Gates CO34921 Engine Coolant Thermostat Housing Cover

Engine Coolant Thermostat Housing Cover

Gates CO34921 is an OE-exact coolant outlet and thermostat cover built for direct replacement on select Toyota, Lexus, and Scion applications. It is made from plastic and follows the original outlet dimensions for a precise fit in the cooling system.

Compatible with 2001-2015 Toyota Camry, Corolla, Matrix, RAV4, Solara, and Highlander applications, plus Lexus HS250h and Scion xB models, this Gates coolant outlet is engineered to match factory-style fit and function. The CO34921 part number is also a useful reference when cross-checking replacement needs for the same application.

Key Features

• Gates Coolant Outlet line for thermostat housing cover replacement
• OE exact design for factory-style fitment
• Plastic construction
• Outlet inside diameter: 1.16 in.
• Outlet outside diameter: 1.38 in.
• 2 bolt holes for direct mounting
• No gasket, seal, or bypass holes included in the listed design

Product Details

The Gates Coolant Outlet program addresses common issues found in aftermarket cooling components by focusing on fit, material selection, and application coverage. CO34921 is a thermostat cover-style coolant outlet intended to match the original part geometry and support long service life in the cooling system. This part cross-references Dorman OE Solutions 902-5124 and Motorad CH2124 for the same application.

Common Cooling System Issues It Can Address

• Cracked or leaking thermostat housing cover
• Coolant seepage at the outlet connection
• Warped or deteriorated plastic housing
• Improper sealing from a worn original coolant outlet
• Replacement needs during cooling system repair on Toyota Camry, Corolla, Matrix, RAV4, Solara, Highlander, Lexus HS250h, and Scion xB models

Installation Notes and Tips

Verify the outlet diameter, bolt-hole count, and OE-exact housing style before installation. Confirm vehicle application by year, make, and model, especially on Toyota Camry, Corolla, and RAV4 cooling system repairs. Inspect the mating surfaces and related cooling components for wear or damage before reassembly.

Quality Assurance

Gates positions this coolant outlet line as a cost-effective OE-style replacement designed to fit and perform like the original component. The CO34921 part number is built to support direct replacement needs across the listed applications.