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Dorman 603-5504 Engine Coolant Reservoir - Front
Reliable Engine Coolant Reservoir for Vehicle Cooling Systems
The Dorman 603-5504 engine coolant reservoir is designed to maintain optimal coolant levels and support your vehicle's cooling system. Made from durable plastic with a black and white finish, this pressurized reservoir includes a spring loaded twist cap to ensure secure sealing and proper pressure management.
- Constructed from durable plastic for long-lasting performance
- Black and white color for easy coolant level visibility
- Includes spring loaded twist cap for secure sealing and pressure control
- Pressurized design to maintain proper cooling system function
- Features three mounting holes for stable installation
- Cap included with the reservoir for convenience
Product Details and Specifications
The Dorman 603-5504 engine coolant reservoir is engineered to meet the demands of various vehicle cooling systems. Its pressurized design helps maintain the correct pressure within the cooling system, preventing overheating and coolant loss. The included spring loaded twist cap ensures a tight seal, reducing the risk of leaks. The reservoir’s black and white plastic construction allows for easy monitoring of coolant levels, while the three mounting holes provide secure attachment points. This part is compatible with multiple vehicle makes and models, making it a practical replacement option for maintaining engine temperature regulation.
Common Applications and Problem Resolution
- Replaces cracked or leaking coolant reservoirs
- Solves coolant overflow and loss issues
- Prevents engine overheating caused by coolant system failure
- Restores proper pressure in the cooling system
- Eliminates coolant contamination from damaged caps or reservoirs
Installation Notes and Tips
When installing the Dorman 603-5504 coolant reservoir, ensure the mounting holes align properly with the vehicle’s frame or bracket. Use appropriate fasteners (not included) to secure the reservoir firmly in place. Check the spring loaded twist cap for proper sealing after installation to avoid leaks. It is recommended to inspect the entire cooling system for any additional wear or damage during replacement.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 603-5504 engine coolant reservoir undergoes rigorous quality control to ensure fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 603-5504 |
| Material | Plastic |
| Color | Black/white |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Mounting Brackets Included | No |
| Cap Type | Spring loaded twist |
| Pressurized | Yes |
| 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.