Buy OEM 2021 Audi Part # 1K0998262. Oxygen Sensor (Rear). Oxygen Sensor - Repair or Replace A failed Oxygen Sensor will often have no noticeable symptoms beyond a check

Ft Oxygen Sensor. Oxygen (O2) Sensor KT.
From Chassis/VIN 1J-X-697 003. Oxygen Sensor. To Chassis/VIN 1J-X-697 002. To Chassis/VIN 8N-1-034 000.

Oxygen Sensor

Fits A4, A6, A8, allroad, RS4, S4, TT

Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your 2021 Audi to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.