Gates 34054 Engine Coolant Thermostat

OE Type Thermostat for Precise Cooling Control

Gates 34054 is an OE Type Thermostat built for direct replacement in the engine cooling system. It is engineered for precise temperature control and an OEM-equivalent fit, with a bottom by-pass design, O-ring seal, and jiggle pin weep hole for dependable operation.

Compatible With 2006-2011 Chevrolet Impala, 2006-2010 Chevrolet Malibu, and other listed Buick, Pontiac, Saturn, and Chevrolet applications, this thermostat is a fitment-based replacement for vehicles that call for a 185 degree opening temperature.

Key Features

• OE Type Thermostat with OE Performance comparison rating
• 185 degree start-to-open temperature for listed applications
• Bottom by-pass design for the specified cooling system layout
• Stainless steel and copper construction
• O-ring seal with one seal and no gasket required
• Jiggle pin weep hole for air bleeding during service
• Direct replacement part number 34054

Product Details

The Gates OE Type Thermostat line is built for drivers who need accurate coolant flow control and a leak-resistant fit. Part number 34054 is designed around OE-style dimensions and materials, including stainless steel, copper, and rubber seal material, to match the original thermostat function in the cooling system. This thermostat is listed for 2006-2011 Chevrolet Impala, 2006-2010 Chevrolet Malibu, 2006-2010 Pontiac G6, 2006-2009 Chevrolet Uplander, 2006-2009 Pontiac Montana, 2008-2009 Saturn Vue, 2007-2008 Saturn Aura, 2006-2007 Buick Terraza, 2006-2007 Chevrolet Monte Carlo, 2006-2007 Saturn Relay, and 2009-2011 Buick Lucerne.

This part cross-references Motorad 511-185 and Wix 51185 for the same application.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant circulation after cold starts
• Temperature fluctuation from a sticking thermostat
• Coolant seepage at the thermostat sealing surface
• Air trapped in the cooling system during service

Installation Notes and Tips

Verify the 185 degree temperature specification, bottom by-pass design, and sealing dimensions before installation. Clean the housing mating surfaces thoroughly and inspect the O-ring seat for debris or corrosion. The jiggle pin weep hole should be oriented to allow trapped air to escape during refill and bleeding. Confirm vehicle-specific fitment for your Chevrolet Impala, Chevrolet Malibu, or other listed application before assembly.

Quality Assurance

Gates designs OE Type Thermostats to deliver precise temperature control and an OEM-equivalent fit for the listed applications. Part number 34054 is built to OE-style standards for cooling system service and replacement.