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Knock sensor, OEM code 07D 905 377, removed from an Audi A4 Cabriolet 1.8 T donor vehicle (2002–2009). This sensor detects engine detonation and sends signals to the engine control unit to adjust ignition timing and prevent damage. Verify the OEM code matches your original unit before ordering to ensure correct fitment.
Knock sensor, OEM code 07D 905 377, removed from an Audi A4 Cabriolet 1.8 T donor vehicle (2002–2009). This sensor detects engine detonation and sends signals to the engine control unit to adjust ignition timing and prevent damage. Verify the OEM code matches your original unit before ordering to ensure correct fitment.
