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Dorman 603-384 Engine Coolant Reservoir - Front
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.
| Brand | Dorman |
| Part Number | 603-384 |
| Material | Plastic |
| Length | 9.5 |
| Color | Black and clear |
| Mounting Hardware Included | No |
| Height | 10.5 |
| Shape | Irregular |
| Mounting Hole Quantity | 1 |
| Mounting Brackets Included | Yes |
| Cap Type | Spring loaded twist |
| Pressurized | Yes |
| Cap Maximum Pressure Rating | 20 |
| Level Sensor Included | No |
| Cap Included | Yes |
| Capacity | 500 ml |
| Package Contents | 1 coolant reservoir; 1 cap |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Impala Limited | 3.6L | V6 | Front | |
| 2015 | Chevrolet | Impala Limited | 3.6L | V6 | Front | |
| 2014 | Chevrolet | Impala Limited | 3.6L | V6 | Front | |
| 2013 | Chevrolet | Impala | 3.6L | V6 | Front | |
| 2012 | Chevrolet | Impala | 3.6L | V6 | Front |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.