Upstream/Downstream Oxygen Sensor for Audi A4 A6 Quattro Cayenne

Includes: - Oxygen Sensor

Fits Models: - Audi A4, A6, Quattro, Cayenne, Passat

Model Years: - Check fitment before purchase

Submodels: - Common trims include Premium, Premium Plus, and Prestige for A4 and A6; Cayenne may include Base, S, and Turbo; Passat includes SE, SEL, and R-Line. Chassis codes: B6, B7 for A4; C5, C6 for A6; 9PA for Cayenne; B7 for Passat.

Engine Options: - Common engine sizes include 2.0L I4, 3.0L V6, 4.2L V8 for A4 and A6; 3.6L V6, 4.8L V8 for Cayenne; 2.0L I4, 3.6L V6 for Passat. Engine codes may include CAEB, BDX, and BHK.

Description: This oxygen sensor is designed for optimal performance in various Audi and Porsche models. It monitors the exhaust gases to ensure efficient engine operation and reduced emissions.

Features: - Direct fit replacement for specified models - Improves fuel efficiency and engine performance - Durable construction for long-lasting use - Easy installation with no modifications required