ECM

This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle

Coil stamped 19005218. Express, savana. 6.0l. Express, savana. 4.8l. Hummer H2. 5.3, 6.0L. 5.3L. Round. Vendor:delphi. SSR.

Wire

8 cylinder. 4.8, 5.3 & 6.0L. 2003-05, 5.3L. 2003-07, delphi. Insulated to help protect the interior conductor wire Form fitting boots on each end prevent moisture from entering the coil or distributor

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

Crankshaft 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