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Dorman 603-097 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir 603-097
The Dorman 603-097 engine coolant reservoir is designed for reliable cooling system performance in select Pontiac and Saturn vehicles. This clear plastic reservoir includes a spring loaded twist cap rated for 15 psi, ensuring proper pressurization and coolant containment for your Pontiac Ion, Saturn Sky, or Saturn Solstice.
- Material: Durable clear plastic for easy coolant level monitoring
- Cap Type: Spring loaded twist cap included with 15 psi maximum pressure rating
- Pressurized reservoir to maintain optimal cooling system pressure
- Mounting: Features 2 mounting holes; mounting hardware and brackets not included
- Package includes one coolant reservoir and one compatible cap
Detailed Product Description
The Dorman 603-097 engine coolant reservoir is engineered to meet the specifications required for proper cooling system function in Pontiac Ion, Saturn Sky, and Saturn Solstice models. Constructed from clear plastic, this reservoir allows for quick visual inspection of coolant levels without removal. The included spring loaded twist cap is designed to maintain system pressure up to 15 psi, which helps prevent coolant loss and overheating. With two mounting holes, the reservoir can be securely installed using existing hardware. Note that mounting brackets and hardware are not included with this part.
Compatible Vehicles and Applications
- Compatible with Pontiac Ion models requiring a replacement coolant reservoir
- Suitable for Saturn Sky vehicles needing a pressurized coolant reservoir
- Fits Saturn Solstice models designed for this specific reservoir and cap assembly
Common Issues Addressed by This Coolant Reservoir
- Coolant leaks due to cracked or damaged reservoir tanks
- Loss of cooling system pressure causing engine overheating
- Difficulty monitoring coolant levels with opaque or discolored reservoirs
- Failure of old or faulty reservoir caps leading to coolant loss
- Replacement of worn or brittle plastic reservoirs to maintain system integrity
Installation Notes and Tips
Before installation, ensure the engine is cool to avoid injury from hot coolant. Drain the cooling system as needed to prevent spills. Use the existing mounting hardware to secure the reservoir via the two mounting holes. Verify the spring loaded twist cap is properly seated to maintain system pressure. Inspect hoses and connections for wear or damage during installation and replace if necessary.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-097 engine coolant reservoir undergoes quality checks to ensure durability and performance. This part includes the reservoir and cap, both designed for reliable operation in specified Pontiac and Saturn models. Warranty coverage details should be confirmed through the original purchase source.
| Brand | Dorman |
| Part Number | 603-097 |
| Cap Included | Yes |
| Cap Maximum Pressure Rating | 15 |
| Cap Type | Spring Loaded Twist |
| Color | Clear |
| Material | Plastic |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Pressurized | Yes |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Saturn | Sky | 2.4L | L4 | Front | |
| 2010 | Saturn | Sky | 2.0L | L4 | Front | |
| 2009 | Pontiac | Solstice | 2.4L | L4 | Front | |
| 2009 | Pontiac | Solstice | 2.0L | L4 | Front | |
| 2009 | Saturn | Sky | 2.4L | L4 | Front | |
| 2009 | Saturn | Sky | 2.0L | L4 | Front | |
| 2008 | Pontiac | Solstice | 2.4L | L4 | Front | |
| 2008 | Pontiac | Solstice | 2.0L | L4 | Front | |
| 2008 | Saturn | Sky | 2.4L | L4 | Front | |
| 2008 | Saturn | Sky | 2.0L | L4 | Front | |
| 2007 | Pontiac | Solstice | 2.4L | L4 | Front | |
| 2007 | Pontiac | Solstice | 2.0L | L4 | Front | |
| 2007 | Saturn | Ion | 2.2L | L4 | Front | |
| 2007 | Saturn | Ion | 2.4L | L4 | Front | |
| 2007 | Saturn | Ion | 2.0L | L4 | Front | |
| 2007 | Saturn | Sky | 2.4L | L4 | Front | |
| 2007 | Saturn | Sky | 2.0L | L4 | Front | |
| 2006 | Pontiac | Solstice | 2.4L | L4 | Front | |
| 2006 | Saturn | Ion | 2.2L | L4 | Front | |
| 2006 | Saturn | Ion | 2.4L | L4 | Front | |
| 2006 | Saturn | Ion | 2.0L | L4 | Front | |
| 2005 | Saturn | Ion | 2.2L | L4 | Front | |
| 2005 | Saturn | Ion | 2.0L | L4 | Front | |
| 2004 | Saturn | Ion | Front | L4 134CID 2.2L | ||
| 2004 | Saturn | Ion | 2.2L | L4 | Front | |
| 2004 | Saturn | Ion | 2.0L | L4 | Front | |
| 2003 | Saturn | Ion | 2.2L | 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.