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Dorman 603-596 Washer Fluid Reservoir - Front
Overview of Dorman Washer Fluid Reservoir 603-596
The Dorman Washer Fluid Reservoir 603-596 is designed for reliable windshield washer fluid storage in select Buick, Chevrolet, GMC, and Saturn vehicles. This clear plastic reservoir offers a 3.7-liter capacity and is compatible with models such as the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook.
- Material: Durable clear plastic construction
- Capacity: 3.7 liters (maximum and working capacity)
- Dimensions: 28.5" height, 10" width, 5.5" length
- Attachment Type: Bolt-on installation
- Includes reservoir cap; hoses, pump, mounting hardware, and brackets not included
- Hose port diameter: 0.8 inches
Detailed Product Description
This washer fluid reservoir by Dorman is engineered to meet the specifications required for proper fitment and function in Buick Acadia, Chevrolet Traverse, GMC Acadia Limited, and Saturn Outlook models. Constructed from clear plastic, it allows for easy fluid level monitoring. The bolt-on attachment type ensures secure mounting without the need for additional brackets or hardware, which are not included. The reservoir cap is included to maintain a sealed system and prevent contamination. Note that this part does not include hoses, washer pump, or fluid level sensor, so those components must be sourced separately if needed.
Common Applications and Problem Resolution
- Replacement of cracked or leaking washer fluid reservoirs
- Restoring proper washer fluid storage capacity in Buick, Chevrolet, GMC, and Saturn vehicles
- Resolving windshield washer fluid leaks that cause low fluid warnings or ineffective windshield cleaning
- Addressing damage from road debris or engine compartment heat exposure
- Ensuring compatibility with factory washer pump and hose assemblies
Installation Notes and Tips
- Designed for bolt-on installation; verify mounting points on your vehicle before installation
- Ensure the hose port diameter (0.8 inches) matches existing washer fluid hoses
- Use the included reservoir cap to maintain system integrity
- Check for any additional components such as washer pumps or sensors that may require transfer or replacement
- Consult vehicle service manual for specific removal and installation procedures
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-596 washer fluid reservoir undergoes quality inspections to ensure durability and proper fitment with compatible Buick, Chevrolet, GMC, and Saturn models. Warranty coverage details should be confirmed with the original product documentation or supplier.
| Brand | Dorman |
| Part Number | 603-596 |
| Attachment Type | Bolt On |
| Capacity | 3.7 L |
| Color | Clear |
| Fluid Level Sensor | No |
| Height | 28.5 |
| Hose Port Diameter | 0.8 |
| Hoses Included | No |
| Length | 5.5 |
| Material | Plastic |
| Maximum Capacity | 3.7 |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Reservoir Cap Included | Yes |
| Washer Pump Included | No |
| Width | 10 |
| Working Capacity | 3.7 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2017 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2017 | GMC | Acadia Limited | Front | w/Pumps; w/Sensor; w/Hoses |
| 2016 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2016 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2016 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2015 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2015 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2015 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2014 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2014 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2014 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2013 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2013 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2013 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2012 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2012 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2012 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2011 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2011 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2011 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2010 | Buick | Enclave | Front | w/Pumps; w/Sensor; w/Hoses |
| 2010 | Chevrolet | Traverse | Front | w/Pumps; w/Sensor; w/Hoses |
| 2010 | GMC | Acadia | Front | w/Pumps; w/Sensor; w/Hoses |
| 2010 | Saturn | Outlook | Front | w/Pumps; w/Sensor; w/Hoses |
* 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.