Motorad CH2905 Engine Coolant Thermostat Housing - Lower

Engine Coolant Thermostat Housing

The Motorad CH2905 engine coolant thermostat housing is a standard replacement part built with OEM-quality materials and OE supplier manufacturing standards. It is engineered for cooling systems that need a durable plastic housing with updated construction over the original design.

Key Features

• Plastic housing with a black finish for a direct replacement-style application.
• Manufactured to OEM specifications and processes for consistent fit and function.
• Improved construction over the OE design to address known design issues.
• Five mounting holes and multiple outlet port sizes for the specified cooling system layout.
• No gasket, seal, bleeder screw, or sensor included.

Detailed Description

Motorad CH2905 is an engine coolant thermostat housing for Hyundai Sonata and Kia Optima applications in the lower position. It is built as a standard replacement housing using OEM-quality plastic and OE supplier production standards, with construction updates intended to improve on the original design. The part number CH2905 is associated with a housing that meets the demands of modern cooling systems while maintaining the expected thermostat housing function.

This part cross-references 256202G650 for the same application.

What It Is Used For

• Cracked or weakened thermostat housing replacement
• Coolant leaks at the housing interface
• Damaged outlet ports or mounting points
• Cooling system service on Hyundai Sonata and Kia Optima models

Installation Notes and Tips

Verify the lower-position fitment before installation on 2011-2012 Hyundai Sonata and 2011-2012 Kia Optima models. Confirm port layout, bolt-hole spacing, and hose connections against the original housing before assembly. The CH2905 does not include a gasket or mounting hardware, so the existing service parts must be checked separately.

Quality Assurance

Manufactured by an OE supplier using OEM-quality materials and safety standards. Motorad states that this housing is produced to OEM specifications and processes and is built to improve on issues found in the original design.