Marelli AC820 Window Regulator - Rear Right

Marelli AC820 Rear Right Window Regulator

The Marelli AC820 is a rear right window regulator for select Audi models. It is listed for vehicles without a motor and is a direct-fit body repair part for restoring rear passenger window operation.

Key Features

• Rear right window regulator for body door repair
• Fits 2013-2016 Audi allroad, rear right, w/o motor
• Fits 2009-2015 Audi A4, rear right, w/o motor
• Fits 2009-2015 Audi A4 Quattro, rear right, w/o motor
• Fits 2010-2015 Audi S4, rear right, w/o motor
• Marelli part number AC820 for application matching

Detailed Description

Marelli AC820 is a rear right window regulator built for select Audi A4, Audi A4 Quattro, Audi S4, and Audi allroad applications. Use this part when the rear passenger window needs a replacement regulator and the vehicle is equipped without a motor. The AC820 supports proper glass movement in the door assembly and is a fitment-based replacement for the listed model years.

What It Helps Fix

• Window glass that will not raise or lower correctly
• Binding or uneven rear passenger window movement
• Broken regulator mechanism inside the door
• Noise from a worn or damaged window lift assembly
• Loss of rear right window function on Audi A4, A4 Quattro, S4, or allroad models

Installation Notes and Tips

Verify rear right fitment and confirm the vehicle is listed as w/o motor before ordering. Compare the original regulator layout, mounting points, and door configuration to the existing part. For best results, inspect the window guides, glass channels, and related door components during replacement.

Quality Assurance

Marelli is an established automotive parts brand, and AC820 is cataloged for the specific Audi applications shown above. This part cross-references no additional part numbers in the provided data.