The knock sensor is a direct replacement for select 1998-2012 Chevy, Daewoo and Isuzu applications. It detects the vibration frequencies of engine detonation so the engine computer can retard ignition timing.

Walker Products 242-1082 Knock Sensor Features:

• Fits 2004-2012 Chevy Chevy; 1999-2002 Daewoo Lanos, Leganza, Nubira; 1998-2000 Isuzu Amigo; 1998-2003 Isuzu Rodeo; 2001-2003 Isuzu Rodeo Sport
• Engine coverage includes 1.6L I4, 2.0L I4, 2.2L I4 applications
• Female oblong electrical connector with 2 blade terminals
• 304.9 mm (12 in.) wiring harness
• Includes wiring harness
• Mounting hardware not included