- 18mm m18 x 1.5 thread weld-on boss bung and plug for standard o2 sensors.
- Heavy-duty construction ensures secure sensor mounting and leak-free sealing.
- Universal fitment suits a wide range of exhaust system modifications and repairs.
This 18mm O2 Oxygen Sensor Boss Bung and Plug is designed for easy installation of standard oxygen sensors. Made with a durable weld-on design, it provides a strong and reliable connection for exhaust system modifications or sensor repairs. Featuring an M18 x 1.5 thread, it is compatible with all standard O2 sensors. Ideal for custom exhaust projects, turbo setups or any application requiring a new sensor port.