Product Description
Genuine GM 12623730 Knock Sensor
OEM Engine Knock Sensor | Fits Gen IV LS Engines 4.8L 5.3L 6.0L 6.2L
The Genuine GM 12623730 Knock Sensor is the original equipment sensor used on many Gen IV LS-based V8 engines. This sensor monitors engine vibration and detects detonation (engine knock), allowing the engine control module to adjust ignition timing and protect the engine from potential damage. Manufactured to strict GM OE specifications, this knock sensor ensures precise communication with the ECU to maintain optimal performance, fuel efficiency, and engine reliability. Whether replacing a failed sensor or performing engine maintenance, this Genuine GM component restores factory-level performance and durability.
Key Features & Benefits
- Genuine GM Original Equipment – Designed and validated by General Motors to meet strict OEM specifications for fit, reliability, and long-term performance.
- Monitors Engine Detonation – Detects harmful engine knock and sends signals to the ECU to adjust ignition timing and protect internal engine components.
- Restores Engine Performance – Helps maintain proper ignition timing and fuel efficiency by providing accurate engine vibration data to the control module.
- Direct Replacement Fitment – Installs easily as a factory replacement sensor for many Gen IV LS engines used in GM trucks, SUVs, and performance vehicles.
- Engine Protection & Reliability – Helps prevent detonation damage by allowing the engine management system to react quickly to abnormal combustion conditions.
Engine Compatibility
- Gen IV LS V8 Engines
- 4.8L / 5.3L / 6.0L / 6.2L
Key Fitments
- CHEVROLET AVALANCHE 2007-2013
- CHEVROLET CAMARO 2010-2015
- CHEVROLET CORVETTE 2005-2013
- CHEVROLET SILVERADO 2007-2013
- CHEVROLET SS 2014-2017
- CHEVROLET SSR 2005-2006
- CHEVROLET SUBURBAN 2007-2014
- CHEVROLET TAHOE 2007-2014
- GMC CANYON 2007-2012
- GMC ENVOY 2005-2009
- GMC SAVANA 2008-2014
- GMC SIERRA 2007-2013
- GMC YUKON 2007-2014
- HUMMER H2 2008-2009
- HUMMER H3 2007-2010
- PONTIAC G6 2005-2010
- PONTIAC G8 2008-2009
- PONTIAC GTO 2005-2006
Cross Reference
- GM Part Number: 12623730
- ACDelco Part Number: 213-1576
