Coolant Block-Off Plate XD344 Billet XDP

Put the XDP Billet Coolant Block-Off Plate XD344 in your 2011-2024 GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your LML and L5P engine. The factory cover uses a gasket and over time the plate can warp, and the gaskets can corrode causing coolant leaks. The XD344 is made from CNC-machined billet aluminum and features a built-in o-ring seal for a leak-free installation. Each coolant block-off plate comes with a black anodized finish and is ready to install re-using your factory hardware. Features: Built-In O-Ring SealBlack Anodized FinishBillet Aluminum ConstructionEliminate Rear Housing Coolant LeaksWarranty Info:Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit.