Upgrade your rear engine cover and stop the coolant leaks for good!
Fleece's blocking plate for 2001-2017 GM Duramax diesels 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
Fleece Billet Coolant Block Off Plate Features:
- Billet coolant block off plate with an integral O-ring
- Thicker than the stock plate
- Integral square cut O-ring with no gasket required
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