Four Seasons 85990 Engine Coolant Water Outlet Thermostat Housing - and Kit

The Four Seasons 85990 is an Engine Coolant Water Outlet and Thermostat Housing Kit designed as a direct-fit replacement for vehicles with a failed or leaking coolant outlet or thermostat housing. This kit restores proper coolant flow routing from the engine to the cooling system, helping maintain correct operating temperature and preventing overheating.

Key Features:

• Complete kit includes the water outlet housing and all necessary components for installation
• Direct OE replacement — engineered to match original equipment fit, form, and function
• Manufactured to precise tolerances to ensure leak-free sealing at coolant connections
• Constructed from durable materials resistant to heat cycling and coolant chemicals
• Backed by Four Seasons' decades of thermal management engineering expertise

Four Seasons is a trusted name in automotive thermal and climate control components. The 85990 kit simplifies the repair process by providing everything needed in a single package, making it an ideal solution for both professional technicians and DIY installers looking for a reliable, long-lasting coolant outlet housing replacement.