O2 Bung and Plug (O2 B&P)

The Link ECU O2 Bung and Plug offers a complete hardware solution for mounting oxygen sensors in exhaust systems during performance tuning installations. This precision-engineered bung welds directly into exhaust pipework, providing a secure threaded boss for wideband lambda sensors. The included plug allows the port to be sealed when sensor removal is required for maintenance or diagnostics. Manufactured to OEM standards, this kit ensures leak-free sensor placement and accurate air-fuel ratio readings critical for ECU calibration work. An essential component for professional workshops conducting Link ECU installations and dyno tuning.