Marelli AC819 Window Regulator - Rear Left

Reliable Window Regulator for Audi A4 and S4 Models

The Marelli AC819 window regulator is designed specifically for Audi vehicles including the A4, A4 Quattro, allroad, and S4 models. This replacement part ensures smooth and consistent window operation, restoring functionality to your vehicle's door system.

• Compatible with Audi A4, A4 Quattro, allroad, and S4 models
• OEM-quality window regulator by Marelli
• Part number AC819 for precise identification
• Engineered for durability and reliable performance
• Designed to meet factory specifications for fit and function

Product Details and Compatibility

The Marelli AC819 window regulator is a direct replacement part for the door window mechanism on select Audi models. It is engineered to match the original equipment manufacturer (OEM) standards, ensuring proper fitment and operation. This part is compatible with Audi A4, A4 Quattro, allroad, and S4 vehicles, providing a reliable solution for window control issues. The regulator is built to withstand regular use and environmental factors, maintaining smooth window movement over time.

Common Applications and Problem Resolution

• Restores window movement when the glass is stuck or slow
• Replaces faulty or broken window regulators causing window misalignment
• Eliminates window noise or rattling due to worn components
• Addresses power window failure in compatible Audi models
• Improves door window functionality after mechanical damage

Installation Notes and Tips

Installation of the Marelli AC819 window regulator requires removal of the door panel and careful handling of the window glass. It is recommended to disconnect the vehicle battery before beginning to avoid electrical issues. Ensure all mounting points align correctly and test window operation before reassembling the door panel. Professional installation is advised if unfamiliar with door component repairs.

Quality Assurance and Warranty

Marelli manufactures the AC819 window regulator to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided, Marelli parts typically come with manufacturer-backed coverage against defects. Verify warranty terms with the supplier or manufacturer for confirmation.