Dorman OE Solutions Engine Coolant Reservoir for 1997-2004 Ford Mustang 603-329

Non-pressurized engine coolant reservoir for 1997-2004 Ford Mustang used to replace cracked or leaking factory overflow tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials engineered to withstand underhood heat and engine vibration while matching the original part's fit and function.

Key Features

• Direct replacement for original equipment part numbers F8ZZ8A080AA and 9L3Z8K103A
• Constructed from durable materials resistant to thermal stress and vibration
• Non-pressurized design matches specific vehicle requirements
• Engineered to restore proper coolant capacity and system integrity
• Validated through testing to ensure long-term performance

Benefits

• Prevents coolant loss and potential engine overheating issues
• Eliminates the need for temporary fixes or sealants on cracked tanks
• Ensures a precise fit for faster and easier installation
• Restores factory-like reliability to the cooling system
• Reduces the risk of repeat repairs caused by inferior materials
• Provides a cost-effective solution compared to dealer parts

Application

Ideal for Ford Mustang owners experiencing visible cracks, leaks, or coolant loss from the original overflow tank, this reservoir serves as a dependable repair for daily drivers and classic car maintenance.

Fitment Notes

• Compatible with 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004 Ford Mustang models
• Replaces multiple OEM part numbers including XR3Z8A080AA and 2R3Z8A080AC

Why Choose Dorman - OE Solutions?

• Dorman delivers proven aftermarket solutions backed by over 100 years of industry experience, focusing on direct-fit replacements that match OE form, fit, and function for confident repairs.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• Length: 23.3 inches
• Width: 8.5 inches
• Height: 6.0 inches
• Weight: 2.0 lbs