Knock Sensor

A knock sensor listens for engine knock, also called detonation, so the engine computer can retard timing and protect the engine. We carry 32 knock sensors from $14 to $146 for engines from 1994-2020, from Delphi, Standard Motor Products, AC Delco and Bosch, with fits for the Chevrolet Impala, Nissan Maxima and Honda Accord.