Beck Arnley 143-0857 Engine Coolant Thermostat

OE-Style Thermostat Replacement

Beck Arnley Engine Coolant Thermostat 143-0857 is built for foreign nameplate applications that require OE specifications for form, fit, and function. It is a direct-fit cooling system service part for vehicles that call for a 172-degree thermostat and a housing not included configuration.

Key Features

• OE-spec replacement thermostat for accurate cooling system control.
• 172-degree temperature rating for the specified application.
• Housing not included for service where the thermostat is replaced separately.
• Includes gasket/seal per listed fitment notes.
• Beck Arnley part number 143-0857 for catalog matching and ordering.

Application Details

Fits 2006-2010 Kia Optima, N/A. Fits 2007-2010 Kia Rondo, N/A. Fits 2007-2009 Hyundai Santa Fe, N/A. This part number, 143-0857, is listed for applications that specify original equipment temperature and a 172-degree thermostat setting. It is a practical choice for Kia Optima, Kia Rondo, and Hyundai Santa Fe cooling system service when the thermostat specification must match the original design.

What It Helps Address

• Engine running too cool or too warm from a worn thermostat.
• Cooling system temperature control that no longer matches OE specification.
• Thermostat service where the housing is reused.
• Replacement needs for vehicles calling for a 172-degree thermostat.

Installation Notes

Verify the original thermostat temperature before installation. The housing is not included, so inspect the existing housing and sealing surfaces during service. Use the listed gasket/seal requirement for the application and confirm fitment by year, make, and model before installation. Part number 143-0857 should be matched to the vehicle’s OE temperature specification.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. The brand works with global sourcing partners to help ensure the correct replacement part is selected for the application.