Beck Arnley 143-0545 Engine Coolant Thermostat

Engine Coolant Thermostat for OE-Style Cooling Control

The Beck Arnley 143-0545 engine coolant thermostat is built to match foreign nameplate OE specifications for form, fit, and function. It is a 188-degree thermostat with the housing not included, making it a direct replacement choice for a wide range of Mazda, Toyota, Mercedes-Benz, Jaguar, Volvo, and Dodge applications.

For drivers searching for a 188 degree thermostat for Toyota Matrix, Mercedes-Benz 300E, or Jaguar XJ6 applications, this part number 143-0545 provides the temperature control needed to help maintain proper engine operating range.

Key Features

• Engine coolant thermostat with 188 temperature rating
• Housing not included
• OE-spec fit, form, and function for foreign nameplate vehicles
• Includes gasket/seal on listed applications
• Beck Arnley part number 143-0545

Detailed Description

Beck Arnley 143-0545 is an engine coolant thermostat engineered for applications that call for a 188-degree opening temperature. Beck Arnley sources parts to meet foreign vehicle OE specifications, helping ensure the thermostat matches the original design requirements for the listed Mazda B4000, Toyota Solara and Matrix, Mercedes-Benz 190E, 300E, 300SE, 300SEL, 300SL, 300TE, C280, E320, SL320, and related Jaguar and Volvo applications. This thermostat is also listed for 1990-1991 Dodge Monaco and select 1965-1969 and 1970-1973 Mercedes-Benz 300SEL models.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Engine running too cool or too warm
• Delayed warm-up after cold starts
• Temperature fluctuation during normal driving
• Cooling system service on OE-style replacement jobs
• Thermostat replacement on high-mileage foreign vehicles

Installation Notes and Tips

Verify the thermostat housing condition before installation, since the housing is not included. Confirm the 188-degree specification against the vehicle application before ordering, and replace the gasket or seal as required by the listed fitment notes. Clean the sealing surfaces thoroughly to help prevent coolant leaks after installation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. That sourcing approach supports confident installation on the listed Mazda, Toyota, Mercedes-Benz, Jaguar, Volvo, and Dodge applications.