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0 L4 Audi A4 Quattro 2006 3
preventing annoying whining noises and ensuring passenger comfort
8 TFSI Audi A3 Convertible (8P7) 2008–2009 1
99634351505
Audi VW Knock Sensor 054905377A Bosch 0261231038 Xenon Control Unit 0 L4 Audi A4 QuattroThe 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