Gates CO34823 Engine Coolant Hose Flange

Coolant Outlet for Toyota Corolla and Matrix

The Gates Coolant Outlet CO34823 is an OE-style engine coolant hose flange built for select Toyota cooling system applications. It is made from plastic and follows original-fit dimensions for a direct replacement on vehicles that use a coolant outlet without a bypass hose.

Key Features

• Gates Coolant Outlet line for OE-style cooling system replacement
• Engine coolant hose flange design
• Plastic construction for application-specific fitment
• Two-bolt mounting pattern
• OE exact replacement design
• Outlet dimensions: 1.36 in outside diameter and 1.175 in inside diameter, with a .394 in secondary outside diameter and .224 in secondary inside diameter
• Cross-reference: Dorman OE Solutions 902-924

Product Details

Gates CO34823 is a coolant outlet designed to match the original part’s shape, mounting points, and hose connection dimensions. The Gates Coolant Outlet product line covers water outlets and thermostat housing assemblies, giving technicians a direct replacement option for cooling system repairs where the original flange has cracked, warped, or degraded. This part cross-references Dorman OE Solutions 902-924 for the same application. It is listed for 2013-2018 Toyota Corolla, 2017-2018 Toyota Corolla iM, and 2009-2013 Toyota Matrix, with additional coverage for 2009-2012 Toyota Corolla models made in the USA. Fits 2013-2018 Toyota Corolla, N/A; Fits 2017-2018 Toyota Corolla iM, N/A; Fits 2009-2013 Toyota Matrix, N/A; Fits 2009-2012 Toyota Corolla, N/A.

Common Repair Uses

• Replacing a cracked or leaking coolant hose flange
• Restoring a secure hose connection at the engine coolant outlet
• Correcting fitment issues caused by worn aftermarket cooling parts
• Repairing a damaged OE-style coolant outlet on Toyota Corolla, Corolla iM, or Matrix models
• Addressing coolant seepage at the thermostat housing outlet area

Installation Notes

Verify the vehicle’s cooling system configuration before ordering, since this part is for applications without a bypass hose. Confirm hose diameter, bolt-hole alignment, and outlet dimensions against the original component before installation. Inspect the mating surfaces and replace any damaged hoses or seals as needed during the repair.

Quality Assurance

Gates designs this coolant outlet to fit and perform like the original component while providing long service life. The OE exact design and application-specific dimensions support a proper cooling system repair on select Toyota Corolla, Corolla iM, and Matrix vehicles.