Custom exhaust build or repairing a stripped O2 sensor port? These M18 x 1.5 weld bungs give you a clean, secure mounting point for your oxygen sensor.
Universal M18 x 1.5 thread — the standard size for most oxygen/lambda sensors.
304 stainless steel — strong, rust-resistant, and rated for high exhaust temperatures.
Notched base — sits flush on curved or flat pipe for a stable, clean weld.
4 bungs per pack — covers multi-sensor setups or replacements.
Great for custom fabrication — reposition sensors, build turbo manifolds, or repair damaged exhausts.
Get your exhaust project done right with these weld-on O2 sensor bungs.
