Calorstat TH6583.88 Engine Coolant Thermostat

Engine Coolant Thermostat for Mitsubishi and Chrysler

Calorstat TH6583.88 is a standard engine coolant thermostat built for precise coolant flow control and stable operating temperature. With an 88 C / 190 F start-to-open temperature, it is a direct-fit style replacement for select Mitsubishi, Chrysler, and Dodge applications, including Mitsubishi Galant, Eclipse, Endeavor, Diamante, Montero, and Montero Sport.

The TH6583.88 thermostat is specified with a 2.51 in sealing flange outside diameter and 1.61 in height between flanges. It is supplied without a gasket or seal, so the correct sealing component must be selected separately for the application.

Key Features

• Calorstat TH6583.88 engine coolant thermostat
• Standard thermostat design for OE-style temperature regulation
• Starts to open at 190 F / 88 C
• Sealing flange outside diameter: 2.51 in
• Height between flanges: 1.61 in
• Gasket or seal not included
• Cross-references Dorman - HELP 14129 for the same application

Detailed Description

This Calorstat thermostat is used in cooling systems that require consistent coolant circulation control at the specified opening temperature. It is a strong match for drivers searching for a Mitsubishi Galant thermostat, Mitsubishi Eclipse thermostat, or Mitsubishi Montero thermostat with the correct 88 C / 190 F operating point. The TH6583.88 also appears in fitment for Mitsubishi Endeavor, Diamante, Montero Sport, Chrysler Sebring, Chrysler Cirrus, and Dodge Stratus applications.

This part cross-references Dorman - HELP 14129 for the same application. Additional interchange references include Motorad 297-192 and 301-192, along with TH6583.88J.

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 Mitsubishi Galant, Eclipse, Endeavor, and Montero models
• Replacement of a worn or sticking thermostat

Installation Notes and Tips

Verify the thermostat housing style, sealing flange dimensions, and opening temperature before installation. Because no gasket or seal is included, reuse should not be assumed; select the correct seal for the specific vehicle and housing. Always inspect the cooling system, bleed air from the system after service, and confirm proper coolant level before returning the vehicle to service.

Compatible With: Fits 2010-2011 Mitsubishi Endeavor, N/A; Fits 2004-2008 Mitsubishi Endeavor, N/A; Fits 2009 Mitsubishi Galant, N/A; Fits 2007 Mitsubishi Galant, N/A; Fits 1999-2006 Mitsubishi Galant, N/A; Fits 2002-2005 Mitsubishi Eclipse, N/A; Fits 2001-2004 Chrysler Sebring, N/A; Fits 2001-2004 Dodge Stratus, N/A; Fits 1998-2004 Mitsubishi Diamante, N/A; Fits 1998-2004 Mitsubishi Montero Sport, N/A; Fits 1998-2002 Mitsubishi Montero, N/A; Fits 2000-2001 Mitsubishi Eclipse, N/A; Fits 1998 Chrysler Cirrus, N/A; Fits 1998 Dodge Stratus, N/A; Fits 1997 Mitsubishi Diamante, N/A; Fits 1997 Mitsubishi Montero, N/A.

Quality Assurance

Calorstat cooling system components are built to meet application-specific fitment and temperature requirements for the listed vehicles. Confirm part number TH6583.88 against the vehicle’s original thermostat specification before installation.