Product Description
Michigan Motorsports Gen 3 LS Engine Knock Sensor Wiring Harness
Direct Replacement Knock Sensor Harness – Replaces Dealer Part Number 12601822
Replace the original knock sensor wiring harness on a compatible Gen 3 GM LS-based gasoline V8 engine with this Michigan Motorsports replacement harness. Designed as a direct replacement for the factory harness, it replaces dealer part number 12601822 and provides the corresponding electrical connection for the engine knock sensors. Applications include select Cadillac, Chevrolet, GMC, Hummer and Pontiac performance cars, pickup trucks, SUVs and full-size vans. Exact supported vehicle and model-year ranges are listed below.
Key Features & Benefits
- Direct Replacement Harness: Designed to replace the original knock sensor wiring harness in the supported Gen 3 GM LS-based engine applications. Its application-specific configuration provides a dedicated replacement for the corresponding factory harness.
- Replaces Dealer Part Number 12601822: Cross-references the original dealer harness number to help identify the correct replacement component. This Michigan Motorsports harness is a replacement product and is not represented as a Genuine GM part.
- Gen 3 LS Engine Compatibility: Fits the supplied Generation III GM LS-based gasoline V8 applications. Coverage includes compatible performance cars, pickups, SUVs and full-size vans using the corresponding knock sensor harness configuration.
- Complete Harness-Level Replacement: Replaces the affected knock sensor wiring as a harness assembly rather than addressing the electrical connection as separate individual wiring components.
- Broad GM Vehicle Coverage: Supported applications span select Cadillac CTS and Escalade, Chevrolet Camaro, Corvette, Silverado, Tahoe and Suburban, GMC Sierra and Yukon, Hummer H2, Pontiac Firebird and GTO models.
Key Fitments
Fits the following applications (Gasoline V8 models only):
- 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
