Upgrade your rear engine cover and stop the coolant leaks for good!
The fleece performance 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
Duramax L5P
Duramax LB7
Duramax LBZ
Duramax LLY
Duramax LML
Duramax LMM
Duramax LB7
Duramax LBZ
Duramax LLY
Duramax LML
Duramax LMM
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.