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2001-2023 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. 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 Performance 01-17 GM Duramax Billet Coolant Block Off Plate
$55.00
Part Number: FPE-DMAX-CBOP
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