Oxygen Sensor Boss & Blanking Plug Set Mazda designed to reduce oil temperatures

designed to reduce oil temperatures effectively without causing excessive pressure drop

ensuring efficient oil flow

and screws up to a shoulder to confirm correct fitment

Large Set Includes

Oxygen Sensor Boss & Blanking Plug Set Mazda designed to reduce oil temperaturesA steel lambda oxygen O2 wideband boss for welding into your exhaust system, complete with blaking plug and copper washer. M18x1. 5 thread compatible with most aftermarket and factory oxygen sensors CNC machined for exact tolerances Available in mild steel and stainless steel to suit different exhausts Can be MIG, TIG or gas welded The parts are also available separately, please check our other listings.