Dorman 902-5187 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for Mercedes-Benz

The Dorman 902-5187 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Mercedes-Benz models. Engineered with durable plastic and including a thermostat, this assembly ensures efficient coolant flow and temperature regulation.

• Constructed from durable black plastic for corrosion resistance
• Includes thermostat with 207°F opening temperature for precise engine control
• Comes with mounting hardware and standard gasket for easy installation
• Features three outlet ports and six mounting holes for secure fitment
• Compatible with Mercedes-Benz A45, A45 AMG, A180, A200, B180, B250, CLA45 AMG, CLA180, CLA200, CLA250, GLA45 AMG, GLA180, GLA200, and GLA250 models

Product Details and Specifications

This engine coolant thermostat housing assembly by Dorman is crafted from high-quality plastic material in black, providing resistance to heat and corrosion. The housing features two inside diameters of 0.72 and 0.86 inches, accommodating coolant flow requirements. The flange measures 4.2 inches in length, 1.8 inches in width, and 0.44 inches in thickness, ensuring a precise fit. With six mounting holes spaced 3.5 inches center to center, installation is secure and stable. The assembly includes a thermostat that opens at 207 degrees Fahrenheit, helping maintain the engine’s optimal operating temperature. The package contains one sensor, one thermostat housing, and one thermostat, along with mounting hardware and a standard gasket to ensure a complete replacement.

Compatible Mercedes-Benz Models

This Dorman 902-5187 thermostat housing assembly is compatible with a range of Mercedes-Benz vehicles, including the A45, A45 AMG, A180, A200, B180, B250, CLA45 AMG, CLA180, CLA200, CLA250, GLA45 AMG, GLA180, GLA200, and GLA250. It is designed to meet the specific cooling system requirements of these models, providing reliable performance and fitment.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housing
• Resolves engine overheating caused by faulty thermostat operation
• Fixes coolant leaks due to worn or damaged gaskets
• Restores proper coolant flow in the engine cooling system
• Prevents engine damage from improper temperature regulation

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury. Remove the old thermostat housing carefully, noting the position of all hoses and sensors. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Use the supplied mounting hardware to secure the housing, tightening bolts evenly to the manufacturer’s torque specifications. Verify that the thermostat opens at the correct temperature 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 902-5187 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance. This product includes a limited warranty covering defects in material and workmanship, providing confidence in your replacement part.