, 3/8 in. NPT, Swivel, Each

Part Number: RUS-614225

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

Part Number: RUS-660480

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 90 Degree, Aluminum, Black Anodized, -8 AN, 3/8 in. NPT, Each

Part Number: RUS-660863

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, AN to AN, Straight, Aluminum, Black Anodized, -4 AN, -3 AN, Each

Part Number: PGP-PRP-3405

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Blue Anodized, -6 AN, 3/8 in. NPT, Swivel, Each

Part Number: RUS-614226

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, 45 Degree, Aluminum, Blue Anodized, -6 AN, 3/8 in. NPT, Each

Part Number: RUS-662390

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, AN to AN, Straight, Aluminum, Black Anodized, -4 AN, -3 AN, Each

Part Number: PGP-PRP-3325

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

Part Number: PGP-PRP-3308

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Reducer, AN to AN, Straight, Aluminum, Black Anodized, -12 AN, -16 AN, Each

Part Number: PGP-PRP-3404

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -8 AN, 1/4 in. NPT, Each

Part Number: RUS-660473

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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