Skoda Octavia 1Z Mk2 Rear Door Window Seal Glass AS2 Left N/S 1Z9845209J

Skoda Octavia 1Z Mk2 Rear Door Window Seal Glass AS2 Left N/S is a precisely fitted component from the Car Windows category, designed for installation on the left side of the rear bodywork. It ensures a tight fit for the glass, reduces wind noise, and supports the proper operation of the window lifting mechanism, which translates into comfort during daily use. This is a practical solution for users who want to restore the factory protective and acoustic properties of the rear doors.

Specifications and technical data

• SKU: 1Z9845209J
• Mark: Skoda
• Condition: Used
• OEM Part Number: 1Z9845209J
• Substitutable numbers: 1Z9845209J, 1Z9 845 209 J, 1Z9 845 209 N, 1Z9845209N
• Location on the vehicle: Rear, Left
• Part type: Front Quarter Window
• Category: Car Glass

Purpose and function in the vehicle

The presented seal is dedicated to the rear left body zone of the Skoda Octavia 1Z Mk2 generation. It is responsible for stable window guidance and maintaining proper sealing between the glass and the door frame. As a result, it limits the ingress of water, moisture, and contaminants into the door interior, and also reduces wind noise when driving at higher speeds. An element of this type is significant for:

• protecting the door interior from corrosion caused by excessive moisture,
• maintaining a stable position of the glass in the guides,
• acoustic comfort of the passenger cabin,
• proper operation of the window lifting and lowering mechanism.

Technical characteristics and fitment

The seal has been designed specifically for the rear left door window, which ensures a proper fit to the shape of the door frame and the contour of the glass. The design provided by the vehicle manufacturer allows for installation at the original mounting points, without the need for modifications or fitting universal replacements. Thanks to this:

• the factory geometry of the contact between the glass and the seal is maintained,
• stresses acting on the glass during mechanism operation are minimized,
• it is easier to maintain uniform pressure around the entire perimeter of the glass.

Condition of the item and benefits of choosing a used part

The offered seal comes from the used parts segment, which allows for combining reasonable repair costs with maintaining the original design intended for the Skoda Octavia. This type of element, with proper use, retains its functional properties for a long time, which is why choosing a verified used part is often a rational solution when renovating doors and the window area. If you want to better understand when purchasing a used component is justified and when it is worth considering other options, the article on our blog will be helpful: Renovation and repair of German cars – which used parts are worth buying and which are better to avoid?.

Practical assembly and operational tips

When installing the Skoda Octavia 1Z Mk2 Rear Door Window Seal Glass AS2 Left N/S, it is worth paying attention to thoroughly cleaning the contact surface in the door frame and checking the condition of the glass itself and the guides. Careful installation reduces the risk of subsequent leaks and improper operation of the window lifting mechanism. After installation, it is recommended to check:

• the smoothness of the window movement throughout the entire range,
• the absence of rubbing against the edges of the seal,
• tightness during pressure washing or heavy rain.

Expanding repairs within Skoda windows

If you are planning a comprehensive repair or upgrade of the side window area in your Skoda and need other elements from the same group, such as additional seals, window trim strips, or mounting elements, check the available parts in the Skoda Car Windows category.