VW Volkswagen Golf 1K Rear Regulator Window Mechanism Left N/S 1K4839461A

The VW Volkswagen Golf 1K Rear Left Window Regulator Mechanism is an original part from the Window Regulators and Motors group, designed for the rear left window in the body. It ensures smooth window operation and stable integration with the electric control system, providing convenience for daily use. This solution is dedicated to users who expect a proven design and a perfect fit for the original window system in a Volkswagen.

Specifications and technical data

• SKU: 1K4839461A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K4839461A
• Substitutable numbers: 1K4839461A, 1K4 839 461 A
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Application and Function in the Vehicle

The mechanism is designed for the rear left part of the body, where it is responsible for stable window guidance within the tracks and transferring power from the lift motor. This ensures the correct geometry of the window lifting and lowering system, with loads distributed evenly across the door's structural elements.

In practice, this means:

• correct operation with the original window control system,
• maintaining proper window seal pressure,
• reducing the risk of jamming, play, and unwanted vibrations during driving.

Benefits of Using an Original Mechanism

Using a part specifically designed for Volkswagen maintains the structural integrity of the entire window system. Original geometry and mounting points facilitate installation and minimize the need for additional modifications. The mechanism works with factory-provided guides and seals, contributing to proper door sealing and acoustic comfort inside the cabin.

Key advantages include:

• compatibility with the original window control system for the rear left side,
• maintaining the manufacturer's specified window travel range,
• reducing the risk of accelerated wear on other system components.

Performance Characteristics and Installation

The mechanism is intended for installation in the rear driver's side door (in left-hand drive vehicles), which is important for repair or replacement planning. Precise fitting to the specific vehicle position simplifies servicing and reduces installation time. Correct alignment of the part with the window and guides prevents stress that could lead to glass damage or excessive strain on the motor.

When replacing, pay attention to:

• correct positioning of the window cable or guide arms,
• checking the condition of seals and guides,
• verifying proper window operation after the initial system activation.

Application in Service and Repairs

The VW Volkswagen Golf 1K Rear Left Window Regulator Mechanism is suitable for both standard repairs after a lift failure and comprehensive restoration of the rear left door. It allows for the restoration of full window functionality, which is important not only for comfort but also for safety – especially in situations requiring quick opening or closing of the window.

If you are planning a comprehensive repair or upgrade of the door and side window area in your Volkswagen and need other parts from the same group, such as guides, lift motors, or complete window regulators, check the available parts in the Volkswagen Window Regulators and Motors category.

Service Knowledge and Fault Prevention

When working on window systems, it's beneficial to be aware of common design issues in various models to better plan repairs and avoid unnecessary costs. Analyzing the failure rates of popular powertrains and accessories in other brands can serve as a good reference point – it helps to better understand the importance of selecting appropriate components and regular technical condition checks. You can find more on this topic in the article BMW E90 Engine Failures: Find Out What Can Ruin Your Budget!, which illustrates how service neglect can impact the overall operating costs of a car.