Dorman 902-5125 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for Nissan and Infiniti

The Dorman 902-5125 Engine Coolant Thermostat Housing Assembly is designed to provide a precise fit and reliable performance for select Nissan and Infiniti vehicles. This metal thermostat housing assembly includes a thermostat and gasket, ensuring proper engine temperature regulation and coolant flow.

• Durable metal construction with natural finish
• Includes thermostat calibrated to open at 180°F
• Comes with a gasket for a secure, leak-free seal
• Designed with three mounting holes for stable installation
• Compatible with Nissan Altima, Maxima, Murano, Quest and Infiniti I35 models

Product Details and Specifications

The Dorman 902-5125 thermostat housing assembly features a metal housing with a natural color finish, providing corrosion resistance and durability. The inside diameter measures 1.21 inches, accommodating proper coolant flow. The assembly includes one outlet port and three mounting holes, with bolt hole center distances of 2.205, 2.235, and 3.356 inches, ensuring a precise fit. The flange dimensions are 4.019 inches in length, 2.76 inches in width, and 0.686 inches thick. This assembly comes complete with a thermostat that opens at 180 degrees Fahrenheit and a gasket to maintain a tight seal, though mounting hardware is not included.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with several Nissan and Infiniti models, including the Nissan Altima, Maxima, Murano, Quest, and the Infiniti I35. It is designed to replace the original equipment part and restore proper engine cooling system function, helping maintain optimal engine temperature and prevent overheating.

• Regulates engine temperature by housing the thermostat
• Prevents coolant leaks with included gasket
• Helps avoid engine overheating and related damage
• Restores proper coolant flow in the cooling system
• Replaces worn or damaged thermostat housing assemblies

Installation Notes and Tips

When installing the Dorman 902-5125 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before placing the new gasket and housing. Torque mounting bolts evenly to manufacturer specifications. Since mounting hardware is not included, reuse existing bolts or obtain new ones as needed. Verify the thermostat opens at 180°F to ensure proper engine temperature regulation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5125 thermostat housing assembly undergoes quality checks to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete solution for your cooling system needs. Warranty coverage details can be obtained from the product documentation or manufacturer.