Facet 7.8371S Engine Coolant Thermostat

Engine Coolant Thermostat for Hyundai and Kia

Facet 7.8371S is an engine coolant thermostat for a wide range of Hyundai and Kia applications. It is used to regulate coolant flow so the engine can reach and maintain proper operating temperature. This Facet thermostat is listed for many popular models, including Hyundai Elantra, Tucson, Sonata, Accent, and Kia Sportage, Optima, Sorento, and Rio.

Key Features

• Engine coolant thermostat for temperature control in the cooling system
• Direct fitment coverage for multiple Hyundai and Kia models
• Fits 1996-2015 vehicles across the listed applications
• Facet part number 7.8371S for catalog and service reference
• Notes: gasket not provided

Detailed Description

Facet 7.8371S is a replacement engine coolant thermostat for Hyundai and Kia vehicles that need accurate coolant flow control. By opening and closing at the proper temperature, the thermostat helps the engine warm up correctly and maintain stable operating temperature during driving. This part number 7.8371S is listed for applications such as Fits 2005-2015 Hyundai Tucson, N/A; Fits 2009-2014 Hyundai Sonata, N/A; Fits 1996-2012 Hyundai Elantra, N/A; and Fits 2004-2009 Kia Spectra, N/A. It also covers Kia Optima, Sorento, Sportage, Forte, Soul, Rio, and related Hyundai models in the fitment table.

What It Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuations during normal driving
• Cooling system service on Hyundai Elantra, Tucson, Sonata, and Accent
• Cooling system service on Kia Sportage, Optima, Sorento, and Rio
• Thermostat replacement during routine cooling system repair

Installation Notes and Tips

Verify the year, make, and model against the fitment list before installation. The notes state that a gasket is not provided, so confirm the correct sealing component for your application before service. Inspect the thermostat housing and cooling passages for wear, corrosion, or residue during replacement. For best results, refill and bleed the cooling system according to the vehicle service procedure after installation.

Quality Assurance

Facet 7.8371S is cataloged as an engine coolant thermostat for the listed Hyundai and Kia applications and is identified by the Facet part number for accurate ordering and service matching.