Mini F57 Convertible Quarter Window Seal Weatherstrip Left N/S Gasket 7356301

Mercedes W213 Rear Left Door Window Seal is a precisely profiled component from the Window Seals and Trim category, designed for installation on the rear left side of the body. Its original origin from the Mini brand ensures proper fit to the door structure and stable window guidance in the track. A used component allows for an economical yet technically correct repair of the side glazing area.

Specifications and technical data

• SKU: 7356301
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7356301
• Substitutable numbers: 7356301, 51357356301
• Location on the vehicle: Left
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Seal

The described seal is responsible for the watertight connection between the window and the door frame on the rear left side. Its purpose is to prevent water, moisture, and dirt from entering the door and cabin, as well as to stabilize the window during raising and lowering.

A well-chosen seal contributes to:

• maintaining the proper operation of the window lifting mechanism,
• reducing wind noise during driving,
• protecting the interior of the door from corrosion caused by excessive moisture,
• preserving the correct geometry of the window guidance relative to the door frame.

Benefits of Using an Original Mini Part

The rear left door window seal, originating from the Mini brand, has been designed with a specific frame profile and window shape in mind. Thanks to this, it ensures:

• factory fit to the door edge without the need for component modification,
• appropriate rigidity and flexibility at the bends,
• correct adhesion to the glass along the entire length of the track,
• compatibility with original mountings and clips in the door.

Using an original seal from the Window Seals and Trim group reduces the risk of leaks, creaks, or improper window operation, which often occur with universal profile elements.

Assembly and Operational Characteristics

The seal is intended for installation on the left side of the vehicle, in the rear door, which is important for matching its shape to the frame and the direction of window operation. The component's design is prepared to work with the factory window lifting mechanism, maintaining appropriate pressure on the glass and frame.

In practice, this means that after correct installation:

• the window moves smoothly throughout its range,
• the glass edge remains stable relative to the frame,
• the risk of jamming and excessive play in the track is reduced.

The used condition of the component allows for a favorable cost-to-functionality ratio, while maintaining the correct geometry and profile of the seal.

Application in Service and Renovation

Replacing the rear left door window seal is particularly recommended in situations where symptoms such as increased cabin noise, visible water leaks around the window, difficulty closing the window, or signs of wear on the rubber edges appear. Using an original Mini part allows for the restoration of correct window operation and the aesthetic appearance of the door edges.

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

Technical Support and Mini Parts Knowledge

For users who want to better understand the design differences between older and newer models and the importance of using appropriate sealing elements, a comparative material may be helpful. In the broader context of selecting body and window components, it is worth reading the article Classic Mini vs Modern MINI – How Construction Has Changed and Which Original Mini Parts Help Preserve Their Character, which discusses the specifics of original solutions used in this brand.