Dorman 603-027 Engine Coolant Reservoir - Front

Reliable Engine Coolant Reservoir for Audi and Volkswagen Models

The Dorman 603-027 engine coolant reservoir is designed to maintain optimal cooling system performance for select Audi and Volkswagen vehicles. Constructed from durable plastic, this white coolant reservoir includes a spring loaded twist cap to ensure a secure, pressurized seal.

• Material: High-quality plastic construction for durability
• Color: White for easy fluid level monitoring
• Dimensions: Length 177 mm, Height 153 mm
• Cap Type: Spring loaded twist cap included for pressurized system
• Mounting: Features 2 mounting holes; mounting hardware and brackets not included
• Pressurized reservoir compatible with cooling systems requiring sealed expansion tanks

Product Details and Compatibility

This engine coolant reservoir (part number 603-027) is compatible with various Audi and Volkswagen models, including Audi A3, S3, TT, TT Quattro, and Volkswagen Beetle, Clasico, Golf, Golf City, Jetta, and R32. The reservoir is designed to replace the original equipment part, ensuring proper fit and function within the vehicle's cooling system.

Purpose and Common Applications

• Maintains proper coolant levels and system pressure
• Prevents coolant overflow and leaks in the expansion tank
• Helps avoid engine overheating by supporting coolant circulation
• Replaces cracked or damaged reservoirs to restore cooling system integrity
• Ensures compatibility with pressurized cooling systems in Audi and Volkswagen vehicles

Installation Notes and Tips

Installation requires removal of the old coolant reservoir and securing the new reservoir using the existing mounting points. Note that mounting hardware and brackets are not included, so retain original components or source separately. Ensure the spring loaded twist cap is properly tightened to maintain system pressure. Always refill the cooling system with the appropriate coolant type and bleed air from the system after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 603-027 engine coolant reservoir undergoes quality checks to ensure durability and fitment accuracy. This part includes the coolant reservoir and cap, both designed for pressurized cooling systems. Warranty coverage details should be confirmed with the parts provider or manufacturer.