Ford Tourneo 2016 Rear Oxygen Sensor GK29-9G444-DA Original Replacement

This rear oxygen sensor is designed for Ford Tourneo Custom (2016) 2.0T EcoBoost gasoline engines, compatible with all 2016–2019 model ranges. It monitors exhaust oxygen content and feeds data to the ECU to optimize air-fuel ratio for catalytic converter efficiency and emission reduction. OEM number GK29-9G444-DA; factory replacement cross-references GK29-9G444. Replacement difficulty medium; requires removing subframe underbody shield with a special socket; operation best performed cold to avoid burns. As standard OEM replacement, sensor uses high-temperature ceramic element; service life 80,000–100,000 km; suitable for bulk stock to cover Tourneo owners’ common repairs.