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.
Fleece Billet Coolant Block Off Plate (2001-2017 GM 6.6 Duramax)
SKU: FPE-DMAX-CBOP
$55.00Price