ACI 389537 Power Window Motor and Regulator Assembly - Rear Right

Reliable Window Motor and Regulator Assembly for Land Rover Vehicles

The ACI Window Assembly 389537 is a new power window motor and regulator designed specifically for Land Rover models including the LR3, LR4, and Range Rover Sport. Engineered to meet or exceed OEM standards, this assembly ensures smooth and efficient window operation with express up and down functionality.

• New power window motor and regulator assembly
• Hardened steel gear for enhanced durability
• Express up and down feature for quick window movement
• Meets or exceeds OEM specifications
• Compatible with Land Rover LR3, LR4, and Range Rover Sport
• Part number 389537 for precise fitment

About the ACI Window Assembly Product Line

The ACI Window Assembly product line focuses on delivering reliable window components that combine motor and regulator functions into a single unit. This integration simplifies installation and replacement while maintaining factory-level performance. The 389537 assembly is part of this line, providing a direct-fit solution for Land Rover vehicles requiring power window repairs.

Detailed Product Description

This window motor and regulator assembly features a hardened steel gear designed to withstand the rigors of daily use, reducing wear and extending the lifespan of the component. The power type assembly includes an express up and down function, allowing for faster window operation compared to standard motors. As a new part, it offers consistent performance and reliability, making it suitable for restoring proper window function in Land Rover LR3, LR4, and Range Rover Sport models. The assembly is engineered to meet or exceed OEM quality standards, ensuring compatibility and durability.

Common Issues Addressed by This Window Motor and Regulator Assembly

• Slow or unresponsive power window movement
• Window stuck in the up or down position
• Grinding or unusual noises during window operation
• Failure of express up/down functionality
• Intermittent window motor operation

Installation Notes and Tips

Installation of the ACI 389537 window motor and regulator assembly requires removal of the door panel and disconnection of the existing window motor. Ensure the vehicle’s battery is disconnected before starting to avoid electrical hazards. Align the regulator properly to prevent window misalignment. Use the OEM mounting points and hardware for secure installation. Testing the express up/down function before reassembling the door panel is recommended to confirm proper operation.

Quality Assurance and Warranty

The ACI Window Assembly 389537 is manufactured to meet or exceed OEM specifications, providing reliable performance for Land Rover LR3, LR4, and Range Rover Sport vehicles. This new assembly undergoes quality control inspections to ensure durability and fitment accuracy. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship.