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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.
Showing In Stock Items. Show All 18 Items.
Bung, Weld-In, Oxygen Sensor Bung Type, 18mm Female Threads, Steel, Each
Part Number: HED-24060
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 3/8 in. NPT, Aluminum, Each
Part Number: RUS-670760
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 1/2 in. NPT, Aluminum, Each
Part Number: RUS-670770
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Weld-In Bungs and Fittings, Aluminum, Natural, -10 AN Male, 7/8-14 SAE Threads, Each
Part Number: RUS-670600
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 1/8 in. NPT, Aluminum, Each
Part Number: RUS-670740
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Weld-In Bung; Male AN Weld Bung; -10AN; Straight Thread 7/8 in.-14; Steel
Part Number: RUS-683720
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 3/4-14 in. , Aluminum, Each
Part Number: RUS-670780
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 1/4 in. NPT, Aluminum, Each
Part Number: RUS-670750
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Male 12 AN, Aluminum, Each
Part Number: RUS-670610
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fitting, Bung, Weld-In, Male 8 AN, Aluminum, Each
Part Number: RUS-670590
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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Estimated Ship Date: Today
Weld-In Bung; Male AN Weld Bung; -06AN; Straight Thread 9/16 in.-18; Steel
Part Number: RUS-683700
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Fitting, Bung, Weld-In, Female 8 AN, Aluminum, Each
Part Number: RUS-640100
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Fitting, Bung, Weld-In, Male 6 AN, Aluminum, Each
Part Number: RUS-670580
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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Estimated Ship Date: Today
Fitting, Bung, Weld-In, Female 1-12 in. NPT, Aluminum, Each
Part Number: RUS-670790
Not Yet Reviewed
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
Fitting, Bung, Weld-In, Female 10 AN, Aluminum, Each
Part Number: RUS-640110
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Weld-In Bung; Male AN Weld Bung; -08AN; Straight Thread .75 in.-16; Steel
Part Number: RUS-683710
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Fitting, Bung, Weld-In, Female 6 AN, Aluminum, Each
Part Number: RUS-640090
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
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