Fleece Performance Engineering
Duramax CP3K - 2001-2016 Duramax Diesel FPE-DMAX-CP3K
Part # FPE-DMAX-CBOP
The Fleece blocking plate is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers are prone to leakage over time, 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.
Direct Replacement for GM P/N: 97941204 and 12698239

WARNING : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov