Knock Sensor, Set of 2

Overview A knock sensor detects engine vibrations associated with knocking or irregular combustion and sends a signal to the engine control computer to adjust ignition timing. Key Features - Detects vibrations associated with engine knock or irregular combustion - Sends a signal to the engine control computer Reference Numbers Interchange: 213-3521 What's Included 2 x Knock Sensor; wiring harness included (quantity not stated) Vehicle Applications Chevrolet Silverado GMC Sierra