01-17 Duramax Fleece Coolant Block Off Plate

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