This MerCruiser "Thermostat Housing" is a crucial component for your boat's cooling system. It is designed for use with 4.3, 5.0, and 350 Mag engines, and is made in the United States. The part number is 863457-C and it comes with no warranty.

This high-quality part is perfect for anyone looking to upgrade their boat's heating and cooling system. It is made by a trusted brand and is sure to provide reliable performance. Don't miss out on this opportunity to improve your boat's comfort and safety.