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Duramax Billet Coolant Block Off Plate (2001-2017)
$64.67
Upgrade your rear engine cover and stop the coolant leaks for good!
Our 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
