Availability
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.
Adapter, Straight, 5/8 in. Hose Barb Hose End Size, Brass, -10 AN Female Threads Adapter Size, Each
Part Number: JZP-EA701101
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
BUILD IT WITH SUMMIT!
Fitting, Adapter, AN to Inverted Flare, Straight, Aluminum, Black Anodized, -6 AN, 5/8-18 in. Inverted Flare, Each
Part Number: SUM-220667B
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 1/4 in. Hose Barb, Pair
Part Number: MLI-S-600
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/8 in. NPT, 1/8 in. Hose Barb, Each
Part Number: MLI-600-2
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Coupler, Union, Hose Barb to Hose Barb, Straight, Brass, Natural, 3/8 in. Hose Barb, 3/8 in. Hose Barb, Pair
Part Number: MLI-S-642
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Billet Aluminum, Black Anodized, 5/16 in., 5/16 in. Hose Barb, Each
Part Number: EAR-740156ERL
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/2 in. NPT, 1/2 in. Hose Barb, Each
Part Number: MLI-604-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/8 in. NPT, 1/4 in. Hose Barb, Each
Part Number: MLI-600-3
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 3/8 in. NPT, 3/8 in. Hose Barb, Each
Part Number: MLI-605-3
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 3/8 in. Hose Barb, Pair
Part Number: MLI-S-602
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 3/8 in. Hose Barb, Pair
Part Number: MLI-S-605-2
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPS to Hose Barb, Straight, Brass, Natural, 1/4 in. NPS, 1/4 in., Swivel, Each
Part Number: MLI-607
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 1/4 in. Hose Barb, Pair
Part Number: MLI-S-605
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Coupler, Union, NPT to NPT, Straight, Brass, Natural, 1/4 in. NPT, 1/4 in. NPT, Swivel, Each
Part Number: MLI-660
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 3/8 in. NPT, 3/8 in. Hose Barb, Pair
Part Number: MLI-S-603
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 1/8 in. Hose Barb, Each
Part Number: MLI-600-4
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Steel, Black Oxide, 1/4 in. NPT, 3/8 in. Hose Barb, Swivel, Each
Part Number: MLI-S-658
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Coupler, Union, NPT to NPT, Straight, Steel, Black Oxide, 1/4 in. NPT, 1/4 in. NPT, Swivel, Each
Part Number: MLI-S-659
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 3/8 in. Hose Barb, Each
Part Number: MLI-S-621
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Fitting, Adapter, NPT to Hose Barb, Straight, Zamak, Natural, 1/4 in. NPT, 1/4 in. Hose Barb, Pair
Part Number: MLI-S-663
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 1/4 in. Hose Barb, Swivel, Pair
Part Number: MLI-S-609
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 3/8 in. NPT, 3/8 in. Hose Barb, Swivel, Each
Part Number: MLI-S-612-6
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 3/8 in. NPT, 1/2 in. Hose Barb, Each
Part Number: MLI-604
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 3/8 in. Hose Barb, Swivel, Each
Part Number: MLI-S-611-6
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 1/4 in. Hose Barb, Swivel, Each
Part Number: MLI-S-611-4
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Fitting, Adapter, NPT to Hose Barb, Straight, Brass, Natural, 1/4 in. NPT, 5/16 in. Hose Barb, Pair
Part Number: MLI-S-601
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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