Audi VW Knock Sensor 054905377A Bosch 0261231038 Injector Nozzle 7H4 Audi Fox 1973–1974 1

7H4 Audi Fox 1973–1974 1

and Cooper Paceman from 2007-2016

including BMW

0L4 Audi A4 Quattro 2005–2009 2

Audi VW Knock Sensor 054905377A Bosch 0261231038 Injector Nozzle 7H4 Audi Fox 1973–1974 1The 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