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Dorman 603-378 Engine Coolant Reservoir - Front
Reliable Engine Coolant Reservoir for Dodge Dart
The Dorman 603-378 engine coolant reservoir is designed to maintain optimal coolant levels and pressure in your Dodge Dart's cooling system. Made from durable plastic, this white reservoir includes a spring loaded twist cap rated for 21 psi, ensuring reliable performance under pressurized conditions.
- Constructed from durable plastic material for long-lasting use
- Dimensions: 8.44 inches length and 4.03 inches height
- Includes spring loaded twist cap with a maximum pressure rating of 21 psi
- Pressurized reservoir design to maintain proper coolant system pressure
- Comes with mounting brackets and features three mounting holes for secure installation
- Capacity of 1.1 liters to accommodate coolant expansion
- Cap included for a complete replacement solution
Product Details and Specifications
The Dorman 603-378 engine coolant reservoir is specifically engineered for the Dodge Dart, providing a precise fit and reliable function. Its irregular shape is designed to fit the engine bay layout efficiently. The reservoir is pressurized to help maintain the cooling system's integrity and prevent overheating. The included spring loaded twist cap allows for easy access while maintaining a secure seal. Although mounting hardware is not included, the reservoir comes with mounting brackets and three mounting holes to facilitate installation.
Common Applications and Problem Resolution
- Replaces cracked or leaking coolant reservoirs in Dodge Dart models
- Restores proper coolant level monitoring and containment
- Prevents coolant loss due to faulty or damaged reservoirs
- Maintains system pressure to avoid overheating and engine damage
- Addresses issues with coolant reservoir caps that fail to hold pressure
Installation Notes and Tips
Before installation, ensure the engine is cool to avoid injury from hot coolant. Drain the existing coolant reservoir and disconnect any hoses carefully. Align the Dorman 603-378 reservoir using the three mounting holes and secure it with appropriate hardware (not included). Attach the spring loaded twist cap securely to maintain system pressure. After installation, refill the cooling system with the recommended coolant and check for leaks.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-378 engine coolant reservoir undergoes quality checks to ensure durability and performance. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 603-378 |
| Material | Plastic |
| Length | 8.44 |
| Color | White |
| Mounting Hardware Included | No |
| Height | 4.03 |
| Shape | Irregular |
| Mounting Hole Quantity | 3 |
| Mounting Brackets Included | Yes |
| Cap Type | Spring loaded twist |
| Pressurized | Yes |
| Cap Maximum Pressure Rating | 21 |
| Level Sensor Included | No |
| Cap Included | Yes |
| Capacity | 1.1 l |
| Package Contents | 1 coolant reservoir; 1 cap |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Dodge | Dart | 2.4L | L4 | Front | |
| 2016 | Dodge | Dart | 1.4L | L4 | Front | |
| 2016 | Dodge | Dart | 2.0L | L4 | Front | |
| 2015 | Dodge | Dart | 2.4L | L4 | Front | |
| 2015 | Dodge | Dart | 1.4L | L4 | Front | |
| 2015 | Dodge | Dart | 2.0L | L4 | Front | |
| 2014 | Dodge | Dart | 2.4L | L4 | Front | |
| 2014 | Dodge | Dart | 1.4L | L4 | Front | |
| 2014 | Dodge | Dart | 2.0L | L4 | Front | |
| 2013 | Dodge | Dart | 2.0L | L4 | Front | |
| 2013 | Dodge | Dart | 2.4L | L4 | Front | |
| 2013 | Dodge | Dart | 1.4L | L4 | 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.