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99634351505
8 TFSI Audi A3 Convertible (8P7) 2008–2009 1
Worn transmission mounts can cause vibrations
meeting or exceeding OEM standards
This sensor also replaces multiple OEM part numbers for versatile fitment
Audi VW Knock Sensor 054905377A Bosch 0261231038 Xenon Control Unit 99634351505The Bosch Knock Sensor 0261231038 detects engine knock (detonation) and signals the ECU to adjust ignition timing, preventing engine damage. This OE quality sensor fits a wide range of Audi and Volkswagen models from the 1980s through mid 2000s, providing reliable protection and easy calibration free installation. Key Features & Benefits Direct Replacement: Replaces OEM 054905377A and Bosch 0261231038. Prevents Engine Damage: Detects knock and adjusts