OE Ignition Coils


To protect coils from the harsh operating environment, laminations are corrosion protected, and primary and secondary coil windings often feature molded plastic protection. 

Product Facts
Find out more about ACDelco GM OE Ignition Coils and how they fit into the Starting and Charging System with the product facts below. 

FUNCTION:
Increases electrical system voltage to help ignite the air/fuel mixture. 

SIGNS OF WEAR:
Engine won't start, poor starting qualities, engine misfiring, cracks in coil body. 

WHAT IT DOES:
The Starting and Charging System starts the engine, maintains the battery's charge and provides power to the electrical accessories while the engine is running.