Audi Oxygen O2 Sensor - Pre Cat Upstream 077906265J
OEM Part #:
077-906-265-J
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Audi Oxygen O2 Sensor - Pre Cat Upstream 077906265J
OEM Part #:
077-906-265-J
Audi Oxygen O2 Sensor - Pre Cat Upstream 077906265J
OEM Part #:
077-906-265-J
This item ships free!
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Oxygen O2 Sensor - Pre Cat Upstream
Part Number: 077906265J
This upstream oxygen sensor, located before the catalytic converter on the left or right side of the vehicle, plays a critical role in monitoring exhaust gas composition and optimizing engine performance. Commonly encountered issues such as poor fuel efficiency, increased emissions, and rough idling may arise from a malfunctioning sensor. Compatible with various Audi models including 2003 A8 Quattro (4.2L V8), 2003 S8 (4.2L V8), 2002 A6 Quattro (4.2L V8), 2002 A8 Quattro (4.2L V8), and S6 Avant (4.2L V8). Interchangeable with other part numbers for specific fitment needs. Key for ensuring precise air-fuel mixture and emissions control.