Dorman 902-5183 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for Mercedes-Benz

The Dorman 902-5183 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Mercedes-Benz models. This metal thermostat housing assembly includes a thermostat and gasket, ensuring a secure and efficient cooling system component replacement.

• Durable metal construction with natural finish
• Includes thermostat and gasket for complete assembly
• Inside diameter of 1.727 inches for precise fit
• Two mounting holes with multiple bolt hole center measurements (2.010, 2.124, 2.718 inches)
• Flange dimensions: length 2.846 inches, width 2.869 inches, thickness 0.337 inches
• Single outlet port design without bleeder hole
• Compatible with various Mercedes-Benz models including E350, GL320, GL350, ML320, ML350, R320, R350, Sprinter 2500, and Sprinter 3500

Product Details and Specifications

This Dorman thermostat housing assembly (part number 902-5183) is engineered from metal to provide durability and resistance to heat and corrosion. The natural color finish allows for easy inspection during installation. The assembly includes a thermostat and a gasket, which helps ensure a tight seal and prevents coolant leaks. The housing features two mounting holes with precise bolt hole center distances, accommodating the specific mounting requirements of compatible Mercedes-Benz vehicles. The flange dimensions support a secure fit, while the single outlet port design matches original equipment specifications. This assembly does not include mounting hardware, so existing bolts should be reused or sourced separately.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with a range of Mercedes-Benz models, including:

• Mercedes-Benz E350
• Mercedes-Benz GL320 and GL350
• Mercedes-Benz ML320 and ML350
• Mercedes-Benz R320 and R350
• Mercedes-Benz Sprinter 2500 and Sprinter 3500

It is designed to replace worn or damaged thermostat housings in these vehicles, ensuring proper engine temperature regulation and preventing overheating.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to faulty thermostat housing leaks
• Coolant leaks caused by cracked or damaged housing
• Improper thermostat operation affecting engine temperature control
• Corrosion or wear compromising the cooling system seal
• Replacement of failed thermostat and gasket in one assembly

Installation Notes and Tips

When installing the Dorman 902-5183 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 to ensure a proper seal with the included gasket. Since mounting hardware is not included, inspect existing bolts for wear and replace if necessary. Torque bolts to manufacturer specifications to prevent leaks. Verify coolant levels and check for leaks after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5183 thermostat housing assembly undergoes quality inspections to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete replacement solution. Warranty details are available from Dorman and typically cover defects in material and workmanship under normal use.