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.
- 2001-2016 Duramax Billet Coolant Block Off Plate
- Replaces GM Part Number: 97941204
- Engine Manufacturer: Duramax
- Engine Year: 2001-2016
- Sold As: Each
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