Denso Upstream Air/Fuel Ratio Sensor for VW Jetta, Passat, Beetle and Audi A8 Auxiliary Cooling Fan Assembly 8L V6 or 2

8L V6 or 2

1 Timing Chain Tensioner Gasket Set OEM Cross-References 058198217

8 TSI VW PASSAT B7 (362) 2010–2013 2

0L4 BMW 340i GT xDrive 2017–2019 3

Part Number BS503L

Denso Upstream Air/Fuel Ratio Sensor for VW Jetta, Passat, Beetle and Audi A8 Auxiliary Cooling Fan Assembly 8L V6 or 2Denso Air Fuel Ratio Sensor (Part 234 5145) is a direct replacement upstream oxygen sensor designed for select Volkswagen and Audi models. It measures the oxygen content in exhaust gases to help the ECU adjust the air fuel mixture for optimal combustion. Denso's OE quality sensor improves fuel economy, reduces emissions, and restores engine performance. Key Features & Benefits Advanced Technology: Wide range air fuel ratio detection for precise fuel