Replacement Engine Coolant Thermostat Housing Assembly

This engine coolant thermostat housing assembly (also called a thermostat housing, water outlet, or coolant outlet housing) is a replacement part for the engine cooling system. The housing holds the thermostat and gives coolant a sealed path between the engine and the radiator. This lets the engine reach operating temperature and stay there.

Key Features:

• Replacement design that restores the sealed coolant passage at the thermostat location
• Houses the thermostat so it can regulate coolant flow and engine temperature
• Helps prevent coolant leaks caused by cracked, corroded, or warped housings
• Supports steady engine temperature, which helps prevent overheating and keeps the engine running efficiently
• Offered in several part number variants. Select the variant that matches your application.

A worn or damaged thermostat housing can cause coolant loss, overheating, or poor heater performance. Replacing it, along with a fresh gasket or seal and coolant, helps restore reliable cooling system operation.