Gates CO35064 Engine Coolant Water Outlet

Gates Coolant Outlet for Subaru Cooling Repair

The Gates Coolant Outlet CO35064 is an aluminum thermostat housing designed to match original fit and function for select Subaru cooling system applications. Built for direct replacement use, it addresses common aftermarket concerns with material quality and dimensional accuracy.

Gates Coolant Outlets are part of the Coolant Outlet line, which covers everything from water outlets to complete thermostat housing assemblies. The CO35064 is engineered for long service life and OE-style performance in Subaru Ascent, Crosstrek, Impreza, WRX, Outback, XV, and Forester applications.

Key Features

• Aluminum thermostat housing construction for cooling system durability
• Outlet outside diameter: 1.5 in.
• Outlet inside diameter: 1.26 in.
• Bolt hole quantity: 2
• Contents: thermostat housing
• Direct replacement design for OE-style fit and function
• Part number: CO35064

Product Details

This Gates coolant outlet is built for Subaru cooling system service where the thermostat housing must seal correctly and maintain proper coolant flow. It is a practical replacement for worn, corroded, or damaged housings on 2014-2018 Subaru Forester, 2015-2020 Subaru WRX, 2018-2020 Subaru Impreza, 2018-2020 Subaru XV, 2018-2021 Subaru Crosstrek, 2020 Subaru Outback, and 2025 Subaru Ascent, Crosstrek, Impreza, and WRX applications. This part number, CO35064, also cross-references 11060AA300 for the same application.

What It Helps Address

• Coolant leaks at the thermostat housing
• Cracked or warped outlet surfaces
• Corrosion-related housing failure
• Improper sealing from aged plastic or damaged components
• Cooling system service on Subaru models with OE-style outlet design

Installation Notes and Tips

Confirm the outlet diameter, bolt-hole layout, and housing style against the removed part before installation. Clean the mating surfaces thoroughly and inspect the thermostat sealing area and adjacent coolant passages for residue or damage. Use the correct coolant and follow the vehicle service procedure for refill and air bleeding after installation.

Quality Assurance

Gates designs this Coolant Outlet line to improve on common aftermarket material and manufacturing issues while maintaining original-style fit and performance. The CO35064 is intended to deliver dependable service in Subaru cooling system repairs.