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Knock sensor for Audi A4 Cabriolet (2002–2009) with 1.8T BFB engine. OEM code 06C905377. This sensor detects engine knock and allows the engine control unit to adjust ignition timing for optimal performance and protection. Verify the OEM code matches your original unit before ordering.
Knock sensor for Audi A4 Cabriolet (2002–2009) with 1.8T BFB engine. OEM code 06C905377. This sensor detects engine knock and allows the engine control unit to adjust ignition timing for optimal performance and protection. Verify the OEM code matches your original unit before ordering.
