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.
Showing In Stock Items. Show All 102 Items.
Fitting and Adapter, Water Temperature Sensor Hose Adapter, Straight, Aluminum, Black, 1 1/2 in. Hose Barb, 1/4 in. NPT Gauge Port Size, Each
Part Number: RAD-TS38
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
BUILD IT WITH SUMMIT!
Fitting, Engine Sensor Adapter, GM LS, NPT To Metric, Straight, Stainless Steel, 1/8 in.NPT, M16 x 1.5, M12 x 1.5, Set
Part Number: SUM-220127
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Water Temperature Sensor Adapter, 38mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-38-BK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Temperature Sensor Fitting, Adapter, Straight, Brass, Natural, 1/2 in. NPT Male, 3/8 in. Female, Each
Part Number: RFW-AD12
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gauge Adapter, SMi, Pressure Sensor Extension, Natural, Each
Part Number: LNG-43525
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Water Temperature Sensor Adapter, 32mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-32-BK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Radiator Hose Adapter, Nylon, Black, Compatible with 1.250 in to 1.575 in. hose, Kit
Part Number: DCW-DC-0409
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fittings, O2 Sensor Adapters, Metric To Metric, Straight, Steel, Natural, M18 x 1.5 Male Threads, M12 x 1.25 Female Threads, Pair
Part Number: HDD-820-0082
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Water Temperature Sensor Adapter, 30mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-30-BK
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Water Temperature Sensor Adapter, 28mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-28-BK
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Water Temperature Sensor Adapter, 34mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-34-BK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Inline oil sensor adapter, compact, two 1/8" NPT sensor ports, -10AN ORB in/out ports
Part Number: IRP-ENV-151
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Hose Adapter 1.25" to 1.5" w/ 1/4" NPT Port
Part Number: RAD-TS32-38
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gauge Adapters, Dual Inline Oil Sensor Manifold Blocks, Straight, Aluminum, Black, -10 AN O-ring, -10 AN O-ring, 1/8 in. NPT, Female Threads, Each
Part Number: IRP-ENV-150
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Temperature Sensor Fitting, Adapter, Straight, Aluminum, Black, 3/8 in. BSPT Male, 1/8 in. NPT Female, Each
Part Number: HYB-HYBCTA0105
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Pressure Gauge, Straight, Male -6 AN to Male -6 AN, 1/8 in. NPT Female, Aluminum, Black Anodized, Each
Part Number: AEI-65608
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Pressure Gauge, Straight, Male -8 AN to Male -8 AN, 1/8 in. NPT Female, Aluminum, Black Anodized, Each
Part Number: AEI-65609
Not Yet Reviewed
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
Gauge Adapters, Straight Fitting, Billet Aluminum, Natural, 16mm x 1.5 Female Threads, Oil Pressure Sensor Relocation, GM, LS Series V8 Engines, Each
Part Number: ICB-551534
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Temperature Sender Fitting, Radiator, Inline, 1 1/2 in. Hose Diameter, 1/2 in. Sensor Hole, Each
Part Number: ADD-716674
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
1/8" NPT Male to M16-1.5 Female Oil Pressure Sensor Adapter Fitting
Part Number: ICB-F125NPFM1615
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
LT Master Oil & Coolant Sensor Adapter Set 1/8 3/8 1/2 NPT
Part Number: ICB-551186-LT
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Extended Length LS 1/8" NPT Coolant Temperature Sensor Adapter Engine Swap M12-1.5
Part Number: ICB-551159L
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster