Fleece Performance Rear Engine Cover Coolant Return Plug 11-16 GM Duramax LML

Whether you're putting on an aftermarket turbo or other reasoning to remove the rear coolant return line on your LML, this coolant return plug will help you put the finishing touches on the job.

This plug is made from high quality 6061 aluminum, anodized black, and laser etched with the Fleece Performace. It comes complete with a high temperature silicone o-ring to ensure you won't have any leaks.