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Duramax LML Coolant Return Plug

Upgrade your 2011-2016 Duramax LML cooling system with the precision-engineered coolant return plug from Fleece Performance. Whether you are performing a full EGR delete or installing an aftermarket turbocharger, this component is essential for sealing off unused coolant ports effectively and reliably.

Key Features and Benefits

• Premium Material: Machined from high-grade 6061 aluminum for maximum durability.
• Precision Finish: Anodized black for superior corrosion resistance and a sleek under-hood appearance.
• Laser Etched: Features the signature Fleece Performance branding for authenticity.
• Perfect Fitment: Specifically designed for the 2011-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD Duramax LML platforms.

This plug provides a leak-free solution, ensuring your cooling system remains pressurized and functional after engine modifications. Its robust design withstands the high-heat environment of the engine bay, preventing common failure points associated with cheaper alternatives. Installation is straightforward, allowing you to complete your performance build with confidence. Trust GGCRACING for high-quality engine components that keep your truck running at its peak.