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which helps to reduce engine wear and noise
the kit comes with a mounting manual and all necessary gaskets
9 TDI AUDI A4 B5 Avant (8D5) 1998–2000 1
Durable Construction: Built with high-grade materials to resist corrosion
Direct OE replacement: fits Boxster and 911 models listed
Bosch Oxygen Sensor – Upstream Air/Fuel Ratio Sensor for Porsche 911 3.8L (2010–2013) Airbox Relief Valve which helps to reduce engineThe Bosch upstream air fuel ratio sensor (part 17211) is an OEM quality replacement for Porsche 911 models with the 3. 8L engine from 2010 to 2013. It precisely measures oxygen in the exhaust gases and transmits data to the ECU to optimize fuel delivery, improving both efficiency and power output. Built to withstand extreme temperatures, this sensor ensures long lasting, reliable performance. Key Features & Benefits Precision Measurement: Accurately