Dorman 902-5844 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for Mercedes-Benz

The Dorman 902-5844 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for various Mercedes-Benz models. This black plastic housing includes a thermostat and sensor, ensuring precise temperature regulation and efficient cooling system performance.

• Durable black plastic construction for corrosion resistance
• Includes thermostat with 217°F opening temperature
• Comes with a standard gasket and O-ring for secure sealing
• Features one outlet port and three mounting holes for stable installation
• Compatible with multiple Mercedes-Benz models including C300, E350, and GLK350

Detailed Product Description

The Dorman 902-5844 thermostat housing assembly is engineered with a plastic material that resists corrosion and heat damage, suitable for long-term use in engine cooling systems. The assembly includes a thermostat calibrated to open at 217 degrees Fahrenheit, helping regulate coolant flow and maintain engine temperature within manufacturer specifications. The housing features three mounting holes with precise bolt hole center measurements (1.871, 2.306, and 2.811 inches) to ensure a secure fit. Its flange dimensions (3.212 inches length, 3.192 inches width, and 0.68 inches thickness) provide a stable mounting surface. This assembly also includes a sensor and an O-ring to maintain a tight seal and prevent leaks.

Compatible Mercedes-Benz Models and Applications

• Mercedes-Benz C300, C350
• Mercedes-Benz CLS350, CLS400
• Mercedes-Benz E250, E300, E350, E400, E500
• Mercedes-Benz GLE350, GLK300, GLK350
• Mercedes-Benz ML350, R350, S400L, SLK200, SLK350

This thermostat housing assembly is ideal for replacing worn or damaged components in the cooling system to prevent overheating, coolant leaks, and engine temperature fluctuations.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to thermostat failure
• Coolant leaks from cracked or damaged housing
• Erratic engine temperature readings caused by faulty sensors
• Poor engine performance linked to improper coolant flow
• Corrosion-related damage in older thermostat housings

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. Remove the old thermostat housing carefully, cleaning the mounting surface thoroughly to prevent leaks. Use the included standard gasket and O-ring to achieve a proper seal. Verify bolt hole alignment using the specified bolt hole center measurements for a secure fit. Since mounting hardware is not included, retain or replace bolts as necessary. After installation, refill the cooling system and check for leaks during engine warm-up.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This thermostat housing assembly undergoes rigorous quality control to ensure proper fit and function. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.