Knock Sensor Shield – GM (12657085)

a Knock Sensor Shield from GM Genuine Parts, part 12657085, is a direct replacement for the unit fitted at the factory. It replaces a sensor that has gone noisy or failed its self-test. Catalogue application notes: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. Verify 12657085 against your vehicle’s parts listing first; where a number has been superseded, the later release is the part supplied. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Ships from our US warehouse.