SierraMarine 187677 Knock Sensor

For MCM/ MIE GM V-8 305 350 And 377 CID Engines; Fits OMC Stern Drive/ Mercruiser Stern Drive/ Volvo Penta Engines

The SierraMarine 187677 Knock Sensor is a replacement engine monitoring component designed to help detect abnormal vibration or combustion-related knock. By sensing engine vibration and transmitting a corresponding signal to the control system, a properly functioning knock sensor supports accurate engine monitoring and helps the system respond to operating conditions. This sensor is intended for marine service applications where dependable component performance and correct