Dorman 54016 Engine Coolant Reservoir Cap

Reliable Engine Coolant Reservoir Cap for Audi and Volkswagen

The Dorman 54016 engine coolant reservoir cap is designed to maintain proper pressure and seal in your vehicle's cooling system. Engineered for select Audi and Volkswagen models, this plastic coolant cap ensures a secure fit and consistent performance.

• Durable plastic construction for corrosion resistance
• 2.45-inch diameter with a 3.17-inch length and 1.5-inch width
• Threaded-on attachment type for easy installation
• Twist-type cap without pressure release lever or venting
• Maximum pressure rating of 22 psi to maintain system integrity

Product Details and Specifications

The Dorman 54016 coolant reservoir cap is crafted from high-quality plastic, providing a lightweight yet durable solution for your engine's cooling system. Measuring 2.45 inches in diameter, 3.17 inches in length, and 1.5 inches in width, this cap is designed to fit securely with a threaded-on attachment. It features a twist-type design without a pressure release lever or venting, suitable for non-pressurized cooling systems. The cap is rated for a maximum pressure of 22 psi, helping to maintain the correct pressure balance within the coolant reservoir.

Compatible Vehicles and Applications

This engine coolant reservoir cap is compatible with a range of Audi and Volkswagen models, including Audi A3, A3 Quattro, A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, RS4, RS6, S3, S4, S6, TT, and TT Quattro. It also fits Volkswagen Golf, Jetta, Passat, Q7, and Touareg models. The Dorman 54016 cap is an appropriate replacement part for maintaining the cooling system's performance on these vehicles.

Common Issues Addressed by This Coolant Reservoir Cap

• Prevents coolant leaks caused by worn or damaged caps
• Maintains proper pressure to avoid overheating
• Ensures a secure seal to prevent contamination
• Replaces cracked or broken caps that compromise cooling system efficiency
• Helps avoid engine damage due to coolant loss

Installation Notes and Tips

Installation of the Dorman 54016 coolant reservoir cap is straightforward due to its threaded-on, twist-type design. Before installation, ensure the reservoir neck is clean and free of debris. Align the cap properly and twist until securely tightened to prevent leaks. Avoid over-tightening, which can damage the threads or the cap itself. This part is designed for non-vented, non-pressurized systems, so verify compatibility with your vehicle's cooling system specifications.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 54016 engine coolant reservoir cap undergoes quality checks to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or Dorman's official documentation for exact warranty terms.