Motorad 432-140 Engine Coolant Thermostat Housing Assembly - Upper

Integrated thermostat housing for Honda and Acura

Motorad 432-140 is an engine coolant thermostat housing assembly built for precise coolant temperature control in select Honda and Acura applications. It combines the thermostat, housing, and seal in one service part for a direct replacement on vehicles such as the Honda Civic, Honda CR-V, Acura RSX, and Acura CSX.

The Integrated Housing Thermostat line focuses on OE-style fit and function, using OEM-quality materials and manufacturing processes. This Motorad 432-140 assembly uses a copper case and wax compound for quick reaction to coolant temperature changes, helping maintain stable engine operating temperature.

Key features

• Engine coolant thermostat housing assembly with integrated housing and seal
• 140 degree F thermostat rating
• Black housing with 3 bolt holes and 1 outlet port
• Includes gasket/seal; O-ring gasket type with rubber seal material
• No bleeder hole
• Outlet diameter: 1.27 in; bypass diameter: 1.18 in; bypass length: 2.06 in
• OE supplier manufacturing with OEM specifications and processes

Detailed product information

Motorad 432-140 is engineered for cooling systems that require a 140 degree F thermostat setting. The integrated housing design simplifies replacement by combining the thermostat and housing into one assembly, while the included rubber O-ring seal supports a proper seal at installation. This part cross-references Remy 14754 for the same application.

Compatible With 2002-2006 Honda CR-V, 2003-2005 Honda Civic, 2002 Honda Civic upper, 2002-2006 Acura RSX, and 2006 Acura CSX. Use this part when servicing a Honda Civic thermostat housing assembly, a Honda CR-V coolant thermostat housing, or an Acura RSX integrated thermostat housing replacement.

Common replacement reasons

• Engine running too cool or too warm due to thermostat wear
• Coolant leaks at the thermostat housing or seal surface
• Slow thermostat response affecting temperature regulation
• Damaged or aging housing on a Honda Civic or Honda CR-V cooling system
• Need for a direct-fit integrated thermostat housing assembly

Installation notes

Verify engine application, position, and temperature rating before installation. This assembly includes the housing and seal, and it does not include an installation tool. Clean the mating surfaces thoroughly, inspect the coolant passages, and replace coolant according to the vehicle service procedure after installation.

Quality assurance

Motorad manufactures this part with OEM-quality materials and safety standards as an OE supplier. The copper case and wax compound are selected to respond quickly to coolant temperature changes, and the part is produced to OEM specifications and processes for consistent cooling-system service.