Goss Oxygen Sensor - 4 Wire - Holden - OX873 AFR722-EE61 NGK Iridium Spark Plug -

NGK Iridium Spark Plug - BPR8HIX

MAZDA 3 SP25

NGK Platinum Spark Plug - LZFR6AP11GS

NGK Platinum Spark Plug - MR8AP8HJS

NTK Oxygen Sensor - AFR722-EE81

Goss Oxygen Sensor - 4 Wire - Holden - OX873 AFR722-EE61 NGK Iridium Spark Plug -For correct fitment, go to the Goss Online Catalogue and find your relevant part number. Once you have that part number, find it here using our "Search" page. The Oxygen Sensor (or Lambda sensor) is an electronic device that measures oxygen content in the exhaust gases of an engine. It outputs a signal to the engine control unit (ECU), which adjusts the air fuel mixture to obtain the required level.