Dorman 902-3117 Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing for Ram ProMaster

Dorman 902-3117 is a replacement engine coolant thermostat housing assembly built for the specified Ram ProMaster 1500, 2500, and 3500 applications. It matches the stock housing’s fit and durability requirements while using a metal construction designed to handle repeated temperature swings in the cooling system.

Key Features

• Direct replacement engine coolant thermostat housing assembly
• Metal housing with natural finish
• Integrated thermostat included with 174-degree opening temperature
• 4 mounting holes and 1 outlet port
• Gasket type: gasket
• Inside diameter: 1.227 in.
• Engineered for 2014-2017 Ram ProMaster 1500, 2500, and 3500

Detailed Description

This Dorman thermostat housing assembly, part number 902-3117, is designed for 2014-2017 Ram ProMaster 1500, 2500, and 3500 models with an integrated cover. It is a metal replacement housing that follows the original fitment profile and supports proper coolant routing through the thermostat assembly. The included thermostat opens at 174 degrees, helping regulate engine operating temperature in the cooling system.

This part cross-references Mopar 68226932AA for the same application. If you are searching for a thermostat housing assembly for a Ram ProMaster 1500, Ram ProMaster 2500, or Ram ProMaster 3500, Dorman 902-3117 provides a direct-fit replacement option for the factory-style layout.

Common Problems This Part Can Address

• Cracked or warped thermostat housing
• Coolant leaks at the housing flange or gasket surface
• Faulty thermostat causing incorrect engine temperature control
• Corrosion or wear in the original metal housing
• Cooling system service needs on Ram ProMaster 1500, 2500, or 3500 models

Installation Notes and Tips

Verify the vehicle application before installation: Fits 2014-2017 Ram ProMaster 1500, N/A; Fits 2014-2017 Ram ProMaster 2500, N/A; Fits 2014-2017 Ram ProMaster 3500, N/A. Inspect the mating surfaces, replace the gasket as needed, and confirm the cooling system is properly filled and bled after installation. Mounting hardware is not included.

Quality Assurance

Dorman designs this replacement thermostat housing assembly to match the fit and durability of the original housing on the listed vehicles. The metal construction is intended to withstand extreme temperature changes for extended service life.