Stant 14389 Engine Coolant Thermostat

OE Type Thermostat for 190°F Cooling Control

Stant Part Number 14389 is an OE Type Thermostat built for stable engine coolant temperature control in select Chrysler, Dodge, and Mitsubishi applications. It uses an original equipment design with a stainless steel assembly and durable materials for consistent operation and long service life.

This thermostat opens at 190 degrees Fahrenheit and is specified for vehicles such as the 2001-2005 Chrysler Sebring, 2001-2005 Dodge Stratus, 2000-2005 Mitsubishi Eclipse, 1999-2003 Mitsubishi Galant, and 2003 Mitsubishi Outlander. If you are replacing a worn thermostat on a Mitsubishi Eclipse or Chrysler Sebring, Stant 14389 provides the OE-style temperature rating and dimensions needed for the application.

Key Features

• OE Type Thermostat with original equipment design
• 190°F opening temperature for factory-style coolant regulation
• Stainless steel assembly for smooth, consistent performance
• Durable construction for long service life
• Bypass plate diameter: 1.2 in.
• Flange diameter without seal: 2.205 in.
• Height from flange to bottom: 1.7 in.
• Height from flange to top of bridge: 0.7 in.

Detailed Description

Stant 14389 is an engine coolant thermostat engineered to match OE design expectations while maintaining the 190°F temperature specification used in many late-model Chrysler, Dodge, and Mitsubishi cooling systems. The stainless steel assembly supports smooth movement and reliable temperature cycling, helping the engine reach and maintain proper operating temperature. For buyers searching for a thermostat for Mitsubishi Eclipse, Galant, or Outlander cooling system service, this part number offers a direct OE-style replacement path.

This part cross-references OE part number 48239 for the same application.

What It Helps Address

• Engine running cooler than intended
• Slow warm-up after cold starts
• Temperature fluctuation during normal driving
• Thermostat sticking open or sticking closed
• Cooling system service on OE-spec applications

Installation Notes and Tips

Verify the 190°F temperature rating and compare flange and bypass dimensions before installation. Drain coolant as needed, inspect the thermostat housing and sealing surfaces, and confirm the cooling system is free of debris or corrosion before reassembly. Use the vehicle service procedure for the specific Chrysler Sebring, Dodge Stratus, Mitsubishi Eclipse, Mitsubishi Galant, or Mitsubishi Outlander application.

Quality Assurance

Stant designs this OE Type Thermostat with an original equipment-style form factor and stainless steel assembly to support consistent performance in the specified applications. Part Number 14389 is built to the listed dimensions and temperature rating for accurate fitment and dependable cooling system operation.