Description: ACDelco Ignition Coil (Part Number: 12632479) is a high-quality ignition coil designed to deliver reliable high-voltage energy to spark plugs with protective construction to resist internal shorts and dielectric breakdown. Type: Ignition CoilFunction: Conv ...

Description: ACDelco Professional Iridium Spark Plug (Part Number: 12681660) is an ACDelco Professional iridium spark plug manufactured to GM OE standards for ignition performance and longevity. Iridium electrode construction delivers durable sparking, improved cold st ...

Description: ACDelco Ignition Knock (Detonation) Sensor (Part Number: 12729597) is a sensor assembly that detects engine knock (detonation) and provides feedback to the engine control for timing adjustments. Function: Detects knock/engine detonation and signals ECU to ...

Description: GM Genuine Parts Engine Crankshaft Position Sensor (Part Number: 12615626) is an OE crankshaft position sensor that provides precise crankshaft position information to the engine control system for ignition and fuel-timing control. Function: Senses cranksh ...

Description: ACDelco Engine Control Module Assembly (Part Number: 12651993) is an engine control module (ECM) that governs engine operation, fuel delivery, and ignition timing. Type: Engine Control Module (ECM)Function: Dictates operation of vital engine systems for pe ...

Description: 3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems - aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type