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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.
Showing In Stock Items. Show All 4 Items.
Coolant Temperature Sensor Adapter, Adapts 1/8 in. NPT Sensors to GM LS and LT Gen III/IV/V 28mm Engine Block Coolant Ports, Billet Aluminum, Each
Part Number: ICB-551782-125
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Coolant Temperature Sensor Adapter, Adapts 3/8 in. NPT Sensors to GM LS and LT Gen III/IV/V 28mm Engine Block Coolant Ports, Billet Aluminum, Each
Part Number: ICB-551782-375
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Coolant Temperature Sensor Adapter, Adapts M12 x 1.5 Sensors to GM LS and LT Gen III/IV/V 28mm Engine Block Coolant Ports, Billet Aluminum, Each
Part Number: ICB-551782-M1215
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
LT M28 to 1/2" NPT Coolant Temperature Sensor Adapter Fitting LT1 LT4 L83 LS1
Part Number: ICB-551782-500
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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