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1K0121205J (and others) Type Engine Cooling Fan Assembly Voltage 12V DC
Engineered for 2
Make Model Years Engine Volkswagen Passat 1998–1999 2
Precise Valve Timing: Restores proper cam phasing for better power and economy
5V8 Mercedes-Benz S500 1997–2002 5
Bosch Upstream Oxygen Sensor (17115) – Fits Audi A4 B9, A6 C7 performance brake 1K0121205J (and others) Type EngineBosch oxygen sensor (part 17115) is a high quality upstream (pre catalyst) sensor designed for select Audi A4 and A6 models with 2. 0L engines. It accurately measures exhaust oxygen content to optimize air fuel ratio, improving fuel efficiency and reducing emissions. OE quality construction provides long service life and a direct fit replacement. Key Features & Benefits Precise upstream measurement: Ensures optimal air fuel ratio for efficient