Skoda Octavia II Rear Door Window Seal Gasket Glass AS2 Left N/S 1Z5845209D

Skoda Octavia II Rear Door Window Seal Gasket Glass AS2 Left N/S is a precisely fitted body component designed for installation in the rear left door. It is responsible for a tight glass fit, noise reduction, and protection of the interior against water and contaminants, while ensuring the stable operation of the window lifting mechanism. Thanks to its factory geometry and appropriate profile, it serves as a functional service solution for side body repairs.

Specifications and technical data

• SKU: 1Z5845209D
• Mark: Skoda
• Condition: Used
• OEM Part Number: 1Z5845209D
• Substitutable numbers: 1Z5845209D, 1Z5 845 209 D
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and function of the seal

The described seal is a component designed for installation in the rear left door, in the glass seating area. Its tasks include:

• sealing the contact between the glass and the door frame,
• limiting the ingress of water and dust into the door interior,
• reducing wind noise while driving,
• stabilizing the glass movement in the guides.

A properly selected seal improves cabin acoustic comfort, enhances the anti-corrosion protection of the door structure, and supports the correct operation of the window regulator.

Why it is worth using an original Skoda seal

The item comes from the group of original Skoda components, which means it maintains the factory shape, rubber compound hardness, and mounting points. In practice, this translates into:

• secure fit to the door frame without the need for modifications,
• proper adhesion to the glass along the entire perimeter,
• maintaining tightness during typical body deformations while driving.

As a result, the seal works well with the existing door structure, maintaining the parameters specified by the vehicle manufacturer.

Installation characteristics

The seal is prepared for installation in a specific location on the body – in the rear, left area of the vehicle. The mounting layout and working profile are matched to the geometry of the Skoda Octavia II door, which facilitates service and shortens replacement time. With proper installation, it is possible to:

• restore tightness after glass replacement or door repair,
• eliminate whistling and wind noise that appear at higher speeds,
• reduce the risk of moisture affecting upholstery and internal components.

Due to its dedicated placement, it is worth paying attention to the mounting side and compatibility with the body version to maintain the full functionality of the component.

Use in service and body repairs

The rear door window seal on the left side is suitable both for the typical replacement of a worn-out element and for more extensive post-accident repairs. It is particularly useful when:

• the existing seal is brittle, cracked, or deformed,
• there are leaks and water streaks in the area of the rear side window,
• new wind noises have appeared after glass replacement.

Using parts from the same design group allows for maintaining technical consistency of the repair and reduces the risk of needing further intervention in the door.

Complementary parts and service knowledge

When performing comprehensive work on the body and vehicle systems, it is also worth considering the optimization of other components to reduce operating costs. A good supplement to service knowledge can be a guide on selecting used cooling system components – you can find it in the article Summer heat vs. cooling system – how used radiators and fans help reduce costs, which shows how to consciously use proven recycled parts.

Summary

Skoda Octavia II Rear Door Window Seal Gasket Glass AS2 Left N/S is a practical service component that allows you to restore the tightness and proper operation of the side window in the rear left door. Thanks to its factory fit to the vehicle's structure, it facilitates repairs, supports interior protection against external factors, and helps maintain cabin acoustic comfort at the appropriate level.