$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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AN & NPT Fittings & Adapters, Fuel Line Fittings, Hose Couplers & more

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 33

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in.Compression, Each

Part Number: VPE-16455

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in., Each

Part Number: EAR-AT165056ERL

4.58 out of 5 stars ( 36 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in., Each

Part Number: FRA-892005BL

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, AN to Tube Adapter Fitting, Straight, Aluminum, Black, -6 AN Male AN, 5/16 in. Compression, Each

Part Number: DWK-6-02-0108-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in., Swivel, Each

Part Number: VPE-16445

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Red/Blue Anodized, -6 AN, 5/16 in., Each

Part Number: EAR-165056ERL

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fittings and Adapters, AN to Tube Adapter Fittings, Straight, Swivel, Aluminum, Black Anodized, -6 AN Female AN, 5/16 in. Compression, Each

Part Number: FRA-893005-BL

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

Part Number: HSE-3000-06-06-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

Part Number: HSE-3100-06-06-2

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, 90 Degree, Aluminum, Black Anodized, -6 AN, 5/16 in., Each

Part Number: VPE-16565

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Silver Anodized, -6 AN, 5/16 in., Each

Part Number: DWK-6-02-0108

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in., Swivel, Each

Part Number: EAR-AT165156ERL

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in., Each

Part Number: HSE-3100-06-05-2

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, AN to Tube Adapter Fitting, Straight, Aluminum, Black, -8 AN Male AN, 5/16 in. Compression, Each

Part Number: DWK-6-02-0129-B

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fittings and Adapters, AN To Tube Adapter Fittings, Straight, -6 AN Male AN To 5/16 in. Compression, Aluminum, Black Anodized, Each

Part Number: SFL-SF6180605BLK

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 5/16 in., Swivel, Each

Part Number: HSE-3000-06-05-2

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -8 AN, 1/2 in., Swivel, Each

Part Number: HSE-3000-08-08-2

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Red/Blue Anodized, -6 AN, 5/16 in., Swivel, Each

Part Number: EAR-165156ERL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

Part Number: HSE-3100-06-06-1

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, 90 Degree, Aluminum, Black Anodized, -6 AN, 5/16 in., Each

Part Number: VPE-16585

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Clear Anodized, -6 AN, 5/16 in., Swivel, Each

Part Number: HSE-3000-06-05-5

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, 45 Degree, Aluminum, Black Anodized, -6 AN, 5/16 in., Each

Part Number: VPE-16555

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fitting, Adapter, AN to Tubing, Straight, Aluminum, Red/Blue Anodized, -6 AN, 5/16 in., Each

Part Number: HSE-3100-06-05-1

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

Part Number: HSE-3000-06-06-5

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

Part Number: HSE-3100-06-06-5

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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