Gates CO35066 Engine Coolant Water Outlet

Engine Coolant Water Outlet for Hyundai and Kia

The Gates Coolant Outlet CO35066 is an engine coolant water outlet built for direct replacement service on select Hyundai and Kia applications. It is a plastic thermostat housing assembly with an included seal, made to match original fit and function for dependable cooling system service.

Gates Coolant Outlet line coverage is focused on OE-style replacement parts for common cooling system service needs, from individual water outlets to complete thermostat housing assemblies. The CO35066 follows that approach with application-specific design and materials selected for long service life.

Key Features

• Brand: Gates Coolant Outlet
• Part number: CO35066
• Type: thermostat housing / engine coolant water outlet
• Material: plastic
• Includes seal
• Two-bolt housing design
• Direct replacement style for original cooling system fitment

Detailed Description

The Gates CO35066 coolant outlet is engineered for vehicles that use a plastic thermostat housing assembly in the cooling circuit. It is designed to fit and perform like the original part, helping restore proper coolant routing and thermostat housing sealing on select Hyundai Sonata, Hyundai Santa Fe, Hyundai Santa Fe Sport, Kia Optima, Kia Sorento, and Kia Sportage models. If you are replacing a leaking or damaged thermostat housing, this part number provides a service-ready OE-style solution.

This part cross-references Hyundai/Kia OE numbers 256202GGA0 and 256202GGA5 for the same application.

What It Is Used For

• Replacing a cracked or warped thermostat housing
• Repairing coolant leaks at the outlet or housing seal surface
• Restoring proper coolant flow through the engine cooling system
• Addressing overheating caused by a failing coolant outlet assembly
• Servicing a worn plastic housing on high-mileage Hyundai and Kia vehicles

Installation Notes and Tips

Verify the OE number, bolt pattern, and outlet dimensions before installation. Clean the mating surfaces thoroughly and inspect the cooling system for contamination or related wear before installing the new housing. The included seal should be seated correctly to help prevent leaks after assembly. Confirm fitment for your exact year, make, and model before ordering the Gates CO35066.

• Fits 2019-2022 Kia Sportage, N/A
• Fits 2019-2020 Hyundai Santa Fe, N/A
• Fits 2018-2020 Kia Sorento, N/A
• Fits 2018-2019 Hyundai Sonata, N/A
• Fits 2015-2016 Hyundai Sonata, N/A
• Fits 2018-2019 Kia Optima, N/A
• Fits 2017-2018 Hyundai Santa Fe Sport, N/A

Quality Assurance

Gates designs this coolant outlet to address common aftermarket issues related to design, manufacturing, and material quality. The CO35066 is built as an OE-style replacement for consistent fitment and long service life in the cooling system.