Calorstat TH1476.79J Engine Coolant Thermostat

Engine Coolant Thermostat for Chrysler Voyager

Calorstat TH1476.79J is a standard engine coolant thermostat built for precise coolant flow control in the cooling system. It is listed for Chrysler Voyager applications from 1995-2008, including 2004-2008 Chrysler Voyager with an opening temperature of 79 C / 174 F.

Key Features

• Standard engine coolant thermostat for cooling system temperature regulation
• Start to open temperature: 174.0°F
• Gasket or seal included for installation
• O-ring seal type with rubber seal material
• Jiggle pin weep hole for air bleeding during service
• Sealing flange outside diameter: 2.63 in.
• Valve-seat diameter: 67.0 mm
• By-pass valve diameter: 43.0 mm
• Height between flanges: 1.02 in.

Detailed Description

Calorstat TH1476.79J thermostat is engineered for Chrysler Voyager cooling system service where stable operating temperature matters. This engine coolant thermostat opens at 174°F and uses an O-ring seal with a rubber sealing element to help maintain a secure fit at the housing interface. The jiggle pin weep hole supports air purging during coolant fill and service, while the standard design matches common thermostat housing requirements for Voyager models across the listed years. This part number, TH1476.79J, is also referenced in cross-application catalogs for the same fitment family.

This part cross-references Bosch 13640 for the same application.

Vehicle Fitment

• Fits 2004-2008 Chrysler Voyager, N/A. Notes: Opening Temp: 79 C / 174 F
• Fits 2000-2003 Chrysler Voyager, N/A
• Fits 1995-1999 Chrysler Voyager, N/A. Notes: OEM Recommended

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed warm-up after cold starts
• Temperature fluctuation during driving or idling
• Coolant flow control issues in the thermostat housing
• Air trapped in the cooling system after service

Installation Notes and Tips

Verify housing dimensions, seal condition, and coolant specification before installation. Clean the thermostat seating surface thoroughly and confirm the jiggle pin weep hole is oriented according to the vehicle service procedure. After installation, refill and bleed the cooling system carefully to remove trapped air and check for leaks at the flange and O-ring seal.

Quality Assurance

Calorstat TH1476.79J is built as a standard replacement thermostat for the listed Chrysler Voyager applications and is supported by published dimensional and temperature specifications for accurate parts matching.