The STM aluminum oxygen sensor weld bung allows you to add bungs to your custom aluminum exhaust parts. These bungs are extra thick with a 1/4″ wall to reduce the chance of warping when welding. Sold individually, price is for one bung.
Vehicle Fitment:
Universal Product
• Must be welded on
Specs:
• M18 x 1.5 Thread
• Accepts all standard O2 sensors
• 1/4″ wall to reduce warping when welding
Install Notes:
The matching Steel Plug (1195) is also available, sold separately.
Previous Part Number: STM-AL-BNG
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Best Sellers
STM Aluminum O2 Sensor Weld Bung (AL02)
Original price was: $9.95.$2.98Current price is: $2.98.


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