Land Rover Discovery L550 Front Door Glass Seal Gasket Left N/S FK72-21597-AC

Land Rover Discovery L550 Front Left Door Window Seal FK72-21597-AC is an original part from the Window Seals and Trim category, designed for installation on the front left door. Its precisely fitted profile ensures a tight seal against the window and door frame, reducing noise, vibrations, and moisture ingress into the vehicle's interior.

Specifications and technical data

• SKU: LR079521
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR079521
• Substitutable numbers: FK72-21597-AC, FK7221597AC, LR079521
• Location on the vehicle: Front, Left
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Vehicle Application and Placement

This seal is specifically designed for installation on the front left door of the Land Rover Discovery L550 model. It is responsible for properly sealing the window perimeter and its contact with the bodywork, which is crucial for acoustic comfort and protecting the interior from external elements.

Thanks to its dedicated shape and factory mounting points, the part allows for installation without modifications, maintaining the original geometry of the door and window.

Construction and Function of the Door Window Seal

The front left door window seal in the Discovery L550 performs several important operational functions:

• It prevents water and moisture from entering the door and cabin.
• It stabilizes the window in its guides during raising and lowering.
• It reduces wind noise at higher speeds.
• It minimizes vibrations and creaking around the door frame.

The appropriately profiled working edge of the seal interacts with the window and door frame, ensuring even pressure along the entire perimeter. This maintains the correct seal of the window system, contributing to stable operation of the window lifting mechanism.

Original Origin and Fitment

This part comes from the original Land Rover production line, guaranteeing compliance with the factory specifications of the Discovery L550 model. In practice, this means:

• A secure fit to the shape of the door and window.
• Maintenance of the material's proper stiffness and flexibility.
• Compatibility with factory mountings and trim strips.

An original seal helps maintain the structural integrity of the door, which is particularly important in off-road vehicles and SUVs, where the body experiences a wider range of loads than in typical urban passenger cars.

Condition, Application, and Benefits of Replacement

The product is offered as a used original part, providing a cost-effective solution for users seeking factory quality at a reasonable price. Replacing a worn or leaking front left door window seal is recommended when you notice:

• Increased wind noise around the door.
• Signs of water or moisture on the upholstery and the lower part of the door.
• Window play or improper operation of the lifting mechanism.

Choosing an original seal dedicated to a specific model avoids the fitting issues common with universal aftermarket parts and restores factory-level sealing and acoustic comfort.

Complementary Window Seals and Trim for Land Rover

If you also need other parts from the Window Seals and Trim category for this brand of vehicle, check out the Land Rover window seals and trim available in our store to complete your body sealing set.

For drivers interested in improving visibility and safety when driving at night, we also recommend a practical guide to lighting – you can find it here: a complete guide to selecting and replacing used LED and Xenon headlights.