Gates CO34889 Engine Coolant Water Outlet

Gates Coolant Outlet for Honda and Acura

The Gates Coolant Outlet CO34889 is an engine coolant water outlet built for select Honda Civic, Honda HR-V, and Acura ILX applications. It is designed as a direct-fit thermostat housing style replacement that follows original equipment dimensions and cooling-system routing.

Gates Coolant Outlet CO34889 is part of the Gates Coolant Outlet line, which focuses on OE-style fit and long service life while addressing common material and design issues seen in many aftermarket alternatives. This cast aluminum coolant outlet is a practical replacement for vehicles that need a reliable thermostat housing assembly or water outlet service part.

Key Features

• Cast aluminum construction for the coolant outlet body
• Thermostat housing style design
• Single bolt hole mounting configuration
• Outlet inside diameters: .74 in, .64 in, and .353 in
• Outlet outside diameters: .59 in, .447 in, and .24 in
• Contents: coolant outlet
• OE exact: No

Detailed Product Overview

This Gates coolant outlet is engineered for direct replacement service on 2006-2015 Honda Civic, 2016-2021 Honda HR-V, and 2013 Acura ILX applications. The CO34889 part number is a useful search reference when sourcing an engine coolant water outlet or thermostat housing replacement for these vehicles. Gates positions this product line as an OE-style solution with fit and performance aligned to the original part, making it a straightforward choice for cooling-system repair work.

This part cross-references Dorman OE Solutions 902-5828 for the same application.

What It Helps Address

• Cracked or leaking coolant outlet housing
• Coolant seepage at the thermostat housing area
• Corrosion or deterioration in the original cast housing
• Cooling-system service needs on Honda Civic, Honda HR-V, and Acura ILX models
• Replacement of a worn engine coolant water outlet assembly

Installation Notes and Tips

Verify the outlet shape, bolt-hole layout, and hose connection diameters against the original part before installation. Confirm vehicle application by year, make, and model: Fits 2006-2015 Honda Civic, N/A; Fits 2016-2021 Honda HR-V, N/A; Fits 2013 Acura ILX, N/A. Inspect the mating surfaces and cooling passages during service, and follow the vehicle manufacturer’s cooling-system procedures when replacing the thermostat housing or coolant outlet.

Quality Assurance

Gates designs this coolant outlet to fit and perform like the original component while providing a durable replacement option for everyday cooling-system repair. The CO34889 is built as part of Gates’ coolant outlet program for broad application coverage and long service life.