2001-2016 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.
Diesel Works is family-owned and operated diesel engine repair shop and online diesel performance parts store. Our shop performs a host of services, including oil changes, major engine repair, maintenance, performance upgrades and more. We are Bosch certified and do injector testing in-house. Stop by Diesel Works in Fort Worth today!
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