Dorman OE Solutions Engine Coolant Reservoir for 1997-2022 Audi Seat Volkswagen 603-253

Pressurized coolant reservoir for 1997-2022 Audi Seat and Volkswagen models used to replace cracked or leaking factory expansion 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 original fit and function.

Key Features

• Direct replacement for specific OEM part numbers including 1K0121407F and 1K0121407A
• Constructed from durable materials designed to resist thermal stress
• Engineered to match original equipment form and function
• Validated through testing to ensure dependable performance
• Manufactured by Dorman with over 100 years of aftermarket experience

Benefits

• Restores proper cooling system pressure to prevent overheating
• Eliminates leaks caused by cracked or degraded plastic tanks
• Ensures a precise fit for smoother installation without modification
• Reduces the risk of repeat repairs with robust construction
• Provides a cost-effective solution compared to dealer parts
• Helps maintain optimal engine operating temperature

Application

Ideal for owners of Audi, Seat, and Volkswagen vehicles experiencing coolant loss, visible cracks in the expansion tank, or failed pressure tests requiring a trustworthy replacement part.

Fitment Notes

• Compatible with select Audi models from 1997 to 2018
• Compatible with select Seat models from 2015 to 2018
• Compatible with select Volkswagen models from 1997 to 2022
• Verify vehicle compatibility using part number 603-253 before purchase

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function for confident restoration.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 7.4in x 7.5in x 8.2in
• Weight: 1.4lbs