Dorman Knock Sensor Grommets

Dorman knock sensor grommets provide an easy solution for a high-failure prone grommet. A properly functioning knock sensor seal is critical to the life and function of the sensor, as failure can cause poor running conditions and CEL. These knock sensor grommets provide a reliable seal to prevent oil from exiting the engine block, contaminating the sensor and damaging surrounding components. This quality replacement part has been thoroughly tested to meet product standards to ensure a longer service life of the part.