Calorstat TH6520.88J Engine Coolant Thermostat

Engine Coolant Thermostat for Hyundai and Kia

Calorstat TH6520.88J is a standard engine coolant thermostat with a 190°F opening temperature for precise coolant flow control. It includes a gasket seal and is built for direct-fit service on select Hyundai, Kia, and Genesis applications.

Key Features

• Standard engine coolant thermostat design
• Starts to open at 190.0°F / 88°C
• Sealing flange outside diameter: 2.36 in.
• Height between flanges: 1.61 in.
• Gasket included with rubber seal material
• Direct replacement for select Hyundai Santa Fe, Kia Sorento, and related applications

Detailed Description

Calorstat TH6520.88J is an engine coolant thermostat designed to regulate coolant circulation at the specified opening temperature of 190°F. The standard thermostat construction, gasket seal, and rubber sealing material support a proper seal at the housing interface. This part number is used in a range of late-model Hyundai, Kia, and Genesis vehicles, including Hyundai Santa Fe XL, Hyundai Santa Fe, Kia Sedona, Kia Sorento, Genesis G80, Hyundai Azera, Hyundai Genesis, Kia Cadenza, and Kia K900. This part cross-references Motorad 635-192 for the same application.

What It Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuation caused by a thermostat that no longer opens at the correct point
• Coolant flow control issues in the thermostat housing circuit
• Overheating concerns related to restricted thermostat operation
• Coolant seepage at the thermostat seal interface

Installation Notes and Tips

Verify the thermostat opening temperature and housing dimensions before installation. Confirm vehicle application by year, make, and model, especially for Hyundai Santa Fe XL 2013-2019, Hyundai Santa Fe 2013-2018, Kia Sedona 2015-2018, Kia Sorento 2014-2018, Genesis G80 2017, Hyundai Azera 2012-2017, Hyundai Genesis 2014-2016, Kia Cadenza 2014-2016, and Kia K900 2015-2016. Clean the sealing surfaces thoroughly and install with the included gasket seal to help maintain a proper coolant seal. TH6520.88J is also referenced in fitment searches for Hyundai Santa Fe and Kia Sorento thermostat replacement.

Quality Assurance

Calorstat thermostat components are specified by application and temperature rating to support accurate fitment selection. TH6520.88J is identified with a 190°F opening temperature and includes the gasket seal required for the listed applications.