Camshaft Position Sensor For Buick Rainier, Chevrolet Cobalt SS, Colorado, Trailblazer, GMC Canyon, Envoy, And Isuzu Ascender - Beefed-Up OE Replacement 12568715 12571266 PC403 917-714 12584079 2131557 2CAM0099

Single OE Camshaft Position Sensor for GM Vehicles
✔️ Beefed-up OE replacement camshaft sensor fits GM trucks, SUVs

A camshaft position sensor monitors the cam timing and rotation and provides timing signals to the engine control unit. This helps coordinate ignition timing and fuel injection for GM-based engines. It's commonly used in Buick Rainier, Trailblazer, Envoy, Colorado, Canyon, Isuzu Ascender, Saab 9-7x, and related models to maintain smooth engine performance.

✅ Replacement numbers include 12584079, 12568715, 12571266, PC403, 917-714, 2131557
✅ Compatible with Buick Rainier (2004-2005), Chevrolet Cobalt SS (2005-2007), Colorado (2004-2006), Trailblazer (2002-2006), Canyon (2004-2006), Envoy (2002-2005), Isuzu Ascender (2003-2006)
✅ OE-style fit ensures correct alignment and electrical connector compatibility
✅ Installation and testing guidance helps avoid timing faults and engine damage

💡 What is a camshaft position sensor used for in GM engines and why replace it with an OE unit?

The cam position sensor is a handy component that helps engine timing and reliability.

- It reports cam position to the engine control module to time ignition and fuel injection
- Replacing with OE units maintains timing accuracy and reduces misfires
- Handy for keeping GM trucks and SUVs running smoothly over time