Motorad 832-176 Engine Coolant Thermostat Housing Assembly

Integrated Thermostat Housing for Mercedes-Benz Cooling Systems

The Motorad 832-176 integrated housing thermostat is built for Mercedes-Benz cooling systems that use a combined thermostat and housing design. It features a 176°F opening temperature, a 1.70 in outlet diameter, and a rubber seal for a direct replacement service part.

Compatible with select Mercedes-Benz CL500, E420, E500, S420, S500, SL60 AMG, SL500, 400E, 400SE, 400SEL, 500E, 500SEC, 500SEL, and 500SL applications, this Motorad 832-176 thermostat housing assembly is specified for OE-style fitment and temperature control.

Key Features

• Integrated engine coolant thermostat housing assembly
• 176°F start-to-open temperature for OE-specified cooling control
• Aluminum, stainless steel, and copper construction
• Rubber gasket/seal included
• 3 bolt holes with 1 outlet port
• Silver finish
• Offset design with air relief valve where applicable
• Manufactured to OEM specifications and processes

Detailed Description

Motorad Integrated Housing Thermostat 832-176 is engineered as an OE-style replacement for Mercedes-Benz vehicles that use an integrated thermostat and housing assembly. The copper case and wax compound are selected for responsive temperature regulation as coolant temperatures change, while the included seal supports proper housing sealing during service. This part cross-references Dorman OE Solutions 902-5144 for the same application.

Use this thermostat housing assembly when servicing Mercedes-Benz cooling systems that require a 176°F thermostat and integrated housing design. It is a direct-fit solution for models including Mercedes-Benz CL500, E420, E500, S420, S500, SL60 AMG, SL500, 400E, 400SE, 400SEL, 500E, 500SEC, 500SEL, and 500SL.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Coolant leaks at the thermostat housing seal
• Temperature instability in the cooling system
• Service issues on integrated thermostat and housing setups
• Replacement needs for OE-specified 176°F Mercedes-Benz applications

Installation Notes and Tips

Confirm the vehicle uses an integrated thermostat and housing design before installation. Inspect the mating surface, coolant hoses, and surrounding cooling components for wear or contamination before reassembly. Replace the seal during service and torque fasteners to the vehicle manufacturer’s specification. This part uses 3 bolt holes and does not include bolts or mounting hardware.

Quality Assurance

Motorad manufactures this thermostat housing assembly with OEM-quality materials and OE-supplier standards. It is produced to OEM specifications and processes for consistent fit and temperature control in demanding automotive cooling systems.