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Dorman 603-328 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir for Toyota
The Dorman 603-328 engine coolant reservoir is designed specifically for Toyota Sequoia and Tundra models. This replacement reservoir is made from durable plastic and includes a flip-top cap and tubing to ensure proper coolant containment and flow.
- Constructed from durable white plastic for corrosion resistance
- Includes one coolant reservoir, one flip-top cap, and tubing
- Features three mounting holes for secure installation
- Cap included with flip-top design for easy access
- Non-pressurized reservoir compatible with Toyota Sequoia and Tundra
Detailed Product Description
The Dorman 603-328 engine coolant reservoir is engineered to meet the specifications required for Toyota Sequoia and Tundra vehicles. Made from sturdy plastic, this white reservoir is designed to withstand the heat and pressure fluctuations typical in engine cooling systems. The included flip-top cap allows for convenient coolant level checks and refills without removing the entire cap assembly. With three mounting holes, the reservoir can be securely fastened in place, although mounting hardware and brackets are not included. This non-pressurized reservoir is supplied with tubing to facilitate proper coolant circulation within the cooling system.
Common Applications and Problem Resolution
- Replacement for cracked or leaking coolant reservoirs
- Solves coolant overflow or leakage issues
- Prevents engine overheating caused by coolant loss
- Restores proper coolant level monitoring
- Addresses reservoir cap failure or damage
Installation Notes and Tips
When installing the Dorman 603-328 coolant reservoir on Toyota Sequoia or Tundra models, ensure the vehicle is cool to avoid injury from hot coolant. Use the existing mounting hardware or source compatible fasteners, as none are included. Verify the three mounting holes align with the vehicle’s mounting points. Connect the supplied tubing securely to prevent leaks. Inspect the flip-top cap for proper sealing after installation to maintain system integrity.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-328 engine coolant reservoir undergoes quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | 603-328 |
| Cap Included | Yes |
| Cap Type | Flip Top |
| Color | White |
| Material | Plastic |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Coolant Reservoir; 1 Cap; Tubing |
| Pressurized | No |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Toyota | Sequoia | 4.7L | V8 | Front | ||
| 2006 | Toyota | Sequoia | 4.7L | V8 | Front | ||
| 2006 | Toyota | Tundra | Crew Cab Pickup | 4.7L | V8 | Front | |
| 2005 | Toyota | Sequoia | 4.7L | V8 | Front | ||
| 2005 | Toyota | Tundra | Crew Cab Pickup | 4.7L | V8 | Front | |
| 2004 | Toyota | Sequoia | 4.7L | V8 | Front | ||
| 2004 | Toyota | Tundra | Crew Cab Pickup | 4.7L | V8 | Front | |
| 2003 | Toyota | Sequoia | 4.7L | V8 | Front | ||
| 2002 | Toyota | Sequoia | 4.7L | V8 | Front | ||
| 2001 | Toyota | Sequoia | 4.7L | V8 | 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.