Product Description
Michigan Motorsports Knock Sensor Harness with OEM GM Knock Sensors 12589867
Fits Gen 3 GM LS-Based Engines | Includes OEM GM Knock Sensors & Harness | Direct Replacement Kit
Restore proper knock sensor operation and engine protection with the Michigan Motorsports Knock Sensor Harness Kit featuring OEM GM Knock Sensors. Designed for Gen 3 GM LS-based engines, this complete replacement kit includes a new knock sensor harness along with two OEM GM knock sensors for dependable performance and accurate knock detection. Unlike many aftermarket alternatives known for reliability issues, OEM GM sensors provide the durability, signal accuracy, and long-term performance required for proper ignition timing control and engine management. This kit is ideal for repairing moisture-damaged sensors, resolving knock sensor trouble codes, or refreshing aging LS engine components during intake manifold service, maintenance, or engine rebuilds.
Key Features & Benefits
- Complete Knock Sensor Repair Kit: Includes one knock sensor harness and two OEM GM knock sensors for a complete LS engine repair solution.
- OEM GM Knock Sensors Included: Features genuine OEM-style GM sensors for superior reliability, durability, and accurate engine knock detection.
- Direct Replacement Fitment: Designed to match factory LS engine harness and sensor specifications for simple installation.
- Restores Engine Performance: Proper knock sensor operation allows accurate ignition timing control and helps prevent detonation-related engine damage.
- Ideal for Maintenance & Repairs: Perfect for resolving knock sensor codes, drivability issues, or replacing moisture-damaged factory sensors.
Kit Contents & Key Fitments
- Replaces Dealer Part Numbers: 10456603, 12589867, 12601822, 8104566030
- Kit Includes: (1) Knock Sensor Harness and (2) Knock Sensors
- CADILLAC CTS 2004-2005
- CADILLAC ESCALADE 2002-2006
- CHEVROLET AVALANCHE 1500 2002-2006
- CHEVROLET CAMARO 1999-2002
- CHEVROLET CORVETTE 1998-2004
- CHEVROLET EXPRESS 1500 2003-2007
- CHEVROLET EXPRESS 2500 2003-2007
- CHEVROLET EXPRESS 3500 2003-2007
- CHEVROLET SILVERADO 1500 1999-2006
- CHEVROLET SILVERADO 2500 1999-2006
- CHEVROLET SILVERADO 3500 2001-2006
- CHEVROLET SSR 2003-2004
- CHEVROLET SUBURBAN 1500 2000-2006
- CHEVROLET SUBURBAN 2500 2000-2006
- CHEVROLET TAHOE 2000-2006
- CHEVROLET TRAILBLAZER 2003-2004
- GMC ENVOY 2003-2004
- GMC SAVANA 1500 2003-2007
- GMC SAVANA 2500 2003-2007
- GMC SAVANA 3500 2003-2007
- GMC SIERRA 1500 1999-2006
- GMC SIERRA 2500 1999-2006
- GMC SIERRA 3500 2001-2006
- GMC YUKON 2000-2006
- GMC YUKON XL 1500 2000-2006
- GMC YUKON XL 2500 2000-2006
- HUMMER H2 2003-2007
- PONTIAC FIREBIRD 1999-2002
- PONTIAC GTO 2004
Product Videos
Custom Field
Product Reviews
3 Reviews Hide Reviews Show Reviews
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Knock sensors
These are the best sensors to use , all the others don't last
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Knock Sensors and Wire Harness
Knock sensors threw no codes after install unlike some aftermarket sensors. Wire harness caps fit properly, good seal.
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Knock sensor kit
Worked perfectly out the box no more codes.. Suggest not to grab the cheap stuff do this job once.
