Goss Oxygen Sensor - 4 Wire - Mazda, Subaru - OX839 HSV Jackaroo NTK Oxygen Sensor - UAA0004-EE001

NTK Oxygen Sensor - UAA0004-EE001

NGK Racing Spark Plug - R6061-9

NTK Oxygen Sensor - AFR722-EE80

NTK Oxygen Sensor - OZA519-D1

NGK Spark Plug - BKR6EKUB

Goss Oxygen Sensor - 4 Wire - Mazda, Subaru - OX839 HSV Jackaroo NTK Oxygen Sensor - UAA0004-EE001For 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.