HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-838 Engine Coolant Reservoir
Part #: 603-838

Dorman 603-838 Engine Coolant Reservoir

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⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chrysler, 200
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Overview of Dorman Engine Coolant Reservoir for Jeep Cherokee

The Dorman 603-838 engine coolant reservoir is designed specifically for Chrysler and Jeep vehicles, including the 2000 Jeep Cherokee. This clear plastic reservoir provides a reliable solution for maintaining proper coolant levels and ensuring engine cooling system efficiency.

  • Material: Durable clear plastic construction
  • Capacity: 2.5 liters to accommodate engine cooling needs
  • Dimensions: 6.5 inches length and 8 inches height
  • Shape: Irregular design for precise fitment
  • Mounting: Includes brackets and two mounting holes for secure installation
  • Cap: Twist type cap included with a maximum pressure rating of 21 psi
  • Pressurized reservoir compatible with factory cooling systems

Detailed Product Description

The Dorman 603-838 engine coolant reservoir is engineered to meet the specifications required by Chrysler and Jeep vehicles, particularly the 2000 Jeep Cherokee. Constructed from clear plastic, this reservoir allows for easy visual inspection of coolant levels. Its irregular shape is designed to fit seamlessly within the engine bay, while the included mounting brackets and two mounting holes ensure a secure and stable installation. The twist-type cap, rated for a maximum pressure of 21 psi, maintains system pressure and prevents coolant loss. This pressurized reservoir supports the proper operation of the vehicle's cooling system, helping to prevent overheating and maintain engine performance.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs
  • Restores proper coolant level monitoring and containment
  • Prevents engine overheating caused by coolant loss
  • Eliminates coolant contamination from damaged or degraded reservoirs
  • Ensures system pressure integrity with included pressure-rated cap

Installation Notes and Tips

Installation of the Dorman 603-838 engine coolant reservoir is straightforward for technicians familiar with Chrysler and Jeep cooling systems. The included mounting brackets and two mounting holes align with factory mounting points on the 2000 Jeep Cherokee. It is recommended to drain the cooling system before removal to avoid spills. Ensure the twist cap is securely tightened to maintain system pressure. Verify coolant levels after installation and check for leaks during initial engine operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-838 engine coolant reservoir undergoes quality inspections to ensure durability and reliability. This part includes the reservoir and cap, both designed to maintain system integrity. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number603-838
Cap IncludedYes
Cap Maximum Pressure Rating21
Cap TypeTwist
Capacity2.5 Lt.
ColorClear
Height8
Length6.5
Level Sensor IncludedNo
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedYes
ShapeIrregular

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018JeepCherokee2.4LL4N/A
2017Chrysler2002.4LL4N/A
2017Chrysler2003.6LV6N/A
2017JeepCherokee3.2LV6N/A
2016Chrysler2002.4LL4N/A
2016Chrysler2003.6LV6N/A
2016JeepCherokee3.2LV6N/A
2015Chrysler2002.4LL4N/A
2015Chrysler2003.6LV6N/A
2015JeepCherokee2.4LL4N/A
2014JeepCherokee2.4LL4N/A

* 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:

68102155AB

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