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 43 Items.
Fitting, Bung, Screw-in Type, #12 Male, Steel, Natural Finish, with Hex Nut, for Vacuum Pump, Each
Part Number: SBR-S0093
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Temp Adapter, 3/8 NPT, Long Style, Aluminum, Black, Each
Part Number: QCR-611-903
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Temperature Sensor Adapter, 32mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-32-BK
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Temperature Sensor Adapter, 38mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-38-BK
Estimated Ship Date: Today
Estimated Ship Date: Today
Adapter, Tube, 1.50 in. O.D., 6 in. Long, 0.080 in. Wall, 0.375 in. Bung, No.10-32 Threaded Ground Lug, Aluminum, Each
Part Number: BCI-72065
Estimated Ship Date: Today
Estimated Ship Date: Today
Coolant Tube Drain, Aluminum, 1.25 in. Diameter, Threaded Bung, Each
Part Number: BCI-72102
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Temperature Sensor Adapter, 34mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-34-BK
Estimated Ship Date: Today
Estimated Ship Date: Today
3/8" NPT Steel Weld-On Bung
Part Number: NXO-6058109ST38
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
S/STEEL M14 x 1.5 WELD BUNG O2 SENSOR
Part Number: SFL-SF989M14SS
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
RADIATOR FITTING, STRAIGHT, -20 AN O-Ring Male to 1.50 in. Hose, Aluminum, Silver Anodized, incl raw bung, Each
Part Number: PQX-5292323
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
RADIATOR FITTING, STRAIGHT, -20 AN O-Ring Male to 1.50 in. Hose, Aluminum, Black Anodized, incl raw bung, Each
Part Number: PQX-5292327
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
M10 x 1.0 FEMALE WELD BUNG - ALUMINUM
Part Number: SFL-SF990M101D
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
RADIATOR FITTING, STRAIGHT, -20 AN O-Ring Male to 1.75 in. Hose, Aluminum, Silver Anodized, incl raw bung, Each
Part Number: PQX-5292333
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
RADIATOR FITTING, ADAPTER, Union, Straight, -20AN O-Ring Male to -20AN Male, Aluminum, incl raw bung, Blue Anodized, Each
Part Number: PQX-5292410
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
1/8_BSPT FEMALE WELD BUNG - ALUMINUM
Part Number: SFL-SF99702BSPP
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
ALUMINIUM M18 x 1.5 WELD BUNG O2 SENSOR
Part Number: SFL-SF-989-M18-D
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 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: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Water Temperature Sensor Adapter, 30mm, Aluminum, Black Anodized, 1/8 in. NPT Bung, Each
Part Number: MIO-MMWHS-30-BK
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
RADIATOR FITTING, STRAIGHT, -20 AN O-Ring Male to 1.75 in. Hose, Aluminum, Black Anodized, incl raw bung, Each
Part Number: PQX-5292337
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
STEEL M14 x 1.5 WELD BUNG O2 SENSOR
Part Number: SFL-SF-989-M14-S
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
1/16_NPT FEMALE WELD BUNG - ALUMINUM
Part Number: SFL-SF-997-01-D
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Hose Adapter 1.25" to 1.5" w/ 1/4" NPT Port
Part Number: RAD-TS32-38
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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