Gates 34734 Engine Coolant Thermostat

OE Type Thermostat for GM Cooling Systems

The Gates OE Type Thermostat 34734 is built for precise engine temperature control and a leak-free seal in OE-style cooling system service. It is a direct-fit engine coolant thermostat for select Chevrolet, Buick, Cadillac, and Saturn applications, including Chevrolet Impala, Buick Enclave, and Cadillac SRX.

Gates OE Type Thermostats are part of the OE Type Thermostat line, focused on OEM-equivalent fit and consistent temperature regulation for everyday cooling system repair. This makes the 34734 a practical choice when replacing a thermostat on GM vehicles that require a 180-degree opening temperature.

Key Features

• OE Type thermostat with OE Performance comparison rating
• 180-degree start-to-open temperature for factory-style engine warm-up control
• Bottom by-pass design for the listed applications
• Steel and copper construction for cooling system service
• Gasket seal type with one gasket and one jiggle pin weep hole
• Leak-free, OEM-equivalent fitment focus

Detailed Product Overview

This Gates 34734 thermostat is engineered for vehicles that use a bottom by-pass thermostat design and a 180-degree operating range. It helps regulate coolant flow so the engine reaches and maintains the intended temperature more consistently, which is important for drivability, heater performance, and cooling system balance. The thermostat includes a gasket and uses a jiggle pin weep hole for service-friendly air bleeding during installation.

Fits 2014-2018 Chevrolet Impala, N/A; Fits 2008-2017 Buick Enclave, N/A; Fits 2015-2017 Chevrolet Equinox, N/A; Fits 2015-2016 Buick LaCrosse, N/A; Fits 2016 Cadillac SRX, N/A; Fits 2014-2016 Chevrolet Impala Limited, N/A; Fits 2010-2014 Cadillac SRX, N/A; Fits 2013-2014 Cadillac XTS, N/A; Fits 2012-2013 Chevrolet Impala, N/A; Fits 2010-2012 Buick LaCrosse, N/A; Fits 2008-2012 Chevrolet Malibu, N/A; Fits 2009 Saturn Vue, N/A.

This part cross-references Motorad 719-180 and Dayco 71980 for the same application.

Common Cooling Issues It May Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuation caused by a worn thermostat
• Coolant flow control problems in the thermostat housing circuit
• Heater output issues related to improper engine warm-up
• Cooling system service needs on GM vehicles with OE-style thermostat fitment

Installation Notes and Tips

Verify the thermostat orientation, bypass design, and opening temperature before installation. Clean the sealing surfaces thoroughly and replace the gasket during service to support a proper seal. Because this thermostat is listed without a housing, confirm that your application uses a separate thermostat and housing arrangement before ordering. The jiggle pin weep hole should be positioned according to the vehicle service procedure to help purge trapped air.

Quality Assurance

Gates OE Type Thermostats are engineered for precise temperature control and OEM-equivalent fit in the listed applications. The 34734 is built to meet the demands of routine cooling system repair on compatible Chevrolet, Buick, Cadillac, and Saturn models.