Seat Leon 5F Mk3 5Dr Door Lower Seal Gasket Rubber Rear Right O/S 5F4839700

Seat Leon 5F Mk3 5Dr Door Lower Seal Gasket Rubber Rear Right O/S is an original body component from the Door seals group, designed for the rear right side of the vehicle. It ensures a tight connection between the lower edge of the door and the bodywork, limiting the ingress of water, dirt, and noise into the cabin. This is a practical solution for users who want to restore the factory functionality and aesthetics of the side body area.

Specifications and technical data

• SKU: 5F4839700
• Mark: Seat
• Condition: Used
• OEM Part Number: 5F4839700
• Substitutable numbers: 5F4839700, 5F4 839 700
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and function of the seal

The presented lower seal is dedicated to the rear right door pair in the Seat Leon 5F generation model. Its task is to seal the contact point between the door and the sill and the lower part of the frame, which helps maintain proper acoustic insulation and protects the interior from moisture. A properly selected seal reduces the risk of corrosion around the sills and lower door edges, and also contributes to the comfort of daily vehicle operation.

Benefits of using an original seal

Using an original lower door seal allows you to maintain proper fitment with factory mounts and the body profile. As a result, installation is smooth, without the need for modifications or adjustments. Stable seating on the rear right door edge promotes even pressure along the entire length, which translates into more effective sealing and less stress on the hinges and lock when closing.

A used element of this type is a good choice when the existing seal is worn, deformed, or leaking. This allows you to restore proper door operating conditions without the need to invest in a complete set of new body components.

Installation and fitment in the rear right body area

The lower seal for the rear right side is designed for a specific five-door body, which facilitates its proper alignment with the sill and door edge. Placement on the vehicle in the rear – right area allows for clear identification of the mounting position and avoids errors when selecting parts. In practice, this means that after the seal is correctly seated, the doors close with the appropriate resistance, and the contact line with the body remains even.

Before installation, it is recommended to thoroughly clean the contact surface of dirt and remnants of the old seal. Proper surface preparation improves adhesion and the durability of the connection, which is particularly important in urban use and with frequent opening and closing of the doors.

Application in service and body repairs

This element will work well both for standard replacement of a worn seal and during post-accident repairs when it is necessary to restore tightness in the rear right part of the body. Door seals are an important addition to body and paint work because they affect the final functional effect – cabin noise levels, upholstery protection, and sill durability.

If you are planning a comprehensive repair or upgrade of the door area in your Seat and need other elements from the same group, such as lower, side, or perimeter door seals, check the available parts in the Seat door seals category.

Practical maintenance tips

To extend the life of the seal, it is worth periodically removing sand and mud from its surface and using care products designed for rubber elements. This reduces the risk of cracking and hardening of the material, which is especially important during large temperature fluctuations. A well-maintained seal helps maintain stable conditions in the cabin, which is also important for the operation of the air conditioning and ventilation system.

Additional information on the impact of weather conditions on car components and methods of economical operation can be found in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which discusses practical aspects of vehicle care in high temperatures.