O2 Sensor Bung and Plug Kit M18 x 1.5 Stainless, Curved or Flat Weld Bung with Blanking Plug

Everything you need to add or blank off an oxygen sensor port. The curved bung is shaped to sit on round exhaust pipe, the flat bung suits flat flanges and collectors, and the plug seals the hole when the sensor is out.

• M18 x 1.5 thread, standard O2 sensor size
• Curved bung suits about 63 mm (2.5") pipe
• Plug, curved bung, flat bung, or kits
• Stainless steel

Frequently asked questions

What is an O2 bung plug for?
It seals the bung when you remove the sensor, for example after a dyno tune with a wideband.

Curved or flat bung?
Curved for round exhaust pipe, flat for plates, flanges and large collectors.

Quality and warranty

• Made in China from 304 stainless steel
• 2-year repair or replacement warranty against defects in materials and workmanship, on top of your rights under Australian Consumer Law
• Sold and backed by Tucks Performance, an Australian-owned business. Not sure what you need? Send us a message

Delivery: ships direct from our supplier partner, usually 10 to 20 days.