Gates CO35085 Engine Coolant Water Outlet

Gates Coolant Outlet CO35085

The Gates Coolant Outlet CO35085 is an OE-style engine coolant water outlet built for select Toyota and Lexus applications. It uses aluminum and steel construction to address common fit, material, and durability concerns found in many aftermarket replacements.

Gates Coolant Outlet line coverage includes water outlets and complete thermostat housing assemblies, giving you a direct replacement option for cooling system service on vehicles such as the Toyota Camry, Toyota RAV4, and Lexus ES300h.

Key Features

• Engine coolant water outlet for cooling system repair
• Aluminum and steel construction
• Designed to match original fit and function
• Outlet diameters: .55 in. and .75 in.
• Inside diameters: .4 in., .5 in., and .65 in.
• 3 bolt hole mounting pattern
• Includes coolant outlet and gasket
• Part number: CO35085

Product Details

Gates CO35085 is engineered as a direct replacement coolant outlet for Toyota and Lexus vehicles that use this style of thermostat housing connection. The part is built to fit and perform like the original component, helping restore proper coolant routing at the engine outlet. If you are replacing a leaking or corroded coolant outlet on a Toyota Highlander, Toyota RAV4 Prime, or Lexus NX450h+, this OE-style part provides a practical service solution.

This part cross-references Toyota 1635125040 for the same application. The Gates Coolant Outlet program is focused on complete cooling system coverage, from individual outlets to housing assemblies, and CO35085 follows that approach with a replacement design aimed at long service life.

Vehicle Fitment

• Fits 2023 Lexus NX450h+, N/A, Coolant Outlet
• Fits 2020-2023 Toyota Highlander, N/A, Coolant Outlet
• Fits 2019-2022 Lexus ES300h, N/A, Coolant Outlet
• Fits 2019-2022 Toyota Avalon, N/A, Coolant Outlet
• Fits 2019-2022 Toyota RAV4, N/A, Coolant Outlet
• Fits 2021-2022 Toyota RAV4 Prime, N/A, Coolant Outlet
• Fits 2018-2021 Toyota Camry, N/A, Coolant Outlet
• Fits 2021 Toyota Sienna, N/A, Coolant Outlet
• Fits 2021 Toyota Venza, N/A, Coolant Outlet

Common Repair Uses

• Replacing a cracked or leaking coolant outlet
• Restoring coolant flow at the thermostat housing connection
• Addressing corrosion or material fatigue at the outlet
• Repairing cooling system leaks on Toyota and Lexus models
• Servicing OE-style coolant outlet failures on high-mileage engines

Installation Notes

Verify the outlet diameter, bolt pattern, and engine-side connection before installation. Clean the mating surfaces thoroughly, inspect the surrounding hoses and seals, and replace any damaged coolant lines during service. Follow the vehicle manufacturer’s cooling system refill and bleed procedure after installation.

Quality Assurance

Gates designs this coolant outlet to address common aftermarket design, manufacturing, and material issues while maintaining original-style fit and performance. The CO35085 is part of Gates’ coolant outlet program for dependable cooling system service on select Toyota and Lexus applications.