Dorman 902-1125 Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Dorman 902-1125 is a replacement engine coolant thermostat housing assembly for select Ford, Lincoln, and Mazda applications. It combines the housing, thermostat, and gasket in one OE-style service part for vehicles such as the Ford Focus, Ford Escape, and Mazda 3.

Built with a black plastic housing and a 160 degree Fahrenheit thermostat, this assembly is made to match the fit and durability of the original housing on the listed vehicles. It is a direct replacement for applications that use a 2-port thermostat housing with a gasket seal.

Key Features

• Replacement engine coolant thermostat housing assembly
• Black plastic construction
• Thermostat included with 160 degree Fahrenheit opening temperature
• Gasket included for sealing
• 2 outlet ports and 3 mounting holes
• Designed to match stock fit and durability
• Part number: 902-1125

Detailed Description

Dorman 902-1125 is engineered for direct replacement on select Ford Focus, Ford Escape, Ford Fusion, Ford Taurus, Lincoln MKC, Lincoln MKZ, Mazda 3, Mazda 5, and related applications listed in the fitment data. The housing is made from plastic and uses a gasket-style seal to help restore proper coolant routing at the thermostat location. The included thermostat opens at 160 degrees Fahrenheit, matching the specified OE-style operating temperature for these vehicles. This part cross-references Ford CJ5Z8575A for the same application.

What It Helps Fix

• Coolant leaks at the thermostat housing
• Cracked or warped plastic housing surfaces
• Improper thermostat operation from a worn housing assembly
• Cooling system service needs on Ford, Lincoln, and Mazda models
• Temperature control issues related to a failing thermostat housing

Installation Notes and Tips

Verify the vehicle year, make, model, and engine application before installation. This assembly uses a gasket seal and does not include mounting hardware. Inspect the mating surfaces, coolant passages, and hoses before reassembly, and replace any damaged seals or related cooling components as needed. Confirm the 160 degree Fahrenheit thermostat specification matches the original application.

Quality Assurance

Dorman designs this thermostat housing assembly to match the fit and durability of the original stock housing on the listed vehicles. The housing is built to withstand extreme temperature changes for extended service life in normal cooling system operation.