HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-056 Engine Coolant Reservoir - Front
Part #: 603-056

Dorman 603-056 Engine Coolant Reservoir - Front

Front
⚙️ 66 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chrysler and Dodge, 300, Challenger, Charger, and Magnum
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Reliable Engine Coolant Reservoir for Chrysler and Dodge Vehicles

The Dorman 603-056 engine coolant reservoir is designed to maintain optimal cooling system performance for select Chrysler and Dodge models. Crafted from durable plastic, this reservoir ensures efficient coolant storage and pressure management for your vehicle's engine.

  • Constructed from high-quality plastic for durability
  • Dimensions: 355mm length and 274mm height for precise fitment
  • Includes a spring loaded twist cap rated for 18 psi pressure
  • Pressurized reservoir with two mounting holes for secure installation
  • Cap included for immediate replacement needs

Product Details and Specifications

This engine coolant reservoir by Dorman is specifically engineered for compatibility with Chrysler 300, Dodge Challenger, Charger, and Magnum models. The irregular shape of the reservoir is designed to fit seamlessly within the engine bay, optimizing space without compromising capacity. The included spring loaded twist cap maintains system pressure up to 18 psi, which is critical for preventing coolant loss and overheating. Although mounting hardware and brackets are not included, the reservoir features two mounting holes to facilitate straightforward installation using existing vehicle components.

Compatible Vehicles and Applications

This coolant reservoir is compatible with the following vehicles:

  • Chrysler 300
  • Dodge Challenger
  • Dodge Charger
  • Dodge Magnum

It is designed to replace worn or damaged reservoirs that may cause coolant leaks, pressure loss, or engine overheating.

Common Issues Addressed by This Coolant Reservoir

  • Coolant leaks due to cracked or damaged reservoir tanks
  • Loss of system pressure causing engine overheating
  • Faulty or missing reservoir caps leading to coolant evaporation
  • Inadequate coolant storage affecting engine temperature regulation
  • Degraded plastic reservoirs that compromise cooling system integrity

Installation Notes and Tips

Installation of the Dorman 603-056 engine coolant reservoir requires removal of the old reservoir and securing the new unit using the vehicle’s existing mounting points. Since mounting hardware and brackets are not included, ensure that your current hardware is in good condition or obtain replacements as needed. The spring loaded twist cap should be properly tightened to maintain system pressure. Always allow the engine to cool before beginning installation to avoid injury from hot coolant.

Quality Assurance and Warranty Information

Dorman manufactures this engine coolant reservoir to meet or exceed OEM specifications for fit, form, and function. The part number 603-056 undergoes rigorous quality control to ensure durability and reliable performance in Chrysler and Dodge vehicles. Warranty coverage details can be obtained from the product documentation or manufacturer directly.

BrandDorman
Part Number603-056
Cap IncludedYes
Cap Maximum Pressure Rating18
Cap TypeSpring Loaded Twist
ColorWhite
Height274
Length355
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedYes
ShapeIrregular

This part fits 66 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010Chrysler3005.7LV8Front
2010Chrysler3006.1LV8Front
2010Chrysler3003.5LV6Front
2010Chrysler3002.7LV6Front
2010DodgeChallenger5.7LV8Front
2010DodgeChallenger6.1LV8Front
2010DodgeChallenger3.5LV6Front
2010DodgeCharger5.7LV8Front
2010DodgeCharger6.1LV8Front
2010DodgeCharger3.5LV6Front
2010DodgeCharger2.7LV6Front
2009Chrysler3005.7LV8Front
2009Chrysler3006.1LV8Front
2009Chrysler3003.5LV6Front
2009Chrysler3002.7LV6Front
2009DodgeChallenger5.7LV8Front
2009DodgeChallenger6.1LV8Front
2009DodgeChallenger3.5LV6Front
2009DodgeCharger5.7LV8Front
2009DodgeCharger6.1LV8Front
2009DodgeCharger3.5LV6Front
2009DodgeCharger2.7LV6Front
2008Chrysler3005.7LV8Front
2008Chrysler3006.1LV8Front
2008Chrysler3003.5LV6Front
2008Chrysler3002.7LV6Front
2008DodgeChallenger6.1LV8Front
2008DodgeCharger5.7LV8Front
2008DodgeCharger6.1LV8Front
2008DodgeCharger3.5LV6Front
2008DodgeCharger2.7LV6Front
2008DodgeMagnum5.7LV8Front
2008DodgeMagnum6.1LV8Front
2008DodgeMagnum3.5LV6Front
2008DodgeMagnum2.7LV6Front
2007Chrysler3005.7LV8Front
2007Chrysler3006.1LV8Front
2007Chrysler3003.5LV6Front
2007Chrysler3002.7LV6Front
2007DodgeCharger5.7LV8Front
2007DodgeCharger6.1LV8Front
2007DodgeCharger3.5LV6Front
2007DodgeCharger2.7LV6Front
2007DodgeMagnum5.7LV8Front
2007DodgeMagnum6.1LV8Front
2007DodgeMagnum3.5LV6Front
2007DodgeMagnum2.7LV6Front
2006Chrysler3005.7LV8Front
2006Chrysler3006.1LV8Front
2006Chrysler3003.5LV6Front
2006Chrysler3002.7LV6Front
2006DodgeCharger5.7LV8Front
2006DodgeCharger6.1LV8Front
2006DodgeCharger3.5LV6Front
2006DodgeCharger2.7LV6Front
2006DodgeMagnum5.7LV8Front
2006DodgeMagnum6.1LV8Front
2006DodgeMagnum3.5LV6Front
2006DodgeMagnum2.7LV6Front
2005Chrysler3005.7LV8Front
2005Chrysler3006.1LV8Front
2005Chrysler3003.5LV6Front
2005Chrysler3002.7LV6Front
2005DodgeMagnum5.7LV8Front
2005DodgeMagnum3.5LV6Front
2005DodgeMagnum2.7LV6Front

* 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:

4596466AF603056FRT1318CSK603056

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