ACI 81584 Window Regulator - Front Left

Reliable Power Window Regulator for Lexus Vehicles

The ACI Window Regulator part number 81584 is designed specifically for the front left door of select Lexus models. Engineered to meet or exceed OEM standards, this power window regulator ensures smooth and consistent window operation for your Lexus ES300, RX330, RX350, or RX400h.

• Compatible with Lexus ES300, RX330, RX350, and RX400h front left doors
• Constructed with a hardened steel gear for durability
• Power window operation type for seamless control
• Mounting hardware and motor not included
• New, not remanufactured, for reliable performance

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on delivering replacement window regulators that align with original equipment specifications. This product line emphasizes durability and precise fitment, using hardened steel gears to provide long-lasting window operation. The 81584 model is part of this line, offering a direct replacement solution for power window systems in various Lexus models.

Detailed Product Description

This power window regulator is designed for the front left mounting position and features a hardened steel gear to withstand regular use and reduce wear. It is intended for power window systems and does not include the motor or mounting hardware, allowing for compatibility with existing components. The part number 81584 is a new unit that meets or exceeds OEM quality standards, ensuring reliable window movement and fitment for Lexus ES300, RX330, RX350, and RX400h vehicles.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of power window function on front left door
• Grinding or unusual noises during window operation
• Window stuck in one position due to worn or broken regulator gears
• Replacement needed after motor failure or regulator damage

Installation Notes and Tips

• Ensure compatibility with your Lexus model and front left door before installation
• Mounting hardware and motor are not included; reuse existing components or purchase separately
• Carefully follow vehicle-specific service manual instructions for removal and installation
• Test window operation before fully reassembling door panel
• Handle the regulator carefully to avoid damaging the hardened steel gear

Quality Assurance and Warranty

The ACI Window Regulator 81584 is a new replacement part that meets or exceeds OEM specifications for fit and function. While mounting hardware and motor are not included, the regulator itself is manufactured to provide consistent performance and durability. Please refer to the product packaging or manufacturer documentation for specific warranty details.