HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-384 Engine Coolant Reservoir - Front
Part #: 603-384

Dorman 603-384 Engine Coolant Reservoir - Front

Front
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Impala and Impala Limited
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Reliable Engine Coolant Reservoir for Chevrolet Impala

The Dorman 603-384 engine coolant reservoir is designed to maintain optimal coolant levels in your Chevrolet Impala and Impala Limited. Constructed from durable plastic, this reservoir ensures efficient cooling system performance and helps prevent overheating.

  • Material: Durable plastic construction for long-lasting use
  • Dimensions: 9.5 inches length and 10.5 inches height
  • Color: Black and clear for easy coolant level monitoring
  • Includes spring loaded twist cap rated for 20 psi pressure
  • Pressurized reservoir with one mounting hole and included mounting brackets
  • Capacity: 500 ml to support proper coolant circulation
  • Cap included for secure sealing and pressure maintenance

Detailed Description of Dorman 603-384 Coolant Reservoir

This engine coolant reservoir from Dorman is specifically engineered for Chevrolet Impala and Impala Limited models. The irregular shape is designed to fit precisely within the engine bay, optimizing space without compromising capacity. The black and clear plastic body allows for quick visual checks of coolant levels, while the spring loaded twist cap maintains system pressure up to 20 psi, helping to prevent coolant loss and overheating. The included mounting brackets and single mounting hole facilitate secure installation, ensuring the reservoir stays firmly in place during vehicle operation.

Common Applications and Problem Solving

  • Replaces cracked or leaking coolant reservoirs
  • Restores proper coolant level monitoring and containment
  • Prevents engine overheating caused by coolant loss
  • Maintains system pressure to improve cooling efficiency
  • Addresses coolant reservoir cap failure or loss

Installation Notes and Tips

When installing the Dorman 603-384 coolant reservoir, ensure the mounting brackets align with the factory mounting points on your Chevrolet Impala or Impala Limited. Use the included spring loaded twist cap to maintain proper pressure and prevent leaks. It is recommended to inspect hoses and connections for wear or damage during installation to ensure a complete and reliable cooling system repair.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 603-384 engine coolant reservoir undergoes rigorous quality control to ensure fitment and function. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number603-384
MaterialPlastic
Length9.5
ColorBlack and clear
Mounting Hardware IncludedNo
Height10.5
ShapeIrregular
Mounting Hole Quantity1
Mounting Brackets IncludedYes
Cap TypeSpring loaded twist
PressurizedYes
Cap Maximum Pressure Rating20
Level Sensor IncludedNo
Cap IncludedYes
Capacity500 ml
Package Contents1 coolant reservoir; 1 cap

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016ChevroletImpala Limited3.6LV6Front
2015ChevroletImpala Limited3.6LV6Front
2014ChevroletImpala Limited3.6LV6Front
2013ChevroletImpala3.6LV6Front
2012ChevroletImpala3.6LV6Front

* 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:

13502353

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