- Knock Sensor
- Knock sensor detecting combustion knock so ignition or injection timing can be corrected
- Elta Automotive "EE2339" - Not available
ALFA ROMEO - 159, Brera, Spider; VAUXHALL - Vectra, Signum; OPEL - Vectra C, Signum; CADILLAC - CTS, BLS; SAAB - 9-3