Gates 34852 Engine Coolant Thermostat

Integrated thermostat housing for OE-style cooling control

Gates 34852 is an integrated housing thermostat built for precise engine temperature regulation in select Toyota and Lexus applications. It is engineered to match OE performance expectations and includes a seal for a direct replacement service on 2012-2017 Toyota Camry, 2013-2018 Toyota Avalon, and 2013-2018 Lexus ES300h.

Key features

• Integrated Housing Thermostat design for modern cooling systems
• Start-to-open temperature: 180°F / 82°C
• OE Performance rating for factory-style temperature control
• Check valve / jiggle pin feature included
• Two bolt holes for secure mounting
• Outlet dimensions: 1.24 in and 0.6 in inside diameter; 1.42 in and 0.69 in outside diameter
• Seal included
• Non-electric thermostat construction

Product details

Gates Integrated Housing Thermostat 34852 is part of the Gates Integrated Housing Thermostat product line, developed for vehicles that use a thermostat and housing assembly as a single service component. Gates applies aftermarket cooling-system research and development to provide an OE-style alternative for applications that require accurate coolant flow control and stable operating temperature. This part cross-references Dorman OE Solutions 902-5174 for the same application.

What this thermostat helps address

• Engine running too cool or too warm
• Delayed warm-up after cold starts
• Temperature fluctuation from a worn thermostat assembly
• Coolant flow control issues in integrated housing systems
• Service replacement for a leaking or aging thermostat housing assembly

Installation notes and fitment

• Fits 2012-2017 Toyota Camry, N/A; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
• Fits 2013-2018 Toyota Avalon, N/A; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
• Fits 2013-2018 Lexus ES300h, N/A; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
• Verify outlet sizes, bolt-hole count, and OE temperature specification before installation
• Inspect the mating surfaces and cooling system condition during service
• Use the correct coolant and bleed procedure for the vehicle after installation

Quality assurance

Gates backs this thermostat housing with OE-performance positioning and application-specific engineering for the listed Toyota Camry, Toyota Avalon, and Lexus ES300h fitments. Part number 34852 is built to support accurate temperature regulation in vehicles that use an integrated thermostat housing design.