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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.
Weld-In Bung and Fitting, J-Style Oxygen Sensor Fitting, Stainless Steel, M18 x 1.5 Female Threads, Each
Part Number: VPE-19019
Estimated Ship Date: Today
Estimated Ship Date: Today
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Fitting, Bung, Weld-In, Oxygen Sensor, Steel, 18mm x 1.5, Each
Part Number: SUM-G2990
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor Fitting, Adapter, 304 Stainless Steel, Each
Part Number: VPE-19021
Estimated Ship Date: Today
Estimated Ship Date: Today
Bung, Weld-In, Flanged, Aluminum, -16 AN Male Threads, Each
Part Number: ICB-AN970-16A
Estimated Ship Date: Today
Estimated Ship Date: Today
Bung, Weld-In, Flanged, Aluminum, -10 AN Male Threads, Each
Part Number: ICB-AN970-10A
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Oxygen Sensor, 304 Stainless Steel, 18mm x 1.5, Each
Part Number: SUM-630581
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, O2 Bung, Weld-In, Oxygen Sensor, 18mm x 1.5, 304 Stainless Steel, Saddle Type, Each
Part Number: SUM-630590
Estimated Ship Date: Today
Estimated Ship Date: Today
Bung, Weld-In, Flanged, Aluminum, -12 AN Male Threads, Each
Part Number: ICB-AN970-12A
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor Bungs, Stainless Steel, 18mm x 1.5, Set of 5
Part Number: VPE-1194
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor Fitting, Stainless Steel, 18mm x 1.5 Thread, Saddle Style, Each
Part Number: VPE-1188
Estimated Ship Date: Today
Estimated Ship Date: Today
Bung, Weld-In, Flanged, Aluminum, -20 AN Male Threads, Each
Part Number: ICB-AN970-20A
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, EGT Sensor, Stainless Steel, 1/4 in., 8-piece, Set
Part Number: HLY-543-163
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 1/4 in. NPT, Aluminum, Each
Part Number: SUM-220071
Estimated Ship Date: Jun 16, 2025 if ordered today
Estimated Ship Date: Jun 16, 2025 if ordered today
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We recommend these similar substitute parts:
Fitting, Bung, Weld-in, 1/8 in. NPT Female Threads, Stainless Steel, Each
Part Number: VPE-1197
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 3/8 in. NPT, Aluminum, Each
Part Number: SUM-220072
Estimated Ship Date: Jul 22, 2025 if ordered today
Estimated Ship Date: Jul 22, 2025 if ordered today
Need It Sooner?
We recommend these similar substitute parts:
Fitting, Bung, Weld-In, Oxygen Sensor, Female 18mm x 1.5, Stainless Bung, Steel Plug, Each
Part Number: NGK-91301
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Oxygen Sensor, Steel, 18mm x 1.5, Each
Part Number: EAR-OXY018ERL
Estimated Ship Date: Today
Estimated Ship Date: Today
Weld Bung, Aluminum, - 10 AN Male Thread, 1.125 in. Outside Diameter, Each
Part Number: VPE-11153
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor Bung, Stainless Steel, 18mm x 1.5, Each
Part Number: VPE-1194A
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, O2 Bung, Weld-In, Oxygen Sensor, 18mm x 1.5, 304 Stainless Steel, Each
Part Number: SUM-630591
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Oxygen Sensor, Stainless Steel, 18mm x 1.5, Each
Part Number: EAR-SSOXY018ERL
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 1/8 in. NPT, Aluminum, Each
Part Number: SUM-220070
Estimated Ship Date: Jul 22, 2025 if ordered today
Estimated Ship Date: Jul 22, 2025 if ordered today
Need It Sooner?
We recommend these similar substitute parts:
Fitting, Bung, Weld-In, Female 1/2 in. NPT, Aluminum, Each
Part Number: SUM-220073
Estimated Ship Date: Jul 22, 2025 if ordered today
Estimated Ship Date: Jul 22, 2025 if ordered today
Need It Sooner?
We recommend these similar substitute parts:
Weld Bung, Aluminum, - 12 AN Male Thread, 1.375 in. Outside Diameter, Each
Part Number: VPE-11154
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Weld Bung, Aluminum, - 16 AN Male Thread, 1.625 in. Outside Diameter, Each
Part Number: VPE-11155
Estimated Ship Date: Today
Estimated Ship Date: Today
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Summit Racing™ Oxygen Sensor Bungs SUM-G2990
