Coolant Block-Off Plate XD344 Billet XDP

Coolant Block-Off Plate XD344 Billet XDPPut the XDP Billet Coolant Block Off Plate XD344 in your 2011 2017 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

X4 Power Flash Programmer

High-Efficiency Core to Maximize Cooling

Some factory hardware and fasteners will be re-used during installation

and electrical connections

The factory Oil Cooler is a single component that is responsible for many issues on the 6

starter issues

6L Duramax powered trucks

Manufactured with several techniques borrowed from the HD and Semi truck industry

XDP's Xtra Cool Radiators use a heavy gauge steel crimp strip to join the end tanks to the core

Designed for an easy bolt-on installation

so don't let a bent pushrod cause a complete tear down

quickly turning an easy job into a headache