The knock sensor is a direct replacement for select 2004-2018 Chevy, Pontiac and Suzuki applications. It detects the vibration frequencies of engine detonation so the engine computer can retard ignition timing.

Walker Products 242-1076 Knock Sensor Features:

• Fits 2004-2016 Chevy Aveo; 2007-2008 Chevy Aveo5; 2011-2015 Chevy Matiz; 2011-2018 Chevy Spark; 2006-2010 Pontiac Matiz; 2004-2008 Suzuki Forenza; 2004-2006 Suzuki Verona
• Fits 2005-2008 Suzuki Reno
• Engine coverage includes 1.0L I4, 1.2L I4, 1.4L I4, 1.6L I4, 2.0L I4, 2.5L I6 applications
• Female rectangle electrical connector with 3 blade terminals
• 375 mm (14.8 in.) overall length
• 2.92 mm (0.1 in.) wiring harness
• Includes wiring harness
• Mounting hardware not included