Quick Ship SKU #: XDP-XD344 XDP XD344 Billet Coolant Block-Off Plate 11-22 6.6L LML/L5P GM Duramax

Permanently eliminate coolant leaks from the rear housing on your LML or L5P engine with this billet block off plate from XDP. The rear housing on the LML and L5P engines are constructed of a thin plate and gasket, the gaskets can corrode and the plate can warp causing a coolant leak over time. The XD344 is made of CNC machined billet aluminum and features a built in o-ring seal for a leak and warp free installation. Each block off plate comes with a black anodized finish and is ready to install using the factory hardware.