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Dorman 603-597 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir 603-597
The Dorman 603-597 engine coolant reservoir is designed for reliable cooling system performance in select Ford and Mercury vehicles. This white plastic reservoir includes a spring loaded twist cap and mounting brackets, ensuring a secure fit and proper coolant containment for models like the Ford Contour, Mercury Cougar, and Mystique.
- Constructed from durable white plastic material
- Includes spring loaded twist cap for pressurized coolant system
- Comes with mounting brackets but no additional hardware
- Features two mounting holes for secure installation
- Compatible with Ford Contour, Mercury Cougar, and Mystique
- Part number 603-597 for precise identification
Detailed Product Description
The Dorman 603-597 engine coolant reservoir is engineered to maintain proper coolant levels and pressure within the cooling system. Made from sturdy plastic, this reservoir withstands heat and pressure typical of engine operation. The included spring loaded twist cap is designed to maintain system pressure, which helps prevent overheating and coolant loss. With two mounting holes and included brackets, installation is straightforward on compatible Ford and Mercury vehicles. This reservoir is specifically designed for the Ford Contour, Mercury Cougar, and Mystique models, ensuring a proper fit and function.
Common Applications and Problem Resolution
- Replacement for cracked or leaking coolant reservoirs
- Solves coolant overflow or loss issues due to damaged tanks
- Restores proper pressure in the cooling system with included cap
- Prevents engine overheating caused by coolant system failure
- Addresses mounting instability with included brackets
Installation Notes and Tips
- Ensure vehicle compatibility with Ford Contour, Mercury Cougar, or Mystique before installation
- Use the two mounting holes and included brackets for secure attachment
- Do not reuse old mounting hardware if damaged; new hardware is not included
- Check the spring loaded twist cap for proper sealing after installation
- Follow vehicle manufacturer guidelines for coolant system maintenance
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-597 engine coolant reservoir undergoes quality checks to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.
| Brand | Dorman |
| Part Number | 603-597 |
| Cap Included | Yes |
| Cap Type | Spring Loaded Twist |
| Color | White |
| Material | Plastic |
| Mounting Brackets Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Pressurized | Yes |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Mercury | Cougar | 2.5L | V6 | Front | |
| 2000 | Ford | Contour | 2.5L | V6 | Front | |
| 2000 | Mercury | Cougar | 2.5L | V6 | Front | |
| 2000 | Mercury | Mystique | 2.5L | V6 | Front | |
| 1999 | Ford | Contour | 2.5L | V6 | Front | |
| 1999 | Mercury | Cougar | 2.5L | V6 | Front | From 4/98 |
| 1999 | Mercury | Mystique | 2.5L | V6 | Front | |
| 1998 | Ford | Contour | 2.5L | V6 | Front | From 10/97 |
| 1998 | Mercury | Mystique | 2.5L | V6 | Front | From 10/97 |
* 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.