Dorman 902-5847 Engine Coolant Thermostat Housing Assembly - Water Pump

Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-5847 Engine Coolant Thermostat Housing Assembly is designed for select Mercedes-Benz models, including the CL63 AMG, CLS550, and S550. This assembly integrates a thermostat calibrated to open at 217°F, ensuring precise engine temperature regulation for optimal performance.

• Constructed from durable black plastic material
• Includes thermostat and sensor for complete assembly
• Standard gasket type (gasket not included)
• Features one outlet port and three mounting holes
• Flange dimensions: 3.65" length, 3.75" width, 0.35" thickness
• Inside diameter of 1.8 inches for proper coolant flow
• Compatible with multiple Mercedes-Benz models such as ML350, GLS550, and E63 AMG

Detailed Product Description

The Dorman 902-5847 thermostat housing assembly is engineered to meet the cooling system requirements of various Mercedes-Benz vehicles. Made from high-quality plastic, this black housing offers corrosion resistance and reliable sealing when installed with the appropriate gasket. The assembly includes a thermostat that opens at 217 degrees Fahrenheit, helping maintain the engine within its optimal operating temperature range. With three mounting holes spaced between 2.5 and 3.2 inches center-to-center, installation aligns precisely with factory specifications. The single outlet port facilitates efficient coolant flow, while the flange dimensions ensure a secure fit on the engine block.

Compatible Mercedes-Benz Models and Applications

This thermostat housing assembly is compatible with a range of Mercedes-Benz vehicles, including but not limited to:

• CL63 AMG, CL550
• CLS350, CLS500, CLS550, CLS63 AMG
• E250, E500, E550, E63 AMG
• GL450, GL500, GL550
• GLE500, GLE550
• GLS500, GLS550
• Maybach S550
• ML350, ML400, ML500, ML550, ML63 AMG
• S500, S500L, S550, S560, S63 AMG
• SL500, SL550

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 thermostat
• Reduced engine efficiency from improper coolant flow
• Replacement of worn or corroded thermostat housing components

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use a compatible gasket (not included) to prevent coolant leaks
• Verify mounting hole alignment with factory specifications (3 holes, spacing between 2.5" and 3.2")
• Torque bolts to manufacturer-recommended specifications to avoid damage
• Inspect coolant system for leaks after installation and during initial operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5847 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance in Mercedes-Benz vehicles. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.