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

High quality coated windings to improve durability and provide protection against internal shorts and dielectric breakdown Silicone steel plates surrounding the ignition coil correctly match the original part size and number exactly Laminations are coated to hinder corrosion and many feature molded plastic protection to help ensure that nothing is exposed

Spark Plug

6.0L. Iridium. Vendor:acdelco. Vendor #41-985. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components Iridium composition provides a high melting point and great strength, helps to provide excellent wea ...

Sends signals to the engine control module (ECM) to adjust timing Helps prevent damage to the engine caused by pre-ignition

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