Availability
Weld-In Bungs, Nuts and Fittings
A quality weld-in bung is a smart way to add an o2 sensor, petcock drain, or plumbing fitting to automotive components like exhaust tubing, oil pans, fuel cells, or...
A quality weld-in bung is a smart way to add an o2 sensor, petcock drain, or plumbing fitting to automotive components like exhaust tubing, oil pans, fuel cells, or intake manifolds. And weld-in bungs are downright essential if you’re building a custom exhaust and need to add an oxygen sensor anywhere in the header tubes or exhaust system.
Better yet, if you’re drilling a hole in your oil pan or fuel cell to add a fitting for something like a drain, fuel line, or an external oil cooler, a weld-in bung can save a ton of time and hassle over cutting, drilling, and tapping one yourself. Weld-in bungs are also handy for folks...
A quality weld-in bung is a smart way to add an o2 sensor, petcock drain, or plumbing fitting to automotive components like exhaust tubing, oil pans, fuel cells, or intake manifolds. And weld-in bungs are downright essential if you’re building a custom exhaust and need to add an oxygen sensor anywhere in the header tubes or exhaust system.
Better yet, if you’re drilling a hole in your oil pan or fuel cell to add a fitting for something like a drain, fuel line, or an external oil cooler, a weld-in bung can save a ton of time and hassle over cutting, drilling, and tapping one yourself. Weld-in bungs are also handy for folks building custom nitrous systems, where you may need to add an assortment of sensors and injectors to ensure it operates correctly.
Whether your want an aluminum bung or a steel bung, a weld-in threaded bung, or metric weld bung, Summit Racing carries plenty of weld-in options in a range of sizes and threads. From AN and metric thread to trusty NPT, you can find a weld-in bung that’s perfect for your precise need. And having a wide selection of weld-in bungs is vital, because weld-on bungs are ideal for a lot of critical applications, including oxygen sensors, along with any sort of plumbing for external fluid coolers, turbo and supercharger oiling systems, air conditioning lines, and gauges. But again, if you’re here, there’s a good chance it’s because you need a weld-in bung for an oxygen sensor. And for that, we’ve got your covered.
Even if it’s not for an o2 sensor, you can find the best weld-in bung for your needs by using Summit Racing’s handy search filters to narrow down your results. Adjust your filters by vital search parameters like the weld-in bung’s thread pitch, outside diameter, and material. There are hundreds of weld-in bung options to choose from, so there’s a very, very good chance you’ll find the right weld-in fitting or sensor bung for your ride right here at Summit Racing.
Showing In Stock Items. Show All 138 Items.
4 AN BUNG, 4 AN BUNG
Part Number: DWR-32-220
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
8 AN BUNG, 8 AN BUNG
Part Number: DWR-32-222
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
12 AN BUNG, 12 AN BUNG
Part Number: DWR-32-224
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
16 AN BUNG, 16 AN BUNG
Part Number: DWR-32-225
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
3/8 NPT BUNG, 3/8 NPT BUNG
Part Number: DWR-32-206
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Fitting, Bung, Weld-in, 1/8 in. NPT Female Threads, Stainless Steel, Each
Part Number: VPE-1197
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld Bung, Aluminum, - 10 AN Male Thread, 1.125 in. Outside Diameter, Each
Part Number: VPE-11153
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld Bung, Aluminum, - 16 AN Male Thread, 1.625 in. Outside Diameter, Each
Part Number: VPE-11155
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Aluminum, Hose Barb, Universal, 0.250 in., Each
Part Number: VPE-11180
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld Bung, Aluminum, - 12 AN Male Thread, 1.375 in. Outside Diameter, Each
Part Number: VPE-11154
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Aluminum, Hose Barb, Universal, 0.375 in., Each
Part Number: VPE-11181
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld-In Bungs and Fittings, Weld Bungs, Steel, Hose Barb, 0.625 in. O.D., Each
Part Number: VPE-11283
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Aluminum, Hose Barb, Universal, 0.625 in., Each
Part Number: VPE-11183
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Aluminum, Hose Barb, Universal, 0.500 in., Each
Part Number: VPE-11182
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Steel, Hose Barb, Universal, 0.500 in., Each
Part Number: VPE-11282
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Steel, Hose Barb, Universal, 0.375 in., Each
Part Number: VPE-11281
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Steel, Hose Barb, Universal, 0.250 in., Each
Part Number: VPE-11280
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Steel, Hose Barb, Universal, 0.750 in., Each
Part Number: VPE-11284
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld Bung, Aluminum, - 6 AN Male Thread, 0.875 in. Outside Diameter, Each
Part Number: VPE-11151
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld Bung, Aluminum, 1/8 in.-27 NPT Female Thread, 0.750 in. Outside Diameter, Each
Part Number: VPE-11170
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld-In, Stainless Steel, Female Threads, Flanged, Oxygen Sensor, 18mm x 1.5, Set of 5
Part Number: VPE-11188
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weld Bung, Aluminum, - 8 AN Male Thread, 1.000 in. Outside Diameter, Each
Part Number: VPE-11152
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Bung, Weld-In, Male Threads, Aluminum, -16 AN, Each
Part Number: AAF-ALL50765
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fitting, Bung, Weld-In, Female -16 AN, Aluminum, Each
Part Number: ARP-800-8116
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bung, Weld, T6061 Billet Aluminum, -6 AN Female Threads, 0.875 in. O.D., Each
Part Number: VPE-11161
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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