Oxygen Sensor Allen Key Plug When O 2 Sensor Is Removed

Aeroflow performance features a range of different styles of high-quality weld onbungs and plugs to suit any m18 x 1. 5mm oxygen sensors.  the oxygen sensor bung is a must have accessory for installing your wide-band oxygen sensor to your exhaust pipe. Especially if you are making custom headers, or justrequire a o2 sensor in your system for data logging, engine management or test equipment. Works with bosch lsu4. 2, bosch lsu4. 9 and Aeroflow performance (af49-7501) wideband oxygen sensors. This range of bungs and plugs are available in three different materials zinccoated steel, cs1030 steel and304 stainless steel to suit any application.