Gates CO35034 Engine Coolant Hose Flange

Coolant Outlet Flange for Toyota and Lexus

The Gates Coolant Outlet CO35034 is an aluminum engine coolant hose flange built for select Toyota and Lexus applications. It is designed to match original fit and function while addressing common aftermarket material and design concerns with a durable, service-focused replacement.

Key Features

• Aluminum coolant hose flange for engine cooling system service
• Three-bolt mounting design for secure installation
• Outlet diameters: 0.31 in., 0.67 in., and 1.37 in.
• Outlet inside diameters: 0.22 in., 0.54 in., and 1.1 in.
• Direct replacement style for OE-level fit and performance
• Gates Coolant Outlet line coverage for water outlets and thermostat housing assemblies

Product Details

Gates CO35034 is part of the Coolant Outlet product line, which covers a range of cooling system components from water outlets to complete thermostat housing assemblies. This coolant hose flange is engineered to fit and perform like the original part, making it a practical choice for cooling system repair on vehicles such as the Toyota RAV4, Toyota Camry, and Lexus ES300h. The aluminum construction supports long service life in demanding engine bay conditions.

This part cross-references OE number 1633125030 for the same application.

Vehicle Fitment

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

Common Repair Uses

• Replacing a cracked or leaking coolant outlet flange
• Restoring proper coolant routing at the engine outlet
• Addressing coolant seepage around the hose connection point
• Repairing a damaged three-bolt mounting flange
• Servicing cooling system components on Toyota and Lexus hybrid applications

Installation Notes

Verify hose diameter, bolt-hole alignment, and outlet dimensions before installation. Inspect the mating surfaces and adjacent cooling system components for wear, corrosion, or residue before reassembly. Because gasket quantity is not specified with this part, confirm sealing requirements for your application during service.

Quality Assurance

Gates designs its coolant outlet components to address common aftermarket fit, material, and manufacturing issues while maintaining OE-style performance and service life. CO35034 is built as a direct-fit coolant hose flange for the listed Toyota and Lexus applications.