Motorad CH5172 Engine Coolant Thermostat Housing - Upper

Engine Coolant Thermostat Housing Overview

The Motorad CH5172 engine coolant thermostat housing is built for cooling system service where a sealed, OE-style replacement is needed. It uses a plastic housing with a black finish and includes a gasket or seal for applications that call for a direct water outlet replacement.

Fits 2001 Ford Explorer, upper. Fits 2001 Ford Explorer Sport, N/A. Fits 2001 Ford Explorer Sport Trac, N/A. Fits 2001 Ford Ranger, N/A. Fits 1998-2001 Mercury Mountaineer, N/A. Fits 1997-2000 Ford Explorer, N/A.

• OE supplier manufacturing standard for consistent fit and function.
• Thermal shock validated for cooling system temperature changes.
• 100% leak tested before release.
• Plastic housing with a black finish.
• Gasket or seal included for the listed applications.

Detailed Product Description

Motorad CH5172 is an engine coolant thermostat housing engineered to meet or exceed OEM standards for the listed Ford and Mercury applications. The housing is manufactured from proprietary plastic material to handle demanding cooling system conditions, and the design is thermal shock validated and leak tested to support sealed coolant flow at the water outlet. This part cross-references Dorman - OE Solutions 902-844 for the same application.

For buyers searching for a thermostat housing for a Ford Explorer, Ford Ranger, or Mercury Mountaineer, CH5172 provides a direct replacement format for the specified upper or water outlet locations shown in the fitment data. The included seal helps simplify service on applications that require a housing-and-seal assembly. Part number CH5172 is also referenced as 9CH5172 and 815172 in interchange data.

What It Helps Address

• Coolant leaks at the thermostat housing or water outlet.
• Cracked or heat-aged plastic housing surfaces.
• Seal failure at the coolant outlet connection.
• Cooling system service on listed Ford Explorer, Ford Ranger, and Mercury Mountaineer applications.

Installation Notes

Verify the year, model, and outlet location against the fitment table before installation. Clean the mating surfaces thoroughly and inspect the thermostat and related cooling components during service. The fitment notes indicate housing and seal inclusion for several applications; bolts are not included.

Quality Assurance

Motorad states that this housing is produced to OEM quality standards by an OE supplier, thermal shock validated, 100% leak tested, and built to meet or exceed OEM requirements.