Gates 34163 Engine Coolant Thermostat

OE Type Thermostat for Precise Cooling Control

Gates OE Type Thermostat 34163 is built for accurate engine temperature regulation and a leak-free OEM-equivalent fit. It is a direct replacement engine coolant thermostat for a wide range of GM vehicles, including Chevrolet Impala, Equinox, Traverse, Camaro, and GMC Acadia applications.

The Gates OE Type Thermostat line focuses on OE-style temperature control and fitment, making it a practical choice when replacing a worn thermostat during cooling system service.

Key Features

• OE Type Thermostat engineered for OEM-equivalent fit and temperature control
• Start-to-open temperature: 180°F / 82°C
• Bottom by-pass design for listed applications
• Stainless steel and copper construction
• Jiggle pin weep hole for air bleeding during service
• Seal type: gasket and O-ring
• Installation tool included
• OE performance comparison rating

Product Details

This Gates 34163 engine coolant thermostat is designed to regulate coolant flow at the specified opening temperature so the engine can reach and maintain proper operating temperature. The OE Type Thermostat construction uses stainless steel and copper materials, with a bottom by-pass design, jiggle pin weep hole, and OE-style sealing surfaces for a secure installation. It is a strong match for drivers searching for a 180 degree thermostat for Chevrolet Impala 2014-2018, Buick Enclave 2008-2017, or GMC Acadia 2014-2016 cooling system repair.

This part cross-references Bosch 15148 for the same application.

Common Problems This Part Can Address

• Engine running too cool or too hot due to thermostat wear
• Temperature fluctuations during stop-and-go driving
• Coolant flow issues caused by a sticking thermostat
• Cooling system service on vehicles with a removed or replaced thermostat housing
• Replacement needs for GM models requiring an OE-style 180°F thermostat

Installation Notes and Tips

• Verify the application notes for your vehicle, especially where the listing specifies W/O Housing or Excludes Housing.
• Use the included installation tool where applicable to help with thermostat service.
• Inspect the sealing surfaces and replace damaged gaskets or O-rings as needed during cooling system repair.
• Bleed air from the cooling system after installation to help prevent temperature irregularities.
• Confirm the correct opening temperature and housing style before installation on Chevrolet, Buick, Cadillac, and GMC applications.

Quality Assurance

Gates OE Type Thermostats are engineered to provide precise temperature control and OEM-equivalent fit for listed applications. Gates 34163 is built to OE performance expectations for dependable cooling system service.