Gates 33938 Engine Coolant Thermostat

OE Type Thermostat for Precise Cooling Control

Gates OE Type Thermostat 33938 is built for direct-fit cooling system service on a wide range of Hyundai and Kia applications. It delivers OE-style temperature control with a leak-resistant fit, making it a practical replacement for vehicles that call for a 180-degree thermostat.

This thermostat is a strong match for drivers searching for a 180 degree thermostat for Hyundai Elantra, Tucson, Sonata, Accent, or Kia Sportage, Optima, Sorento, and Soul applications. The Gates OE Type Thermostat line focuses on OEM-equivalent fit and consistent coolant regulation.

Key Features

• OE Type Thermostat construction for factory-style cooling system operation
• Start-to-open temperature: 180°F / 82°C
• Bottom by-pass design for the listed applications
• Stainless steel and copper construction for corrosion resistance and thermal response
• Jiggle pin weep hole included for air bleeding during service
• OE Performance comparison rating
• Gates part number 33938 for easy identification

Detailed Description

Gates 33938 is engineered as an OE Type Thermostat to help maintain proper engine operating temperature in compatible Hyundai and Kia vehicles. The thermostat uses a bottom by-pass design and a metal construction that includes stainless steel and copper, supporting stable coolant flow control and a leak-free seal at the housing interface. For shoppers comparing thermostat replacement options, 33938 is a direct-fit solution for many 180-degree OE temperature applications, including Hyundai Santa Fe, Hyundai Tucson, Kia Sportage, Kia Optima, Kia Sorento, and Kia Soul.

This part cross-references Motorad 335-180 for the same application.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed warm-up after cold starts
• Temperature fluctuation from a sticking thermostat
• Coolant flow control issues in OE-temperature applications
• Service replacement needs on Hyundai Elantra and Kia Sportage cooling systems

Installation Notes and Tips

• Verify the housing and bypass configuration before installation.
• Inspect the sealing surfaces and coolant condition during service.
• Bleed trapped air from the cooling system after installation using the jiggle pin orientation as required by the vehicle service procedure.
• Confirm the application matches the listed 180°F OE temperature specification for your vehicle.

Quality Assurance

Gates OE Type Thermostats are built to provide precise temperature control and an OEM-equivalent fit for the listed applications. Part number 33938 is engineered for consistent service in compatible Hyundai and Kia cooling systems.