Toyota Avensis T270 Rear Door Glass Weatherstrip Seal Inner Left N/S 68174051

Toyota Avensis T270 Rear Door Glass Weatherstrip Seal Inner Left N/S is an original body component from the Window Seals and Trims group, designed for installation on the rear left side. It ensures a tight glass guide, reduces wind noise, and supports the proper operation of the window lifting mechanism, which translates into stable acoustic comfort inside the vehicle.

Specifications and technical data

• SKU: 6817405100
• Mark: Toyota
• Condition: Used
• OEM Part Number: 6817405100
• Substitutable numbers: 6817405100, 68174-05100
• Location on the vehicle: Rear, Left
• Part type: Inner Beltline Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function of the seal

The presented seal is dedicated to the rear left door window in the Toyota Avensis T270 generation model. The component works in direct contact with the glass, stabilizing its vertical movement and limiting the ingress of water and contaminants into the door interior. This reduces the risk of corrosion of internal components and supports the smooth operation of the window regulator. The internal positioning of the seal allows for effective damping of glass vibrations while driving, which reduces unwanted noise and improves the overall comfort of using the vehicle. A properly selected window seal is essential, especially in cars operated in varied weather conditions, where the tightness and stability of the glass have a direct impact on the durability of the entire door assembly.

Compatibility and body fitment

The seal has been designed specifically for the construction of the rear door on the left side of the Toyota Avensis T270, ensuring a proper fit to the shape of the door frame and glass. The appropriate working profile allows for even pressure along the entire length of the glass edge, minimizing the risk of leaks and play during the operation of the lifting mechanism. Dedicated vehicle placement facilitates the identification of the correct component during body repairs, replacement of damaged seals, or during bodywork and painting tasks on the rear left side. The use of an original seal from this group allows for maintaining factory door fitment parameters and repeatability of window operation throughout its entire range of motion.

Performance characteristics of the component

As a used part, the Toyota Avensis T270 Rear Door Glass Weatherstrip Seal Inner Left N/S is a solution that allows for reducing service costs while maintaining original geometry and operating characteristics. Original origin from the Toyota brand promotes compatibility with factory mounts and other door components. Replacing a worn or damaged seal with a functional element from the same group allows you to:

• reduce wind noise occurring at higher speeds,
• limit the ingress of moisture into the door interior,
• stabilize the glass movement in the guides,
• reduce the load on the window lifting mechanism.

Practical installation tips

When installing the rear left door glass seal, it is recommended to thoroughly clean the mounting slot in the door and check the condition of the guides and the window lifting mechanism. Proper seating of the seal along the entire length of the edge is crucial for maintaining tightness and avoiding point stresses on the glass. Due to the specific shape of the profile, installation should be carried out in stages – starting from one of the corners, while checking the adhesion to the door frame. After installation, it is recommended to fully lower and raise the window several times to verify the smoothness of movement and the absence of rubbing against the edges of the seal.

Repair zone expansion and technical knowledge

If you are planning a comprehensive repair or modernization of the side glazing zone in your Toyota and need other elements from the same group, such as inner window seals, outer window trims, or additional sealing profiles, check the available parts in the Toyota Window Seals and Trims category. During body service work, the need to optimize costs in other vehicle systems often arises in parallel. In the case of the fuel supply system, a guide on the safe selection of dismantled components may be helpful – you can find detailed tips in the article Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?.