HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-392 Engine Coolant Reservoir - Front
Part #: 603-392

Dorman 603-392 Engine Coolant Reservoir - Front

Front
⚙️ 47 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chrysler, Dodge, and Mitsubishi, Sebring, Stratus, Eclipse, and Galant
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Overview of Dorman Engine Coolant Reservoir 603-392

The Dorman 603-392 engine coolant reservoir is designed for reliable coolant storage and overflow management in select Chrysler, Dodge, and Mitsubishi vehicles. This white plastic reservoir includes a cap and is engineered to meet the cooling system requirements of models like the Eclipse, Galant, Sebring, and Stratus.

  • Constructed from durable white plastic for corrosion resistance
  • Includes one coolant reservoir and one cap for a complete replacement
  • Features two mounting holes for secure installation
  • Cap type included to maintain proper coolant containment
  • Non-pressurized design suitable for specified vehicle cooling systems

Detailed Product Description

The Dorman 603-392 engine coolant reservoir is a direct replacement part compatible with Chrysler, Dodge, and Mitsubishi vehicles, specifically the Eclipse, Galant, Sebring, and Stratus models. Made from sturdy plastic, this reservoir is designed to withstand the thermal and chemical stresses of engine coolant systems. The included cap ensures a proper seal to prevent coolant loss and contamination. With two mounting holes, the reservoir can be securely attached without the need for additional mounting brackets or hardware, which are not included. Its non-pressurized design aligns with the original equipment specifications for the listed vehicles.

Common Applications and Issues Addressed

  • Replacement of cracked or leaking coolant reservoirs
  • Resolving coolant overflow or loss due to damaged tanks
  • Preventing engine overheating caused by insufficient coolant storage
  • Restoring proper coolant system function in Chrysler Eclipse and Dodge Stratus models
  • Maintaining coolant containment in Mitsubishi Galant and Sebring vehicles

Installation Notes and Tips

  • Ensure the engine is cool before removing the old reservoir to avoid burns
  • Check for any damaged hoses or fittings during installation
  • Use the existing mounting holes for secure attachment; no additional brackets or hardware are required
  • Verify the cap is properly seated to maintain coolant system integrity
  • After installation, refill the coolant to the recommended level and check for leaks

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-392 engine coolant reservoir undergoes quality inspections to ensure durability and compatibility with specified Chrysler, Dodge, and Mitsubishi models. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part Number603-392
Cap IncludedYes
Cap TypeYes
ColorWhite
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 47 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2005ChryslerSebringCoupe3.0LV6Front
2005ChryslerSebringCoupe2.4LL4Front
2005DodgeStratusCoupe3.0LV6Front
2005DodgeStratusCoupe2.4LL4Front
2005DodgeStratusCoupe2.7LV6Front
2005MitsubishiEclipse3.0LV6Front
2005MitsubishiEclipse2.4LL4Front
2004ChryslerSebringCoupe3.0LV6Front
2004ChryslerSebringCoupe2.4LL4Front
2004DodgeStratusCoupe3.0LV6Front
2004DodgeStratusCoupe2.4LL4Front
2004DodgeStratusCoupe2.7LV6Front
2004MitsubishiEclipse3.0LV6Front
2004MitsubishiEclipse2.4LL4Front
2003ChryslerSebringCoupe3.0LV6Front
2003ChryslerSebringCoupe2.4LL4Front
2003DodgeStratusCoupe3.0LV6Front
2003DodgeStratusCoupe2.4LL4Front
2003DodgeStratusCoupe2.7LV6Front
2003MitsubishiEclipse3.0LV6Front
2003MitsubishiEclipse2.4LL4Front
2003MitsubishiGalant3.0LV6Front
2003MitsubishiGalant2.4LL4Front
2002ChryslerSebringCoupe3.0LV6Front
2002ChryslerSebringCoupe2.4LL4Front
2002DodgeStratusCoupe3.0LV6Front
2002DodgeStratusCoupe2.4LL4Front
2002DodgeStratusCoupe2.7LV6Front
2002MitsubishiEclipse3.0LV6Front
2002MitsubishiEclipse2.4LL4Front
2002MitsubishiGalant3.0LV6Front
2002MitsubishiGalant2.4LL4Front
2001ChryslerSebringCoupe3.0LV6Front
2001ChryslerSebringCoupe2.4LL4Front
2001DodgeStratusCoupe3.0LV6Front
2001DodgeStratusCoupe2.4LL4Front
2001DodgeStratusCoupe2.7LV6Front
2001MitsubishiEclipse3.0LV6Front
2001MitsubishiEclipse2.4LL4Front
2001MitsubishiGalant3.0LV6Front
2001MitsubishiGalant2.4LL4Front
2000MitsubishiEclipse3.0LV6Front
2000MitsubishiEclipse2.4LL4Front
2000MitsubishiGalant3.0LV6Front
2000MitsubishiGalant2.4LL4Front
1999MitsubishiGalant3.0LV6Front
1999MitsubishiGalant2.4LL4Front

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

6258ACDAKG-6258ACFRT1305CMR212510

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.