Motorad 635-192 Engine Coolant Thermostat

OE-Style 192°F Engine Coolant Thermostat

The Motorad Standard 635-192 engine coolant thermostat is built for OE-style temperature control in demanding cooling systems. It opens at 192°F and includes the seal needed for a direct replacement on select Hyundai and Kia applications.

Designed for vehicles such as the Hyundai Santa Fe, Hyundai Genesis, and Kia Sorento, this thermostat helps maintain stable coolant flow and operating temperature. The Motorad 635-192 uses OEM-spec materials and processes, with a copper case and wax compound for responsive temperature changes.

Key Features

• 192°F start-to-open temperature for factory-style cooling control
• Standard thermostat design with OE-style seals included
• Copper case and wax compound for quick response to coolant temperature changes
• Jiggle pin weep hole and air relief valve design for easier air bleeding where applicable
• Rubber O-ring seal included
• Offset design for specified applications
• Sealing flange outside diameter: 2.5 in.
• Height: 2.37 in.; height between flanges: 1.66 in.

Detailed Description

Motorad Standard part number 635-192 is an engine coolant thermostat engineered to OE specifications for select Hyundai and Kia models. It is manufactured with OEM-quality materials and safety standards by an OE supplier, and it is built to handle demanding automotive cooling systems. The 192-degree calibration supports proper engine warm-up and temperature regulation, while the copper case and wax compound help the thermostat react quickly as coolant temperature changes. This part cross-references Wix 49690 for the same application.

Compatible With 2010-2016 Hyundai Genesis, 2011-2013 Hyundai Equus, 2012-2017 Hyundai Azera, 2013-2018 Hyundai Santa Fe, 2014-2019 Hyundai Santa Fe XL, 2015-2019 Kia Sedona, 2014-2019 Kia Sorento, 2015-2017 Kia K900, and 2014-2016 Kia Cadenza.

What It Helps Address

• Engine running too cool or too warm
• Delayed coolant circulation after startup
• Temperature fluctuation from a worn thermostat
• Coolant flow issues caused by a sticking thermostat
• Seal-related coolant leakage at the thermostat housing

Installation Notes and Tips

Verify the 192°F temperature rating and housing dimensions before installation. Replace the thermostat seal during service, and inspect the cooling system for trapped air, corrosion, or contamination that could affect operation. This part is listed for N/A position applications and includes a jiggle pin weep hole for air relief where applicable.

Quality Assurance

Motorad manufactures this thermostat to OEM specifications and processes using OE-supplier quality materials. The Standard line focuses on direct-fit cooling system service parts for factory-style performance and fitment.