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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 1601

Fitting, Adapter, AN to NPT, Straight, Brass, Natural, -4 AN, 1/8 in. NPT, Each

Part Number: AFC-7010-0001

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

Fitting, Adapter, AN to NPT, Straight, Steel, Gold/Zinc Plated, 1/8 in. NPT, -3 AN, Each

Part Number: AFC-7010-0002

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

Adapter, Brake Pressure Gauge, GM 10mm-1.5, Male Threads, Pair

Part Number: LNG-44152

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Fitting, Adapter, AN to NPT, 90 Degree, Steel, Zinc, -3 AN, 1/8 in. NPT, Each

Part Number: AAF-ALL50018

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Adapter, Steel, Zinc Played, Brake Press Gauge To GM Metric Caliper, Each

Part Number: AAF-ALL11022

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Adapter, Brake Pressure Gauge, 3/8 in.-24, Male Threads, Pair

Part Number: LNG-44153

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Fitting, Adapter, AN to NPT, 90 Degree, Steel, Zinc, -4 AN, 1/8 in. NPT, Each

Part Number: AAF-ALL50019

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Adapter, Brake Pressure Gauge, 1/4-28 in., Male Threads, Pair

Part Number: LNG-44151

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Fitting, Coupler, Union, NPT to NPT, Straight, Brass, Natural, 1/8 in. NPT, 1/8 in. NPT, Set of 4

Part Number: AAF-ALL50184

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Fitting, Adapter, NPT to Hose Barb, 90 Degree, Brass, Natural, 3/8 in. NPT, 3/8 in. Hose Barb, Each

Part Number: MOR-65140

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

2015-2020 BMW F80 M3/M4 Oil Line Fitting Adapter Kit

Part Number: MIO-MMOCF-F80

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Fitting, Coupler, Union, Hose Barb to Hose Barb, 90 Degree, Steel, Galvanized, 3/8 in. Hose Barb, 3/8 in. Hose Barb, Pair

Part Number: URR-3890

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Fitting, Adapter, NPT to Hose Barb, 90 Degree, Brass, Natural, 3/8 in. NPT, 1/2 in. Hose Barb, Each

Part Number: MOR-65130

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Fitting, Pressure Gauge Adapter, Straight, Brass, Natural, 1/4-28 in. to 1/8 in.-27 NPT, Each

Part Number: WIL-220-0971

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Brake Line Coupler M10-1.0 Male

Part Number: LRO-S0047

Not Yet Reviewed

Estimated Ship Date: Today

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FITTING,ADAPTER,TUBING,-3 TO M12x1.00 IF

Part Number: WIL-220-17469

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Fitting; #2 BRAKE LINE w/ #3 BLUE ALUM. NUTS, 12"

Part Number: FRA-290012-BU

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Fitting, Coupler, Union, Hose Barb to Hose Barb, 90 Degree, Steel, Galvanized, 5/16 in., 5/16 in., Pair

Part Number: URR-51690

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Fuel Line Fitting, -6 AN Male Flare to 5/16 in. Female EFI Quick Connect Adapter, Aluminum, Silver Anodized, Each

Part Number: DWK-6-02-0121

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: RUS-639213

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fittings and Adapters, Reducer, Straight, Brass, Zinc Color, 3/8 in.-24 Female Inverted Flare, 7/16 in.-24 Male Inverted Flare, Each

Part Number: AGX-BLF-22B

Not Yet Reviewed

Estimated Ship Date: Today

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Fittings and Adapters, Brass Adapters, Straight, Brass, Zinc, 1/2 in.-20 Female Inverted Flare, 1/8 in.-27 NPT Male NPT, Each

Part Number: AGX-BLF-68B

Not Yet Reviewed

Estimated Ship Date: Today

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Fittings and Adapters, AGS Brass Adapters, Straight, 3/8 in. -24 Female Inverted Flare to 9/16 in. -18 Male Inverted Flare, Each

Part Number: AGX-BLF-28B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fittings and Adapters, Adapter, Straight, Brass, Zinc Color, 3/8 in.-24 Female Inverted Flare, M10 x 1.0 Male Bubble Flare, Each

Part Number: AGX-BLF-31B

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Estimated Ship Date: Today

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Fittings and Adapters, Reducer, Straight, Brass, Zinc Color, 1/2 in.-20 Female Inverted Flare, 9/16 in.-18 Male Inverted Flare, Each

Part Number: AGX-BLF-21B

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