Dorman 902-818 Engine Coolant Thermostat Housing Assembly - Water Pump

Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-818 Engine Coolant Thermostat Housing Assembly is designed specifically for BMW 540i, 740i, and 740iL models. Crafted from durable aluminum with a silver finish, this thermostat housing assembly ensures reliable engine temperature regulation and efficient coolant flow.

• Constructed from corrosion-resistant aluminum material
• Includes thermostat with a 221°F opening temperature
• Comes with a gasket for a secure seal
• Features one outlet port and four mounting holes
• Compatible with BMW 540i, 740i, and 740iL models
• Flange dimensions: 3.31 inches length and width, 0.398 inches thickness
• Package includes one thermostat housing assembly and one sensor

Detailed Product Description

The Dorman 902-818 thermostat housing assembly is engineered to meet the cooling system requirements of select BMW vehicles. Its aluminum construction offers strength and resistance to corrosion, which is essential for maintaining a leak-free seal and long service life. The included thermostat opens at 221 degrees Fahrenheit, helping to maintain optimal engine operating temperature. The housing features a single outlet port and four mounting holes, ensuring a precise fit and secure installation. The gasket included in the package provides an effective seal between the housing and engine block, preventing coolant leaks.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with BMW 540i, 740i, and 740iL models. It is designed to replace the original equipment part and restore proper coolant flow and temperature regulation in these vehicles.

• Prevents engine overheating by regulating coolant flow
• Eliminates coolant leaks caused by damaged or worn housings
• Restores proper thermostat function to maintain engine temperature
• Helps avoid engine performance issues related to cooling system failure

Installation Notes and Tips

Installation of the Dorman 902-818 thermostat housing assembly requires removal of the old housing and thermostat. Ensure the engine is cool before beginning work to avoid injury. Clean the mounting surface thoroughly before installing the new gasket and housing to ensure a proper seal. Torque mounting bolts evenly to manufacturer specifications. Note that mounting hardware is not included with this assembly and must be reused or sourced separately.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards. The 902-818 thermostat housing assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a gasket and thermostat to provide a complete replacement solution. Warranty coverage details should be confirmed with the point of purchase or manufacturer.