Fleece Performance FPE-LML-CP Duramax LML Rear Engine Cover Coolant Return Plug

The Fleece Performance FPE-LML-CP Coolant Return Plug is designed to seal the rear engine cover coolant return port on 2011-2018 GM Duramax LML engines. This plug is essential when installing an aftermarket turbo system or performing an EGR delete, providing a clean, professional solution for blocking off the coolant return line.

Key Features:

• Precision-machined from high-quality 6061 aluminum for durability and corrosion resistance
• Black anodized finish with laser-etched Fleece Performance logo for a factory appearance
• Includes high-temperature silicone O-ring for reliable, leak-free sealing
• Direct fit for 2011-2018 Duramax LML applications
• Simple installation for finishing turbo upgrades or EGR system modifications

This plug provides a permanent, maintenance-free solution that integrates seamlessly with your engine's rear cover. The included O-ring is designed to withstand high temperatures and coolant exposure, ensuring long-term reliability in demanding diesel performance applications.