2001-2017 GM Duramax Billet Coolant Block Off Plate (FPE-DMAX-CBOP)
2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode.
Our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good.
Most orders are shipped 1-2 weekdays after an order is placed, depending on availability. Some products are shipped directly from manufacturers.
Not all products are stocked in house. Please check for availability as some products may be backordered.