Gates 34837 Engine Coolant Thermostat

Integrated Thermostat Housing for OE Temperature Control

Gates 34837 is an integrated housing thermostat built for precise engine coolant temperature regulation. It is an OE Exact replacement with electric operation, a check valve, and a seal included, making it a direct service part for select Cadillac ELR and Chevrolet Volt applications.

Key Features

• Integrated Housing Thermostat design for modern cooling systems
• Start to open temperature: 176°F / 80°C
• Electric thermostat with check valve
• OE Exact comparison rating for direct replacement use
• 3 bolt holes for housing mounting
• Outlet inside diameter: 1.16 in; outlet outside diameter: 1.78 in
• Seal included

Product Details

The Gates Integrated Housing Thermostat line focuses on accurate coolant temperature control in vehicles that use a combined thermostat and housing assembly. Part number 34837 is engineered to match OE temperature specifications and support stable engine operating temperatures. This matters in vehicles such as the Cadillac ELR and Chevrolet Volt, where precise thermal management is important for efficient operation and consistent cooling system performance. Gates 34837 cross-references Dayco 86116 for the same application.

Common Cooling System Issues It Can Address

• Engine running too cool or too warm due to thermostat control issues
• Temperature fluctuation from a worn integrated housing assembly
• Coolant flow irregularities related to a failing check valve
• Cooling system warning lights tied to thermostat performance
• Leaks at the thermostat housing interface when the assembly is replaced

Installation Notes and Tips

Verify the OE temperature specification, connector style, and housing configuration before installation. This part uses an integrated housing design with 3 bolt holes and electric operation, so matching the original assembly is important for proper fitment. Confirm outlet dimensions and inspect the sealing surface before reassembly. Fits 2014-2016 Cadillac ELR, N/A. Fits 2011-2015 Chevrolet Volt, N/A.

Quality Assurance

Gates develops aftermarket thermostat solutions for vehicles equipped with integrated thermostat housings, with a focus on OE-style temperature control and application-specific fitment. Part number 34837 is listed as OE Exact for the confirmed applications above.