Smart 451 Fortwo Side Window Quarter Glass Left N/S A4517200157

The Left Rear Side Window for Smart 451 Fortwo is an original body part from the Automotive Glass category, designed for installation on the left side of the vehicle. This used component ensures a factory-fit to the body, maintaining the car's proper geometry and side profile. It's a practical solution for post-accident repairs, replacing a damaged window, or completing the side bodywork on a Smart Fortwo 451 model.

Specifications and technical data

• SKU: A4517200157
• Mark: Smart
• Condition: Used
• OEM Part Number: A4517200157
• Substitutable numbers: A4517200157, A 451 720 01 57
• Location on the vehicle: Left
• Part type: Front Quarter Window
• Category: Car Glass

Intended Use and Fitment for Smart Fortwo 451

The presented rear side window has been specifically designed for the Smart Fortwo 451 series, taking into account the characteristic construction of its short urban body. Its placement on the left side of the vehicle allows for precise replication of the original side bodywork without the need for modifications or fitting universal replacements.

By maintaining the factory shape and profile, the window integrates seamlessly with original seals, frames, and mounting elements, simplifying service work and reducing the risk of leaks. This is particularly important for small urban vehicles where every glazed element affects driving comfort and visibility.

Technical and Functional Characteristics

As a component within the Automotive Glass group, the left rear side window performs several key functions in the Smart Fortwo 451's construction:

• stabilizes the rear side body structure of the vehicle,
• ensures adequate visibility in the rear-side area,
• works with the body seals to limit water and noise ingress,
• contributes to the aesthetic of the side profile and the visual coherence of the glazing.

The original origin of the part promotes proper alignment with the bodywork, which is important for both body and paint repairs, as well as for replacing a single window after mechanical damage.

Used Condition and Economic Benefits

The offered window is a component in used condition, which significantly reduces repair costs compared to purchasing a new part while maintaining the original manufacturer's specifications. This is a particularly beneficial solution for repairing vehicles used daily, where a sensible balance between price and functionality is key.

Choosing a used side window is a common practice in professional body shops and workshops specializing in the Smart brand, especially for repairs after minor collisions.

Installation Tips and Practical Application

The left rear side window for the Smart Fortwo 451 is intended for installation in its factory location, on the left side of the vehicle. When replacing it, it is recommended to:

• check the condition of the seals and mounting strips,
• verify the geometry of the side frame after any potential collision,
• install in a workshop environment, using appropriate automotive glass tools.

This approach minimizes the risk of stress on the glass and leaks, while also preserving the correct body line and acoustic comfort inside the cabin.

If you are planning a comprehensive repair or upgrade of the side glazing area on your Smart and need other parts from the same group, such as front windows, rear windows, or additional side glass elements, check the available parts in the Smart Automotive Glass category.

To better assess whether purchasing a new or used window is more cost-effective in your case, consult the guide on our blog: Car Parts – New or Used? Comparing Costs, Quality, and Durability.