Put 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 anodized finish and is ready to install re-using your factory hardware.
Features:
- Built-In O-Ring Seal
- Black Anodized Finish
- Billet Aluminum Construction
- Eliminate Rear Housing Coolant Leaks
Warranty 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.
Vehicles
- 2011-2014 GMC Sierra 2500 HD WT
- 2011-2014 GMC Sierra 3500 HD WT
- 2011-2017 Chevrolet Silverado 2500 HD LT
- 2011-2017 Chevrolet Silverado 2500 HD LTZ
- 2011-2017 Chevrolet Silverado 2500 HD WT
- 2011-2017 Chevrolet Silverado 3500 HD LT
- 2011-2017 Chevrolet Silverado 3500 HD LTZ
- 2011-2017 Chevrolet Silverado 3500 HD WT
- 2011-2017 GMC Sierra 2500 HD Denali
- 2011-2017 GMC Sierra 2500 HD SLE
- 2011-2017 GMC Sierra 2500 HD SLT
- 2011-2017 GMC Sierra 3500 HD Denali
- 2011-2017 GMC Sierra 3500 HD SLE
- 2011-2017 GMC Sierra 3500 HD SLT
- 2015-2017 Chevrolet Silverado 2500 HD High Country
- 2015-2017 Chevrolet Silverado 3500 HD High Country
- 2015-2017 GMC Sierra 2500 HD
- 2015-2017 GMC Sierra 3500 HD
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.