Seat Leon Mk2 1P Window Lifter Regulator Mechanism Rear Right O/S 1P0839462

Seat Leon Mk2 1P Window Lifter Regulator Mechanism Rear Right O/S is a factory-spec window regulator mechanism designed for the rear right side of the vehicle body. As a component from the Window Regulators and Motors group, it ensures precise window guidance and stable operation with the original electric drive, which translates into daily convenience and the proper functioning of the entire window opening system.

Specifications and technical data

• SKU: 1P0839462
• Mark: Seat
• Condition: Used
• OEM Part Number: 1P0839462
• Substitutable numbers: 1P0839462, 1P0 839 462
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Application and vehicle function

The presented mechanism is designed for installation in the rear right part of the body, where it is responsible for the smooth raising and lowering of the passenger window. The design, tailored to the door geometry of the Seat Leon Mk2 model, guarantees proper window guidance in the tracks, reduces play, and minimizes the risk of jamming during operation.

By maintaining factory geometry and mounting points, this component allows for the preservation of the original window operating characteristics – both in terms of movement speed and system operation smoothness. This is particularly important for vehicles equipped with comfort control, where repeatable and stable mechanism performance is required.

Construction and technical fitment

The window regulator mechanism has been designed as an OEM part for the Seat brand, which means full compatibility with factory mounting points, cable lengths, and the operating range of the guide arms. Such a fit facilitates installation and reduces the need for additional adjustments after mounting in the door.

The window guidance system is constructed to handle the loads resulting from frequent window use while maintaining a stable position of the glass relative to the seals. In practice, this translates into lower load on the window motor, reduced noise during operation, and limited wear on other door system components.

Benefits of using an original mechanism

Using an original window regulator in the rear right part of the body allows for maintaining the consistency of the entire window control system. Compared to aftermarket replacements, the factory mechanism offers:

• secure fitment to the door structure and factory mounts,
• stable cooperation with the existing motor and electrical installation,
• repeatable window operating characteristics on the rear passenger side.

As a used component, the mechanism represents a cost-effective solution while maintaining the manufacturer's original specifications. It is a good choice for maintenance repairs where technical compliance with the vehicle's factory equipment is a priority.

Part selection by OEM numbers and service practice

When selecting a window regulator for a specific vehicle, it is crucial to compare the OEM number and interchangeable numbers with the vehicle data or service documentation. This helps avoid installation issues and ensures compatibility with the body version and electrical equipment. In workshop practice, VIN identification is also often used to confirm the mechanism's compatibility with a specific car configuration.

If you are interested in a broader context of using used components in vehicle repairs, selection procedures by VIN and OEM, as well as real cost differences between new and used parts, it is worth checking out our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths.

Expanding the window control system in Seat vehicles

If you are planning a comprehensive repair or upgrade of the door and window area in your Seat and need other components from the same group, such as guides, complete mechanisms, or electric drives, check out the available parts in the Seat Window Regulators and Motors category.