![Fleece Performance 2001-2010 Duramax CP3K Fleece Performance 2001-2010 Duramax CP3K](https://cdn11.bigcommerce.com/s-5yvdnrf5of/images/stencil/300x300/products/22945/64029/FPE-DMAX-CP3K_0-FQWW__86987.1669842726.jpg?c=1)
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.