Genuine OEM Skoda Window Aperture Seal, part number 3T9839477. This seal is designed to protect the window aperture from water, wind, and dust, ensuring a watertight and quiet cabin environment. It is located on the rear left side of the vehicle. Made from durable rubber or EPDM material, it maintains its flexibility and sealing properties over time. Genuine OEM window aperture seals are vital for maintaining the vehicle's weatherproofing and preventing leaks, contributing to occupant comfort and protecting interior components.