Dorman 603-379 Engine Coolant Reservoir - Front

Engine Coolant Reservoir for Chrysler and Dodge

Dorman 603-379 is a replacement engine coolant reservoir built for front-mounted applications on select Chrysler and Dodge vehicles. It is made from plastic and includes a spring-loaded twist cap with a 16 psi pressure rating for pressurized cooling systems.

Compatible With 2011-2014 Chrysler 200, front and 2008-2014 Dodge Avenger, front. Also fits 2007-2010 Chrysler Cirrus, front and 2007-2010 Chrysler Sebring, front.

Key Features

• Direct replacement engine coolant reservoir for OE-style fit and function
• Plastic construction for underhood cooling system use
• Pressurized design with included cap rated to 16 psi
• Spring-loaded twist cap for secure sealing
• Mounting hole quantity: 2
• White reservoir color for easy visual inspection
• Cross-references part numbers 4596198 and FRT1312C for the same application

Detailed Description

This Dorman coolant reservoir, part number 603-379, is engineered to match the original reservoir’s fit and function on select Chrysler 200, Dodge Avenger, Chrysler Cirrus, and Chrysler Sebring models. It is manufactured from quality materials to handle engine bay heat and vibration, helping maintain proper coolant expansion and recovery in pressurized cooling systems. The included cap and reservoir are specified for front-position applications.

For buyers searching for a Chrysler 200 coolant reservoir, Dodge Avenger coolant reservoir, or Chrysler Sebring coolant reservoir, Dorman 603-379 provides a direct replacement option with the correct pressure-cap setup. It is also a practical match for drivers needing a replacement coolant overflow tank or expansion tank assembly for these vehicles.

What It Helps Address

• Cracked or leaking coolant reservoir housing
• Damaged or missing reservoir cap
• Coolant loss from a compromised expansion tank
• Visible coolant level issues caused by reservoir failure
• Cooling system service needs on front-mounted reservoir applications

Installation Notes and Tips

Verify the vehicle’s year, make, model, and front-position reservoir layout before installation. Confirm the pressure-cap specification matches the cooling system requirements and inspect the mounting points for wear or damage. Transfer any connected hoses carefully and check for leaks after refilling and bleeding the cooling system.

Quality Assurance

Dorman manufactures this reservoir to match OE fit and function using materials selected for underhood heat and vibration exposure. The design follows the original application layout for a straightforward replacement on confirmed Chrysler and Dodge fitments.