Motorad 636-170 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for Honda and Acura

The Motorad 636-170 integrated housing thermostat is built for direct replacement in select Honda and Acura cooling systems. It combines the thermostat, housing, and seal in one OE-style assembly for a clean service repair on applications such as Honda Civic, Honda CR-V, Acura ILX, Acura CSX, and Acura TSX.

Motorad’s Integrated Housing Thermostat line focuses on OE-spec fit and cooling-system reliability, using OEM-quality materials and manufacturing processes for consistent temperature control.

Key Features

• 170°F opening temperature for OE-style engine warm-up control
• Integrated thermostat housing assembly with rubber seal included
• Black housing with 3 bolt holes and 1 outlet port
• Constructed from plastic, stainless steel, and copper
• Copper case and wax compound for responsive coolant temperature changes
• Offset design and OEM-style sealing details where applicable
• Part number: 636-170

Detailed Description

The Motorad 636-170 thermostat housing assembly is engineered for vehicles that use an integrated thermostat design, helping restore proper coolant flow and operating temperature. Its 170 Deg. F calibration supports stable engine temperature management, while the included rubber seal helps simplify replacement of the original housing assembly. This part cross-references Dorman OE Solutions 902-788 for the same application.

Compatible With 2006-2015 Honda Civic, 2007-2014 Honda CR-V, 2013-2015 Acura ILX, 2007-2010 Acura CSX, and 2004-2008 Acura TSX applications that call for an integrated housing thermostat. The Motorad 636-170 is a direct-fit cooling system service part for these Honda and Acura models.

What This Part Helps Address

• Coolant temperature that stays too low or takes too long to reach operating range
• Thermostat housing leaks at the seal or mating surface
• Cracked, warped, or aged plastic thermostat housing
• Erratic engine temperature control caused by a worn thermostat assembly
• Service repairs where the thermostat and housing are replaced together

Installation Notes and Tips

Verify the 170°F specification, bolt-hole count, and outlet diameter before installation. This assembly uses 3 bolt holes, includes one rubber seal, and does not include bolts or mounting hardware. Drain coolant as needed, clean the sealing surfaces thoroughly, and inspect the hose connection and adjacent cooling components before reassembly. Confirm vehicle-specific fitment for Honda Civic, Honda CR-V, Acura ILX, Acura CSX, or Acura TSX before ordering.

Quality Assurance

Motorad manufactures this integrated housing thermostat with OEM-quality materials and OE-supplier standards. It is produced to OEM specifications and processes for demanding automotive cooling systems, with a copper case and wax compound selected for fast response to coolant temperature changes.