Gates 34853 Engine Coolant Thermostat

Integrated Thermostat Housing for OE Temperature Control

The Gates Integrated Housing Thermostat 34853 is an engine coolant thermostat assembly built for vehicles that use an integrated thermostat housing design. It regulates coolant flow at the OE opening temperature of 180 degrees Fahrenheit to help maintain stable engine operating temperature in Chevrolet, GMC, Buick, and Cadillac applications.

Gates focuses on aftermarket thermostat solutions for integrated housing systems, giving technicians a direct replacement option for modern cooling layouts. This part number 34853 is built to OE performance expectations and includes the seal needed for service.

Key Features

• Integrated housing thermostat for modern cooling system designs
• Start-to-open temperature: 180°F / 82°C
• OE performance rating for temperature regulation
• 2 bolt holes for housing mounting
• Check valve design with 1 jiggle pin/check valve
• Outlet inside diameter: 0.99 in.
• Outlet outside diameter: 1.25 in.
• Seal included

Detailed Description

Gates 34853 is an engine coolant thermostat for vehicles using an integrated housing configuration, where the thermostat and housing are serviced as a matched cooling component. By opening at 180°F, it helps the engine reach and maintain the intended operating temperature range, supporting consistent coolant circulation in daily driving and stop-and-go traffic. This thermostat is a direct fit for applications such as the Chevrolet Camaro, Malibu, Blazer, Equinox, Impala, Traverse, Malibu Limited, GMC Acadia, Terrain, Buick Envision, Regal, Regal Sportback, Regal TourX, and Cadillac ATS, CTS, and CT6.

This part cross-references Continental 50009 for the same application.

What It Helps Address

• Engine running too cool or taking too long to warm up
• Temperature fluctuations caused by a worn thermostat
• Coolant flow control issues in integrated housing systems
• Check engine concerns related to thermostat performance
• Cooling system service needs on OE-style thermostat housing setups

Installation Notes and Tips

Verify the vehicle uses an integrated housing thermostat before ordering. Match the 180°F opening temperature, outlet dimensions, and 2-bolt housing layout to the original part. Inspect the sealing surface and cooling system condition during service, and follow the vehicle manufacturer’s coolant fill and bleed procedure after installation.

Quality Assurance

Gates develops aftermarket thermostat solutions for integrated housing applications to provide an OE-performance alternative for modern cooling systems. The 34853 is engineered for accurate temperature regulation and control in the listed Chevrolet, GMC, Buick, and Cadillac fitments.