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Dorman 603-5207 Engine Coolant Reservoir - Front
Reliable Engine Coolant Reservoir for Vehicle Cooling Systems
The Dorman 603-5207 engine coolant reservoir is designed to maintain optimal coolant levels and support pressurized cooling systems. Crafted from durable clear plastic, this reservoir allows for easy fluid level monitoring and is compatible with various vehicle makes and models requiring a pressurized coolant tank.
- Constructed from clear plastic for easy coolant level visibility
- Includes spring loaded twist cap rated for 15 psi maximum pressure
- Pressurized design supports efficient cooling system operation
- Equipped with three mounting holes and included mounting brackets for secure installation
- Cap included with the reservoir for a complete replacement solution
Product Details and Specifications
The Dorman 603-5207 engine coolant reservoir is engineered to meet or exceed OEM standards for durability and performance. Its clear plastic construction resists corrosion and allows for quick visual inspection of coolant levels without removal. The spring loaded twist cap is designed to maintain system pressure up to 15 psi, ensuring proper coolant circulation and preventing overheating. With three mounting holes and included brackets, this reservoir can be securely installed in the engine bay, providing a stable and leak-free fit. This part is suitable for vehicles that require a pressurized coolant reservoir with these specifications.
Common Applications and Problem Resolution
- Replacement for cracked or leaking coolant reservoirs
- Restores proper coolant pressure to prevent engine overheating
- Eliminates coolant loss due to damaged or faulty tanks
- Helps maintain consistent coolant levels for engine efficiency
- Prevents air entry into the cooling system that can cause performance issues
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. Use the included mounting brackets and three mounting holes to secure the new reservoir firmly in place. Verify that the spring loaded twist cap is properly seated to maintain system pressure. After installation, refill the cooling system with the appropriate coolant and check for leaks during operation.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliability and durability. The 603-5207 engine coolant reservoir includes the cap and mounting brackets for a comprehensive replacement. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.
| Brand | Dorman |
| Part Number | 603-5207 |
| Material | Plastic |
| Color | Clear |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Mounting Brackets Included | Yes |
| Cap Type | Spring loaded twist |
| Pressurized | Yes |
| Cap Maximum Pressure Rating | 15 |
| Cap Included | Yes |
| Package Contents | 1 coolant reservoir; 1 cap |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.