The Vibrant Performance motorcycle oxygen sensor weld bung is made for mounting a motorcycle O2 sensor into an exhaust system. This version features Grade 5 titanium construction with an M12 x 1.25 thread for a secure, weldable fit.
- Type: motorcycle O2 sensor weld bung
- Thread: M12 x 1.25
- Material: Grade 5 titanium
- Application: motorcycle oxygen sensor mounting
- Part number: 12409
FAQ
What thread does this weld bung use?
It uses an M12 x 1.25 thread sized for motorcycle oxygen sensors.
What material is this bung?
This version is made from Grade 5 titanium.
What is it used for?
It provides a weld-in mounting location for a motorcycle O2 sensor in an exhaust system.

