Gates CO34847 Engine Coolant Water Outlet

Engine Coolant Water Outlet for Toyota and Lexus

Gates CO34847 is an engine coolant water outlet and thermostat housing assembly designed for select Toyota and Lexus applications. It is built to match original fit and function while addressing common aftermarket issues with design, material, and manufacturing consistency.

Compatible With 1999-2010 Toyota Avalon, Camry, Highlander, Sienna, Solara, and Lexus ES300, ES330, RX300, RX330, RX400h applications, this coolant outlet supports proper coolant routing at the thermostat housing. Gates Coolant Outlet parts are part of a full product line that ranges from individual water outlets to complete thermostat housing assemblies.

Key Features

• Gates Coolant Outlet line for thermostat housing and coolant outlet service
• Engine coolant water outlet construction for OE-style fit and function
• Material blend of aluminum and steel for application-specific durability
• 10 bolt holes for mounting on the listed vehicle applications
• Multiple outlet diameters: 0.241 in, 0.561 in, and 0.851 in inside diameter
• Multiple outlet diameters: 0.31 in, 0.682 in, and 0.988 in outside diameter
• Direct replacement style for select Toyota and Lexus cooling system repairs

Product Details

Gates CO34847 is engineered as a coolant outlet/thermostat housing component for vehicles that use a compact coolant passage assembly at the engine. The design focuses on fitment accuracy and long service life, helping restore proper coolant flow through the thermostat housing area. This part cross-references Dorman OE Solutions 902-5860 and Four Seasons 86035 for the same application.

Fits 2001-2010 Toyota Highlander, N/A; Fits 2006-2008 Lexus RX400h, N/A; Fits 2004-2008 Toyota Solara, N/A; Fits 2004-2006 Lexus ES330, N/A; Fits 2004-2006 Lexus RX330, N/A; Fits 2004-2006 Toyota Camry, N/A; Fits 2001-2006 Toyota Sienna, N/A; Fits 2000-2004 Toyota Avalon, N/A; Fits 1999-2003 Lexus ES300, N/A; Fits 1999-2003 Lexus RX300, N/A.

Common Cooling System Issues It May Address

• Cracked or leaking thermostat housing outlet
• Coolant seepage at the engine coolant water outlet
• Corrosion or material fatigue in the original housing
• Improper coolant routing caused by a worn outlet assembly
• Fitment problems from inconsistent aftermarket replacement parts

Installation Notes and Tips

Verify the vehicle year, make, model, and engine-side coolant outlet configuration before ordering. Compare the outlet diameters, bolt-hole count, and housing style to the original part on the vehicle. Clean the mating surfaces thoroughly and inspect the surrounding cooling system components for wear, deposits, or damage before installation.

Quality Assurance

Gates positions this Coolant Outlet line as a cost-effective replacement solution that addresses common aftermarket design and material concerns while maintaining OE-style fit and performance. The CO34847 is built for the listed Toyota and Lexus applications and is intended to deliver long service life in normal cooling system operation.