Mercedes W906 Sealing Frame Gasket Seal Rubber Rear Left N/S A9066713020

The Mercedes W906 Window Seal Rear Left Frame Seal is an original part from the Window Seals and Trim group, designed for the rear left part of the body. The precisely fitted geometry of the seal ensures stable glass seating, limits water and noise ingress, and supports maintaining the proper rigidity of the window frame in the Mercedes body.

Specifications and technical data

• SKU: A9066713020
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9066713020
• Substitutable numbers: A9066713020, A 906 671 30 20
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Seal

The presented seal frame operates in the rear left window area, responsible for a watertight connection between the glass and the body structure. A properly selected seal profile:

• limits air drafts and noise at higher speeds,
• helps drain rainwater outside the interior,
• supports corrosion protection in the area where the glass meets the body,
• stabilizes the glass position relative to the window frame.

Therefore, replacing a worn or leaky frame with a functional part improves cabin acoustic comfort and reduces the risk of upholstery and structural component dampness.

Compatibility and Fit for Mercedes W906

The seal has been specifically designed for the Mercedes W906 series body, taking into account the characteristic geometry of the vehicle's rear left section. This means:

• factory fit to the window frame shape,
• proper adhesion around the entire perimeter of the glass,
• installation in place of the original part without structural modifications.

This solution simplifies service work – installation is predictable, and the connection to the body maintains near-factory parameters.

Characteristics of a Used Part

The offered seal is a used part, meaning it comes from a dismantled Mercedes vehicle. Such a component can be an attractive alternative to new parts, especially if you prioritize:

• maintaining the original manufacturer's specifications,
• reducing repair costs while maintaining adequate quality,
• using a part with proven geometry and compatibility with the specific body generation.

Before installation, a standard inspection of the working surfaces and proper preparation of the body seat are recommended to fully utilize the sealing properties of the component.

Benefits of Using an Original Window Seal

Using an original seal in the rear left part of the Mercedes body translates into a number of practical benefits:

• Improved glass-body seal – reduced leaks and interior dampness.
• Stable glass guidance – less risk of cracking, looseness, and unwanted vibrations.
• Consistency with factory construction – no need to adapt universal profiles or modify the bodywork.

For workshops and users, this means a predictable repair outcome and easier maintenance of the vehicle in parameters close to its factory condition.

Expansion of Service Work and Additional Information

If you are planning a comprehensive repair or upgrade of the side glazing area in your Mercedes and need other parts from the same group, such as frames, additional seals, or trim strips, check the available parts in the Mercedes Window Seals and Trim category.

Choosing parts from dismantling can also be part of a conscious approach to vehicle operation. If you want to better understand how using used components affects the environment and vehicle performance, it's worth reading the article Eco-Tuning in Practice: How to Increase Performance While Reducing Carbon Footprint with Recycled Parts, which discusses the practical aspects of this approach.