Skoda Octavia II Rear Window Seal Door Left N/S Gasket Glass AS2 1Z5845209G

Skoda Octavia II Rear Window Seal Door Left N/S Gasket Glass AS2 is a precisely fitted body component designed for installation in the rear left area of the vehicle. It is responsible for the tight seating of the window, noise reduction, and protecting the interior from water and contaminants, which translates into stable window operation and acoustic comfort in the cabin. This used original component is a sensible choice for drivers looking for a functional and cost-effective solution while maintaining factory fitment.

Specifications and technical data

• SKU: 1Z5845209G
• Mark: Skoda
• Condition: Used
• OEM Part Number: 1Z5845209G
• Substitutable numbers: 1Z5845209G, 1Z5 845 209 G
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and fitment

The seal is designed specifically for the rear left part of the body, in the door window area, ensuring proper adhesion to the door frame and glass. Its dedicated placement on the vehicle minimizes the risk of leaks, squeaking, or excessive window vibration while driving. Thanks to its design, which complies with factory solutions, the geometry of the window guide and the correct operation of the lifting and lowering mechanism are maintained.

Window sealing function and interior protection

The element plays a key role in the Car windows category, being responsible for:

• limiting water ingress into the door interior and cabin,
• reducing wind noise at higher speeds,
• stabilizing the window edge in the guide,
• protection against dust, road salt, and fine contaminants.

A properly selected rear window seal affects vehicle comfort, reduces the risk of internal window fogging, and helps maintain more uniform thermal conditions in the cabin.

Product characteristics and installation benefits

Skoda Octavia II Rear Window Seal Door Left N/S Gasket Glass AS2, as an element from the group of original design solutions, ensures compatibility with the body line and factory mounting points. The used component allows for:

• maintaining factory door and window fitment without the need for modifications,
• reducing repair costs compared to new parts,
• restoring proper window operation after a collision, corrosion, or wear of the previous seal.

Replacing the seal is particularly recommended when water leaks appear in the rear cabin area, audible wind noise is coming from the left rear door, or visible damage to the rubber at the contact point with the glass is present.

Practical application and operation

Selecting the right seal for the rear left body area is important not only for comfort but also for the durability of other components – limiting moisture ingress reduces the risk of corrosion inside the door and damage to the electrical wiring routed in this area. Maintaining window tightness also affects the efficiency of heating and air conditioning, as it limits uncontrolled air exchange with the environment.

For vehicles used year-round, especially in urban conditions and on roads with poorer surface quality, regular inspection of window seal conditions is a simple way to avoid more expensive repairs related to interior dampness.

If you are planning a comprehensive repair or upgrade of the side glazing area in your Skoda and need other elements from the same group, such as door windows, perimeter seals, or window trim strips, check the available parts in the Skoda car windows category.

Technical support and operational knowledge

When working on the body and windows, it is worth paying attention to the general condition of the vehicle, including the cooling system, which operates under increased load during the summer. The impact of high temperatures on car components and the potential for savings when using used components are described in more detail in our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which will help you better plan the service of your entire car.