Professional Marine Plug
ACDelco's Professional Spark Plugs meet a wide range of vehicle applications and budgets, making them the perfect choice when it is time to replace your plugs. Choose from our Iridium, Platinum, Conventional, Rapidfire and Marine lines depending on your performance needs. And, diesel drivers also can get the ACDelco advantage with our high-quality Glow Plugs. We've got a plug for almost any vehicle on the road today. When you need a spark plug you can rely on in harsh marine environments, you need the ACDelco Professional Marine Plug.