ACDelco GM Original Equipment Ignition Knock (Detonation) Sensors monitor the engine for pinging or spark knock, and are GM-recommended replacements for your vehicle's original components. These sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses these signals to adjust the ignition timing and air/fuel mixture. These original equipment ignition knock sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

• Sends signals to the engine control module (ECM) to adjust timing
• Helps prevent damage to the engine caused by pre-ignition
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

Connector Gender:	Female
Connector Quantity:	1
Connector Shape:	Oval
Height (in):	0.8
Length:	2.03
Length:	51.56
Mounting Hardware Included:	No
Terminal Gender:	Male
Terminal Quantity:	2
Terminal Type:	Blade
Weight (lb):	0.08
Width (in):	1.1
Wiring Harness Included:	No

• 2011-2015 Chevrolet Cruze
• 2011-2015 Chevrolet Volt
• 2012-2020 Chevrolet Sonic
• 2013-2021 Buick Encore
• 2013-2021 Chevrolet Trax
• 2014-2016 Cadillac ELR
• 2016 Chevrolet Cruze Limited