Dorman OE Solutions Engine Coolant Reservoir for 1992-2000 Audi Cabriolet 1993-1995 Audi 90 603-641

Pressurized coolant reservoir for 1992-2000 Audi Cabriolet and 1993-1995 Audi 90 used to replace cracked or leaking factory expansion tanks.

Built to meet the manufacturer's design intent for reliable service, this replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Key Features

• Direct replacement for a proper fit and easy installation
• Constructed from durable materials to resist heat and vibration
• Engineered to match original equipment form, fit, and function
• Validated through testing to ensure dependable performance
• Backed by Dorman's 100 years of automotive aftermarket experience

Benefits

• Restores proper cooling system pressure to prevent overheating
• Eliminates leaks caused by cracked or damaged factory tanks
• Reduces the risk of repeat repairs with a long-lasting fix
• Ensures smoother installation with direct-fit design
• Provides confidence in daily driving reliability

Application

This part is designed for owners of Audi Cabriolet and Audi 90 models needing a trustworthy replacement for a failing coolant expansion tank to maintain engine temperature regulation.

Fitment Notes

• Compatible with 1992-2000 Audi Cabriolet
• Compatible with 1993-1995 Audi 90 and Audi 90 Quattro
• Replaces Volkswagen part number 8A0121403C and Vaico V100980

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function.
• Built with quality materials and validated through testing to stand up to daily driving demands.
• Offers a smart way to restore your vehicle with confidence in fit, durability, and performance.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 8.9 inches x 7.5 inches x 7.9 inches
• Weight: 1.4 lbs