Product Description
Genuine GM 19420911 Camshaft Position Sensor for Gen 3 LS Engines
Fits 1999–2006 GM Gen 3 LS-Based V8 Engines | 4.8L, 5.3L, 5.7L, 6.0L Applications
Ensure accurate timing and dependable performance with the Genuine GM 19420911 Camshaft Position Sensor. Unlike cheap aftermarket options that often fail prematurely, this OEM sensor is sourced directly from General Motors for guaranteed fit and factory-level reliability. Designed specifically for Gen 3 LS engines, this sensor installs at the rear of the block behind the intake manifold and is not compatible with Gen 4 LS engines that feature a timing cover-mounted sensor.
Key Features
- OEM Quality Construction: Manufactured by General Motors to meet or exceed factory performance standards, ensuring long-term reliability and accurate signal output.
- Direct Fit Design: Installs in the original location at the rear of the engine block for Gen 3 LS engines—no modifications or adapters required.
- Accurate Engine Timing: Provides precise camshaft position feedback to the ECM for improved drivability, fuel economy, and performance.
- Superior Durability: Built to withstand the high heat and vibration conditions of performance and daily-driven LS applications.
- Gen 3 Specific: Fits LS-based engines with the rear-mounted camshaft sensor—will not fit Gen 4 engines with front cover-mounted sensors.
Key Fitments
- Engines: LS1, LS6, LQ4, LQ9, LR4, LM7, L59, LM4, L33 (Gen 3 LS-Based 4.8L, 5.3L, 5.7L, and 6.0L V8 engines).
- Platforms:
Cadillac CTS (2004–2005), Escalade (2002–2006);
Chevrolet Avalanche 1500 (2002–2006), Camaro (1999–2002), Corvette (1999–2004), Express 1500 (2003–2007), Express 2500 (2003–2007), Express 3500 (2003–2007), Silverado 1500 (1999–2006), Silverado 1500 Classic (2007), Silverado 2500 (1999–2006), Silverado 2500 Classic (2007), Silverado 3500 (2001–2006), Silverado 3500 Classic (2007), SSR (2003–2004), Suburban (2000–2006), Tahoe (2000–2006), Trailblazer (2003–2004);
GMC Envoy (2003–2004), Savana (2003–2007), Sierra 1500 (1999–2006), Sierra 1500 Classic (2007), Sierra 2500 (1999–2006), Sierra 2500 Classic (2007), Sierra 3500 (2001–2006), Sierra 3500 Classic (2007), Yukon (2000–2006), Yukon XL (2000–2006);
Hummer H2 (2003–2007); Isuzu Ascender (2003–2004); Pontiac Firebird (1999–2002), GTO (2004). - Notes: Designed exclusively for Gen 3 LS engines with rear-mounted camshaft position sensors. Not compatible with Gen 4 LS/LT engines featuring front cover sensor locations.
