Toyota Aygo B1 Rear Door Window Seal Gasket Rubber Left Right N/O/S 678730H011

Toyota Aygo B1 Rear Door Window Seal Gasket Rubber Left Right N/O/S is an original component from the Window seals and moldings group, designed for installation on the left or right side of the rear body section. It ensures a tight fit for the window, limits the ingress of water and noise into the interior, and helps maintain a stable window position during vehicle operation.

Specifications and technical data

• SKU: 678730H011
• Mark: Toyota
• Condition: Used
• OEM Part Number: 678730H011
• Substitutable numbers: 678730H011, 67873-0H011
• Location on the vehicle: Rear, Right, Left
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function of the rear door window seal

The presented seal has been designed specifically for the rear body zone of the Toyota Aygo, with the possibility of installation on both the left and right sides. The component is responsible for properly sealing the door window perimeter, which translates to limiting leaks, reducing wind noise, and ensuring stable window guidance within the door frame. Thanks to its tailored rubber profile and correct geometry, the seal works in harmony with the factory door construction, maintaining proper pressure against the glass and bodywork. This allows for maintaining correct cabin acoustic parameters and reducing the risk of corrosion around the door edges.

Construction and material properties

The seal is made of flexible rubber material, selected for its resistance to variable temperatures, UV radiation, and typical operational loads. The material structure provides appropriate elasticity, which facilitates installation in the door frame and allows for the compensation of minor body deformations while driving. The rubber sealing profile has been molded to work with the edge of the glass and door stampings, creating a continuous barrier against water, dust, and wind gusts. The properly selected hardness of the material also limits the transmission of vibrations to the glass, which promotes quieter operation of the lifting and lowering mechanism.

Vehicle placement and application

The component is intended for installation in the rear part of the body, on the door on the left or right side. Such placement requires precise fitting to the shape of the door frame and window guide, which is why using an original seal dedicated to the Toyota Aygo allows for maintaining the factory operating parameters of the window mechanism. Replacing the seal is particularly recommended in the event of leaks, visible cracks, hardening of the rubber, or problems with the window closing properly. Using the correct component helps restore proper window adhesion to the frame and reduces the risk of internal window fogging.

Benefits of using an original Toyota seal

Using an original Toyota component ensures:

• factory fitment to the shape of the door and window,
• consistency with other body sealing system components,
• stable window guidance during mechanism operation,
• reduction of noise and drafts in the cabin. Thanks to this, the Toyota Aygo B1 Rear Door Window Seal Gasket Rubber Left Right N/O/S is a functional solution for repairs related to leaks, glass replacement, or rear door zone renovation. If you are planning a comprehensive repair or upgrade of the window and glazing zone in your Toyota and need other components from the same group, such as additional seals, finishing moldings, or guide profiles, check the available parts in the Toyota window seals and moldings category.

Practical tips for selecting used parts

When choosing components from the secondary market, it is worth paying attention to the general condition of the rubber working surface, the absence of deep cracks, and the preserved elasticity of the material. Similar principles apply when selecting other sub-assemblies, especially in critical vehicle systems – more practical information on the safe use of used parts can be found in the article "Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?", which discusses key aspects of assessing the technical condition of dismantled components. Additional information on how a wide range of parts in one place can shorten vehicle downtime in the workshop can be found in the guide "No more weeks of waiting – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic?", which may be helpful when planning broader service work on your Toyota Aygo.