This knock sensor fits select 2009-2016 Buick, Chevy, GMC, Pontiac and other applications and detects the vibration frequencies of engine detonation so the engine computer can retard ignition timing.

Walker Products 242-1192 Knock Sensor Features:

• Fits 2010 Buick LaCrosse, Chevy Equinox, GMC Terrain; 2011-2013 Buick Regal; 2013-2016 Buick Verano; 2009-2010 Chevy Cobalt, HHR, Malibu, Pontiac G6, Saturn Sky, Vue
• Fits 2009 Pontiac G5, Solstice, Saturn Aura; 2011 Saab 9-5
• Engine coverage includes 2.0L I4, 2.2L I4, 2.4L I4 applications
• Female rectangle electrical connector with 2 blade terminals
• 285 mm (11.2 in.) overall length
• 190 mm (7.5 in.) wiring harness
• Includes mounting hardware and wiring harness