Dorman OE Solutions Engine Coolant Reservoir for 1998-2010 Volkswagen Beetle 603-350

Pressurized coolant reservoir for 1998-2010 Volkswagen Beetle used to replace cracked or leaking factory expansion tanks.

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

Key Features

• Direct replacement for specific Volkswagen OEM part numbers
• Constructed from durable materials resistant to thermal stress
• Designed to handle standard cooling system pressure requirements
• Validated through testing for consistent performance
• Manufactured by Dorman with over 100 years of aftermarket experience

Benefits

• Restores proper coolant capacity and system pressure
• Prevents overheating caused by reservoir leaks or cracks
• Ensures a precise fit for faster and easier installation
• Reduces the risk of repeat repairs with dependable construction
• Provides a cost-effective alternative to dealer parts
• Helps maintain optimal engine operating temperature

Application

Ideal for Volkswagen Beetle owners experiencing coolant loss, visible cracks in the old tank, or failed pressure tests who need a trustworthy direct-fit replacement.

Fitment Notes

• Compatible with 1998-2010 Volkswagen Beetle models
• Replaces Volkswagen part numbers 3B0121321, 1C0121407C, 1C0121403, 1C0121407E, 1C0121407F, and 1C0121407A

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function for smoother installation and reliable results.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 7.8in x 7.8in x 8.3in, 1.2lbs