OE Quality
60-Day Returns

Dorman 603-217 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir 603-217
The Dorman 603-217 engine coolant reservoir is designed for reliable cooling system performance in select Ford trucks. This durable plastic reservoir is compatible with Ford Excursion, F-250 Super Duty, F-350, and F-350 Super Duty models, providing a precise fit and efficient coolant management.
- Constructed from durable plastic material for long-lasting use
- Dimensions: 152.3 mm length and 100.7 mm height for exact fitment
- Black and white color for easy fluid level visibility
- Includes one spring loaded twist cap rated for 16 psi pressure
- Pressurized reservoir design supports optimal cooling system function
- Equipped with three mounting holes for secure installation
- Cap included; mounting hardware and brackets not included
Detailed Product Description
The Dorman 603-217 engine coolant reservoir is engineered to meet the cooling system requirements of Ford Excursion, F-250 Super Duty, F-350, and F-350 Super Duty trucks. Made from high-quality plastic, this reservoir withstands heat and pressure within the engine bay. Its pressurized design, combined with a spring loaded twist cap rated at 16 psi, helps maintain proper coolant flow and system pressure. The black and white coloration allows for quick visual checks of coolant levels, while the three mounting holes ensure a secure fit without the need for additional brackets or hardware. This reservoir comes complete with the cap, simplifying replacement and maintenance tasks.
Common Applications and Issues Addressed
- Replacement for cracked or leaking coolant reservoirs in Ford Super Duty trucks
- Resolves coolant overflow or loss due to damaged or faulty reservoirs
- Prevents engine overheating caused by inadequate coolant containment
- Restores proper system pressure with included 16 psi rated cap
- Eliminates coolant contamination from compromised reservoir materials
Installation Notes and Tips
- Compatible with Ford Excursion, F-250 Super Duty, F-350, and F-350 Super Duty models
- Mounting hardware and brackets are not included; reuse existing components if possible
- Ensure the spring loaded twist cap is securely tightened to maintain system pressure
- Inspect hoses and connections during installation for leaks or wear
- Follow vehicle manufacturer guidelines for coolant system maintenance
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 603-217 engine coolant reservoir undergoes rigorous quality control to ensure durability and performance under normal operating conditions. This part includes the coolant reservoir and cap, both designed to maintain system integrity. Warranty coverage details should be confirmed through the product documentation or manufacturer resources.
| Brand | Dorman |
| Part Number | 603-217 |
| Cap Included | Yes |
| Cap Maximum Pressure Rating | 16 |
| Cap Type | Spring Loaded Twist |
| Color | Black/White |
| Height | 100.7 |
| Length | 152.3 |
| Material | Plastic |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Pressurized | Yes |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Ford | F-250 Super Duty | 6.0L | V8 | Front | |
| 2007 | Ford | F-250 Super Duty | 6.8L | V10 | Front | |
| 2007 | Ford | F-250 Super Duty | 5.4L | V8 | Front | |
| 2007 | Ford | F-350 | 5.4L | V8 | Front | |
| 2007 | Ford | F-350 Super Duty | 6.0L | V8 | Front | |
| 2007 | Ford | F-350 Super Duty | 6.8L | V10 | Front | |
| 2007 | Ford | F-350 Super Duty | 5.4L | V8 | Front | |
| 2006 | Ford | F-250 Super Duty | 6.0L | V8 | Front | |
| 2006 | Ford | F-250 Super Duty | 6.8L | V10 | Front | |
| 2006 | Ford | F-250 Super Duty | 5.4L | V8 | Front | |
| 2006 | Ford | F-350 | 5.4L | V8 | Front | |
| 2006 | Ford | F-350 Super Duty | 6.0L | V8 | Front | |
| 2006 | Ford | F-350 Super Duty | 6.8L | V10 | Front | |
| 2006 | Ford | F-350 Super Duty | 5.4L | V8 | Front | |
| 2005 | Ford | Excursion | 6.0L | V8 | Front | |
| 2005 | Ford | F-250 Super Duty | 6.0L | V8 | Front | |
| 2005 | Ford | F-250 Super Duty | 6.8L | V10 | Front | |
| 2005 | Ford | F-250 Super Duty | 5.4L | V8 | Front | |
| 2005 | Ford | F-350 | 5.4L | V8 | Front | |
| 2005 | Ford | F-350 Super Duty | 6.0L | V8 | Front | |
| 2005 | Ford | F-350 Super Duty | 6.8L | V10 | Front | |
| 2005 | Ford | F-350 Super Duty | 5.4L | V8 | Front | |
| 2004 | Ford | Excursion | 6.0L | V8 | Front | |
| 2004 | Ford | F-250 Super Duty | 6.0L | V8 | Front | |
| 2004 | Ford | F-350 Super Duty | 6.0L | V8 | Front | |
| 2003 | Ford | Excursion | Front | |||
| 2003 | Ford | F-250 Super Duty | Front | |||
| 2003 | Ford | F-350 Super Duty | 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.