Beck Arnley 143-0804 Engine Coolant Thermostat

Engine Cooling Control for Mitsubishi Applications

The Beck Arnley 143-0804 engine coolant thermostat is built to OE specifications for form, fit, and function in foreign nameplate applications. It is set to 192 degrees and includes the gasket/seal, making it a direct replacement choice for Mitsubishi Endeavor, Galant, Eclipse, Diamante, Montero Sport, and Montero models.

Key Features

• Engine coolant thermostat set at 192 degrees
• Includes gasket/seal for the thermostat installation
• Housing not included
• OE-style replacement for foreign nameplate cooling systems
• Part number: 143-0804

Detailed Description

Beck Arnley 143-0804 is an engine coolant thermostat engineered to match original equipment temperature control requirements for select Mitsubishi vehicles. By regulating coolant flow at the specified 192-degree opening temperature, it helps maintain proper engine operating temperature in applications such as the Mitsubishi Endeavor, Galant, Eclipse, Diamante, Montero Sport, and Montero. Beck Arnley sources parts to meet foreign nameplate OE specifications, giving technicians a replacement thermostat that aligns with the original design intent. The housing is not included, so verify your existing housing condition before installation. This part number, 143-0804, is a fitment-focused solution for Mitsubishi cooling system service.

What This Part Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed warm-up after cold starts
• Temperature fluctuation from a sticking thermostat
• Cooling system service on Mitsubishi Endeavor, Galant, Eclipse, Diamante, Montero Sport, or Montero
• Replacement of a thermostat that no longer opens at the correct temperature

Installation Notes and Tips

Fits 2010-2011 Mitsubishi Endeavor, N/A. Fits 2004-2008 Mitsubishi Endeavor, N/A. Fits 2009 Mitsubishi Galant, N/A. Fits 1999-2007 Mitsubishi Galant, N/A. Fits 2000-2005 Mitsubishi Eclipse, N/A. Fits 1998-2004 Mitsubishi Diamante, N/A. Fits 1999-2004 Mitsubishi Montero Sport, N/A. Fits 1998-2003 Mitsubishi Montero Sport, N/A. Fits 1998-2002 Mitsubishi Montero, N/A. Fits 1997 Mitsubishi Diamante, N/A. Confirm the thermostat housing condition before service since the housing is not included. Replace the gasket/seal during installation and verify the cooling system is properly filled and bled after repair. Use the vehicle’s original equipment temperature specification when matching the part to the application.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. This thermostat is built for the listed Mitsubishi applications and follows the original equipment temperature requirement of 192 degrees.