Audi A5 8T Window Slot Seal Trim Strip Rubbr Cover Rear Left N/S 8T8853763

The Audi A5 8T Rear Left Window Regulator Seal is an original body part from the window and trim seals category, designed for installation on the rear left side. It ensures proper window guidance, reduces wind noise, and helps maintain the sealing and aesthetics of the vehicle's side body.

Specifications and technical data

• SKU: 8T8853763
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T8853763
• Substitutable numbers: 8T8853763, 8T8 853 763
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Intended Use and Function of the Part

The presented Audi A5 8T Rear Left Window Regulator Seal operates at the contact point between the window and the door frame, stabilizing the vertical movement of the window and reducing its vibrations. A properly selected seal:

• improves window sealing against external water and dirt,
• reduces cabin noise at higher speeds,
• protects the window edge from excessive mechanical wear,
• stabilizes the window lifting mechanism, reducing the risk of jamming.

Its placement on the vehicle is the rear left side, allowing for precise fitting to the specific mounting position in the Audi A5 8T generation body.

Construction and Technical Properties

This part belongs to the group of window and trim seals, made from a flexible material that conforms to the shape of the frame and the window. The seal's construction is profiled to:

• maintain even window pressure along the entire length of the regulator,
• minimize friction during the window's upward and downward movement,
• ensure stable seating in the body cavity without looseness or deformation.

Thanks to its original Audi manufacturing, the seal's geometry and cross-section comply with the structural requirements of the A5 8T body, ensuring predictable performance during operation.

Condition, Installation, and Service Application

The offered seal is a used part, which in practical servicing often represents a reasonable compromise between repair cost and maintaining original quality. Replacing a worn or deformed window regulator seal is recommended in situations where:

• increased noise is present around the rear window when driving at higher speeds,
• signs of leakage in the form of moisture around the window frame appear,
• the window mechanism operates with difficulty, e.g., jerky or uneven movement.

Installation should be performed following the correct sequence of removing upholstery and finishing elements of the door or side body. Using an original seal simplifies the mechanic's work, as the shape and length are matched to the factory mounting points.

Benefits of Using an Original Audi Seal

Choosing an original window regulator seal for the Audi A5 8T offers a range of practical benefits:

• factory fit to the body – no need for modifications or cutting,
• visual consistency with other trims and seals on the vehicle,
• maintenance of proper acoustic comfort inside the cabin,
• reduction of the risk of accelerated wear on the window lifting mechanism.

For workshops and owners who prioritize maintaining the vehicle's original specifications, using such a part is a technically safe and predictable solution for long-term operation.

Other Audi Window and Trim Seals

If you also need other Audi window and trim seals, check the Audi window and trim seals available in our store to select complete body part sets for your model.

If you are interested in a broader context of using aftermarket parts within the VAG group, it is worth reading the guide about the Volkswagen brand – Volkswagen – Solidness and Reliability. Why Used VW Parts Are a Sensible Choice?, which discusses practical aspects of selecting and installing used components.