XDP Duramax Radiator Drain Pipe XD328

Eliminate the hassle of servicing the cooling system in your 2006-2019 GM 6.6L Duramax with the XDP Duramax Radiator Drain Pipe XD328. Draining the cooling system in your truck requires removal of the lower radiator hose. Once that hose is...

Merchant Automotive 10089 Billet Coolant Block-Off Plate

  The Merchant Automotive 10089 Billet Coolant Block-Off Plate eliminates the common leaking issue in your 2001-2017 GM 6.6L Duramax. The factory coolant block-off plate has a cast design with a gasket. Over time, this plate commonly...