Dorman 902-315 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Select Vehicles

Dorman 902-315 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. Its metal construction and black finish are engineered for cooling-system service in applications that see repeated temperature swings, including Ram 1500, Dodge Charger, and Jeep Wrangler coverage.

This thermostat housing is a direct-fit cooling system component for vehicles that use a 90-degree housing neck and a 1.875-inch outlet port. Dorman 902-315 is a practical OE-style replacement for drivers servicing a leaking, cracked, or heat-stressed thermostat housing on compatible Ram, Dodge, Chrysler, and Jeep models.

Key Features

• Metal thermostat housing for cooling-system durability
• Black finish
• 90-degree housing neck angle
• 1.875-inch outlet port diameter
• 2 mounting holes with 0.375-inch diameter
• No gasket or seal included
• No thermostat included
• No bolts included
• O-rings not required

Detailed Description

Built as a replacement engine coolant thermostat housing, Dorman 902-315 is shaped to match the stock housing on the listed applications and withstand extreme temperature changes that can shorten the life of cooling-system parts. The metal housing helps maintain a stable mounting surface for the thermostat area, while the 90-degree neck and specified outlet size support proper hose routing on the vehicles listed below. This part cross-references Motorad CH2315 for the same application.

Compatible With select 2006-2025 Dodge, Ram, Chrysler, and Jeep applications, including Fits 2023-2025 Jeep Wrangler, N/A; Fits 2024-2025 Jeep Wagoneer S, N/A; Fits 2022-2024 Ram 1500, N/A; Fits 2022-2024 Ram 1500 Classic, N/A; Fits 2022-2023 Jeep Grand Wagoneer, N/A; Fits 2022-2023 Jeep Wagoneer, N/A; Fits 2006-2021 Dodge Charger, N/A; Fits 2019-2021 Ram 1500, N/A; Fits 2019-2021 Ram 1500 Classic, N/A; Fits 2018-2020 Ram 4000, N/A; Fits 2014-2018 Ram 1500, N/A; Fits 2012-2014 Chrysler 300, N/A; Fits 2011-2014 Dodge Challenger, N/A; Fits 2012-2014 Dodge Charger, N/A; Fits 2012-2013 Ram 1500, N/A; Fits 2006-2008 Dodge Magnum, N/A.

Common Problems This Part Can Address

• Cracked thermostat housing from heat cycling
• Coolant leaks at the housing connection
• Warped or damaged housing sealing surface
• Cooling-system service on a worn OE housing
• Fitment issues when replacing a failed factory housing

Installation Notes and Tips

Verify the outlet port diameter, neck angle, and mounting-hole layout before installation. This housing does not include a gasket or seal, thermostat, or bolts, so confirm the required service parts for your application before beginning the repair. Clean the mating surfaces thoroughly and inspect the hose connection and surrounding cooling-system components for wear or damage.

Quality Assurance

Dorman designs this replacement housing to match the fit and durability of the original part on the listed vehicles. The metal construction is selected to handle repeated temperature changes in engine cooling service.