Knock Sensors

Knock Sensors – Replacement Engine Knock Detection Sensors

Shop replacement automotive knock sensors at Shop4AllParts. Explore vehicle-specific engine sensors for compatible cars, SUVs, vans and other vehicles equipped with electronic knock-detection systems.

A knock sensor detects engine vibrations associated with abnormal combustion, commonly known as engine knock or detonation. It sends an electrical signal to the engine management system, which can use the information to adjust ignition timing and other operating parameters, depending on the vehicle.

Our collection includes replacement knock sensors for a range of engine applications, with different electrical connections and mounting configurations.