Crankshaft Position Sensor

Helps keep engine timing and fuel injection running in sync Helps provide proper alignment, positioning, and spacing for easy installation Synchronizes engine valves and pistons for excellent engine performance

Knock Sensor

4.8, 5.3 & 6.0L. 5.3l. Corvette. 2nd design. 5.7L, without locating tab. Hummer H2. CTS. 5.7l. SSR. GTO. Sends signals to the engine control module (ECM) to adjust timing Helps prevent damage to the engine caused by pre-ignition

Electronically informs the ECM of the throttle valve angle Used to regulate the fuel and ignition system

Helps keep engine timing and fuel injection running in sync Helps provide proper alignment, positioning, and spacing for easy installation Synchronizes engine valves and pistons for excellent engine performance This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

ACDelcoâ„¢ Crankshaft Position Sensor

ACDelcoâ„¢ Coolant Temp Sensor