OE Quality
60-Day Returns

Dorman 603-067 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir 603-067
The Dorman 603-067 engine coolant reservoir is designed for reliable cooling system performance in select Chevrolet, Pontiac, and Saturn vehicles. This clear plastic reservoir includes a spring loaded twist cap rated for 15 psi, ensuring proper pressurization and coolant containment.
- Material: Durable clear plastic for easy fluid level monitoring
- Dimensions: 190 mm length and 204 mm height
- Pressurized reservoir with included spring loaded twist cap (15 psi max pressure)
- Mounting hole quantity: 2 (mounting hardware and brackets not included)
- Package includes one coolant reservoir and one cap
Detailed Product Description
The Dorman 603-067 engine coolant reservoir is engineered to meet the specifications required for Chevrolet Malibu, Pontiac G6, and Saturn Aura models. Constructed from clear plastic, it allows for quick visual inspection of coolant levels without removal. The reservoir is pressurized and comes with a spring loaded twist cap capable of handling up to 15 psi, which helps maintain optimal cooling system pressure and prevents coolant loss. With two mounting holes, this reservoir is designed for secure installation, although mounting hardware and brackets are not included.
Compatible Vehicles and Applications
This engine coolant reservoir is compatible with the following vehicles:
- Chevrolet Malibu
- Pontiac G6
- Saturn Aura
It is intended for use in the cooling systems of these models to replace worn or damaged reservoirs and maintain proper engine temperature regulation.
Common Issues Addressed by This Reservoir
- Coolant leaks due to cracked or damaged reservoirs
- Inaccurate coolant level readings from discolored or opaque tanks
- Loss of system pressure causing overheating
- Failure of the reservoir cap leading to coolant evaporation
- Corrosion or contamination inside the reservoir
Installation Notes and Tips
When installing the Dorman 603-067 coolant reservoir, ensure the mounting holes align properly with the vehicle’s frame. Since mounting hardware and brackets are not included, reuse existing components or acquire compatible parts separately. Tighten the spring loaded twist cap securely to maintain system pressure. After installation, check for leaks and verify coolant levels before operating the vehicle.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-067 engine coolant reservoir undergoes quality inspections to ensure durability and performance. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 603-067 |
| Cap Included | Yes |
| Cap Maximum Pressure Rating | 15 |
| Cap Type | Spring Loaded Twist |
| Color | Clear |
| Height | 204 |
| Length | 190 |
| 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 45 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Chevrolet | Malibu | 2.4L | L4 | Front | |
| 2012 | Chevrolet | Malibu | 3.6L | V6 | Front | |
| 2011 | Chevrolet | Malibu | 2.4L | L4 | Front | |
| 2011 | Chevrolet | Malibu | 3.6L | V6 | Front | |
| 2010 | Chevrolet | Malibu | 2.4L | L4 | Front | |
| 2010 | Chevrolet | Malibu | 3.5L | V6 | Front | |
| 2010 | Chevrolet | Malibu | 3.6L | V6 | Front | |
| 2010 | Pontiac | G6 | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2010 | Pontiac | G6 | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2009 | Chevrolet | Malibu | 2.4L | L4 | Front | |
| 2009 | Chevrolet | Malibu | 3.5L | V6 | Front | |
| 2009 | Chevrolet | Malibu | 3.6L | V6 | Front | |
| 2009 | Pontiac | G6 | 3.9L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2009 | Pontiac | G6 | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2009 | Pontiac | G6 | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2009 | Pontiac | G6 | 3.6L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2009 | Saturn | Aura | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2009 | Saturn | Aura | 3.6L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Chevrolet | Malibu | 2.2L | L4 | Front | |
| 2008 | Chevrolet | Malibu | 2.4L | L4 | Front | |
| 2008 | Chevrolet | Malibu | 3.5L | V6 | Front | |
| 2008 | Chevrolet | Malibu | 3.6L | V6 | Front | |
| 2008 | Pontiac | G6 | 3.9L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Pontiac | G6 | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Pontiac | G6 | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Pontiac | G6 | 3.6L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Saturn | Aura | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Saturn | Aura | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2008 | Saturn | Aura | 3.6L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Chevrolet | Malibu | 2.2L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Chevrolet | Malibu | 3.9L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Chevrolet | Malibu | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Pontiac | G6 | 3.9L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Pontiac | G6 | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Pontiac | G6 | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Pontiac | G6 | 3.6L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Saturn | Aura | 2.4L | L4 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Saturn | Aura | 3.5L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2007 | Saturn | Aura | 3.6L | V6 | Front | Fitment: with Low Fluid Sensor |
| 2006 | Chevrolet | Malibu | 2.2L | L4 | Front | Reservoir Screws into Bracket |
| 2006 | Chevrolet | Malibu | 3.5L | V6 | Front | Reservoir Screws into Bracket |
| 2006 | Chevrolet | Malibu | 3.9L | V6 | Front | Reservoir Screws into Bracket |
| 2006 | Pontiac | G6 | 3.5L | V6 | Front | Reservoir Screws into Bracket |
| 2006 | Pontiac | G6 | 3.9L | V6 | Front | Reservoir Screws into Bracket |
| 2006 | Pontiac | G6 | 2.4L | L4 | Front | Reservoir Screws into Bracket |
* 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.