OE Quality
60-Day Returns

Dorman 603-042 Washer Fluid Reservoir - Front
Overview of Dorman Washer Fluid Reservoir for Ford Escape and Mercury Mariner
The Dorman 603-042 washer fluid reservoir is designed specifically for Ford Escape and Mercury Mariner models. Made from durable white plastic, this reservoir includes a reservoir cap but does not come with mounting hardware or brackets, making it a straightforward replacement part for your vehicle's windshield washer system.
- Constructed from durable white plastic material
- Includes washer fluid reservoir cap for secure sealing
- Compatible with Ford Escape and Mercury Mariner models
- Part number 603-042 for precise identification
- Does not include mounting hardware or brackets
Product Details and Specifications
This washer fluid reservoir by Dorman is engineered to meet the specifications required for the Ford Escape and Mercury Mariner. The plastic construction ensures resistance to corrosion and wear from washer fluid exposure. The included reservoir cap helps maintain fluid integrity and prevents contamination. While mounting hardware and brackets are not included, the reservoir is designed to fit directly into the existing mounting points of the vehicle, facilitating a clean and secure installation.
Compatible Vehicles and Applications
This washer fluid reservoir is compatible with the following vehicles:
- Ford Escape
- Mercury Mariner
It is intended for use as a replacement part in the windshield washer system, ensuring proper fluid storage and delivery for windshield cleaning functions.
Common Issues Addressed by This Washer Fluid Reservoir
- Cracked or leaking washer fluid reservoir
- Contaminated or damaged reservoir cap causing fluid loss
- Inadequate fluid storage affecting windshield washer performance
- Old or brittle plastic reservoir prone to failure
- Replacement needed after collision or wear
Installation Notes and Tips
Installation of the Dorman 603-042 washer fluid reservoir requires removal of the old reservoir and securing the new one in the factory mounting locations. Since mounting hardware and brackets are not included, reuse existing components or acquire compatible hardware separately. Ensure the reservoir cap is properly seated to prevent leaks. Check for any damaged hoses or connectors during installation and replace as necessary.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-042 washer fluid reservoir undergoes quality checks to ensure durability and compatibility with Ford Escape and Mercury Mariner vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Dorman |
| Part Number | 603-042 |
| Color | White |
| Material | Plastic |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Package Contents | Washer Fluid Reservoir |
| Reservoir Cap Included | Yes |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Ford | Escape | Front | wo/Pumps; To 1/06/07 |
| 2007 | Mercury | Mariner | Front | wo/Pump; To 1/06/07 |
| 2006 | Ford | Escape | Front | wo/Pumps |
| 2006 | Mercury | Mariner | Front | wo/Pump |
| 2005 | Ford | Escape | Front | wo/Pumps |
| 2005 | Mercury | Mariner | Front | wo/Pump |
| 2004 | Ford | Escape | Front | wo/Pumps |
| 2003 | Ford | Escape | Front | wo/Pumps |
| 2002 | Ford | Escape | Front | wo/Pumps |
| 2001 | Ford | Escape | Front | wo/Pumps |
* 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.