Smart C450 Front Door Window Seal Gasket Left N/S Side Q0001364V004000000

Smart C450 Front Door Window Seal Gasket Left N/S Side is a precisely fitted component from the Window seals and trims category, designed for installation on the driver's side in the front body section. It is responsible for the tight guidance of the window, noise reduction, and protecting the interior from water and contaminants, ensuring the stable operation of the window lifting mechanism. Thanks to its factory geometry and profile, the seal allows for restoring proper window fitment without interfering with the door structure.

Specifications and technical data

• SKU: Q0001364V004000000
• Mark: Smart
• Condition: Used
• OEM Part Number: Q0001364V004000000
• Substitutable numbers: Q0001364V004000000, Q 0001364V004000000
• Location on the vehicle: Front, Left
• Category: Window Seals, Gaskets & Trims

Purpose and vehicle placement

The presented seal is designed for installation in the front left door area, specifically for guiding and sealing the window. The placement on the vehicle, defined as front – left side, means that the component works with the driver's window, being responsible for:

• stable window guidance in the channel during raising and lowering,
• limiting air drafts at higher speeds,
• reducing road noise and wind noise,
• protecting the door interior from water and fine contaminants. Such placement ensures that the proper condition of the seal has a direct impact on acoustic comfort in the cabin and the correct operation of the window mechanism on the driver's side.

Technical and functional characteristics

The seal belongs to a group of body components responsible for sealing and insulation around the side windows. The working profile is shaped to interact with the edge of the glass and the door frame, creating a continuous barrier against water and air. The appropriate material flexibility allows for the compensation of minor door deformations while maintaining stable pressure against the glass. As an original Smart brand component, the seal maintains factory dimensional tolerances, which translates into:

• secure seating in the door mounting slot,
• no need for modifications or adjustments,
• visually consistent sealing line relative to other body elements.

Condition, origin, and advantages of using a used part

The item is offered as a used part, which in practice means it originates from an operated vehicle while retaining the functionality required for further installation. In the case of window seals, this is significant because original components from dismantling often retain their shape and fit better than aftermarket replacements with simplified geometry. Using a used front left door window seal allows you to:

• optimize repair costs while maintaining the original specification,
• restore proper sealing in the driver's door area,
• reduce the risk of poor fitment characteristic of universal parts.

Body integration and user comfort

A properly installed window seal in the front left door affects daily driving comfort. Proper adhesion to the glass limits the "whistling" phenomenon at higher speeds and minimizes the risk of moisture appearing in the door upholstery area. Additionally, stable window guidance reduces the load on the lifting mechanism, which can translate into longer, trouble-free operation. Replacing a worn seal with an original element from the same model series is particularly recommended in situations where symptoms appear, such as:

• noticeable window play in the guide,
• increased noise in the cabin from the driver's door side,
• traces of water or moisture around the door frame.

Related components and further body optimization

If you are planning a comprehensive repair or upgrade of the side glazing area in your Smart and need other elements from the same group, such as additional window seals, trim strips, or guides, check out the available parts in the Smart window seals and trims category. When selecting body components from the secondary market, it is worth following principles analogous to those used when choosing fuel system components – they are described in detail in the article "Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?", which shows how to consciously choose used components that are crucial for vehicle reliability.