OE Quality
60-Day Returns

Dorman 603-225 Engine Coolant Reservoir - Front
Reliable Engine Coolant Reservoir for Chrysler, Dodge, and Plymouth Neon
The Dorman 603-225 engine coolant reservoir is designed specifically for Chrysler, Dodge, and Plymouth Neon models. Constructed from durable white plastic, this reservoir ensures proper coolant storage and system performance without pressurization.
Key Features of the Dorman 603-225 Coolant Reservoir
- Material: Durable white plastic construction for corrosion resistance
- Includes mounting brackets for secure installation
- Equipped with a flip-top cap for easy access and maintenance
- Cap included with the reservoir for a complete replacement
- Two mounting holes for precise fitment on Neon vehicles
- Non-pressurized design compatible with factory cooling systems
Detailed Description of the Engine Coolant Reservoir
The Dorman 603-225 engine coolant reservoir is engineered to meet the specifications of Chrysler, Dodge, and Plymouth Neon models. Its white plastic body resists corrosion and withstands the heat and chemical exposure typical in engine compartments. The included flip-top cap allows for convenient coolant level checks and refills without removing the entire cap assembly. This reservoir is non-pressurized, matching the original equipment design to maintain proper coolant flow and system balance. With two mounting holes and included brackets, installation is straightforward and secure, ensuring a stable fit within the engine bay.
Common Applications and Issues Addressed
- Replacement for cracked or leaking coolant reservoirs in Chrysler, Dodge, and Plymouth Neon vehicles
- Prevents coolant loss and overheating caused by damaged or worn reservoirs
- Restores proper coolant level monitoring with included flip-top cap
- Eliminates coolant contamination risks from compromised reservoir materials
- Supports cooling system integrity by maintaining correct coolant storage
Installation Notes and Tips
- Ensure the engine is cool before removing the old reservoir to avoid injury
- Use the included mounting brackets and two mounting holes for secure attachment
- Check hoses and connections for wear or damage during installation
- Fill the reservoir with the appropriate coolant type recommended for your Neon model
- Verify the flip-top cap is securely closed to prevent leaks
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-225 engine coolant reservoir undergoes rigorous quality control 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 | 603-225 |
| Cap Included | Yes |
| Cap Type | Flip Top |
| Color | White |
| Material | Plastic |
| Mounting Brackets Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Pressurized | No |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Dodge | Neon | 2.0L | L4 | Front | |
| 1999 | Plymouth | Neon | 2.0L | L4 | Front | |
| 1998 | Dodge | Neon | 2.0L | L4 | Front | |
| 1998 | Plymouth | Neon | 2.0L | L4 | Front | |
| 1997 | Chrysler | Neon | 2.0L | L4 | Front | |
| 1997 | Dodge | Neon | 2.0L | L4 | Front | |
| 1997 | Plymouth | Neon | 2.0L | L4 | Front | |
| 1996 | Chrysler | Neon | 2.0L | L4 | Front | |
| 1996 | Dodge | Neon | 2.0L | L4 | Front | |
| 1996 | Plymouth | Neon | 2.0L | L4 | Front | |
| 1995 | Chrysler | Neon | 2.0L | L4 | Front | |
| 1995 | Dodge | Neon | 2.0L | L4 | Front | |
| 1995 | Plymouth | Neon | 2.0L | L4 | 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.