Hold your washer fluid securely and ready to spray with the Dorman washer fluid reservoir, part number 603-587 from Dorman - OE Solutions. This front windshield washer fluid reservoir is a direct-fit replacement for the 2005-2009 Ford Mustang, designed to fit and work like the original equipment reservoir it replaces. See the Buyer's Guide tab for engine-specific details.
Dorman engineered this reservoir to handle the stresses of underhood heat and engine vibration. If your original tank has cracked, leaks, or no longer holds fluid, this Dorman washer reservoir is intended to replace it.
- Direct replacement: built to fit and work like the original equipment reservoir on the listed Mustang applications.
- Ideal solution: engineered to help provide leak-free washer fluid storage when the original reservoir has cracked or failed from heat and vibration.
- Durable construction: made of quality materials for dependable performance and long service life.
- Trustworthy quality: Dorman's product experts in the United States and more than a century of automotive experience stand behind it.
Signs the reservoir may need replacing include washer fluid leaking under the vehicle, a tank that empties faster than expected, or visible cracks in the reservoir. Hoses and the washer pump can also leak, so confirm the source before replacing.
Interchange: 4R3Z17618AA · 7R3Z17618A · 8C3Z17664A · 8R3Z17618A · F2UZ17632A · FO1288180
This part cross-references / interchanges with the following part numbers:
4R3Z17618AA, 7R3Z17618A, 8C3Z17664A, 8R3Z17618A, F2UZ17632A, FO1288180
