Motorad 621-192 Engine Coolant Thermostat

OE-Style 192°F Thermostat for Hyundai and Kia

The Motorad Standard 621-192 engine coolant thermostat is built for precise coolant temperature control in OE-specified applications. It uses OEM-quality materials and manufacturing processes, with a copper case and wax compound for quick reaction to coolant temperature changes.

Compatible With 2011-2015 Kia Optima, 2014-2016 Kia Sportage, 2014 Hyundai Santa Fe Sport, and 2011-2012 Hyundai Sonata. This Motorad 621-192 thermostat includes the thermostat and seal for direct replacement service.

Key Features

• Standard thermostat calibrated to start opening at 192°F
• OE supplier construction with OEM-quality materials and safety standards
• Copper case and wax compound for responsive temperature regulation
• Offset design with air relief valve where applicable
• Jiggle pin weep hole for air bleeding during cooling system service
• O-ring seal type with rubber gasket/seal material
• Gasket or seal included
• Sealing flange outside diameter: 2.12 in
• Height: 2.05 in; height between flanges: 1.44 in
• Bypass diameter: 1.09 in; bypass length: 1.36 in
• Flange thickness: 0.05 in

Detailed Description

The Motorad Standard line focuses on OE-spec thermostat replacement parts for everyday cooling system service. Part number 621-192 is engineered to match factory temperature control requirements in select Hyundai and Kia vehicles, including the Kia Optima, Kia Sportage, Hyundai Santa Fe Sport, and Hyundai Sonata. The 192°F opening temperature supports stable engine warm-up and coolant regulation in the specified applications.

This part cross-references Continental 62192 and Dorman - HELP 56219 for the same application. Motorad 621-192 is a direct-fit style engine coolant thermostat for drivers replacing a worn or temperature-inconsistent thermostat in OE-specified cooling systems.

Common Problems This Part Can Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuations caused by a sticking thermostat
• Coolant flow control issues in the thermostat housing circuit
• Overheating concerns related to delayed thermostat response
• Coolant seepage at the thermostat seal area

Installation Notes and Tips

Install the thermostat with the included seal and verify the sealing surfaces are clean before assembly. The jiggle pin weep hole and air relief features help with air management during service, but the cooling system should still be properly filled and bled according to factory procedure. Confirm the OE-specified application and temperature rating before installation.

Quality Assurance

Motorad manufactures this thermostat to OEM specifications and processes using OE-supplier quality materials. The copper case, wax compound, and OE-style sealing approach are intended to meet the demands of modern automotive cooling systems in the listed Hyundai and Kia applications.