Marine Spark Plugs



When you need a spark plug you can rely on in harsh marine environments, you need an ACDelco Marine Spark Plug. 

Product Facts
Find out more about ACDelco OES Marine Spark Plugs and how they fit into the Ignition System with the product facts below. 

FUNCTION: 
A high-voltage spark from the ignition coil ignites the air/fuel mixture inside the engine’s cylinders. 

SIGNS OF WEAR: 
Poor starting characteristics, decreased fuel economy, sluggish engine performance, excessive foiling or deposits on plug.