ACI 389344 Power Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for Lexus and Toyota

The ACI Window Assembly part number 389344 is a new power window motor and regulator designed specifically for Lexus Land Cruiser and Toyota LX450 models. Engineered to meet or exceed OEM standards, this assembly ensures consistent window operation without express up or down functionality.

Key Features of ACI Window Motor and Regulator Assembly 389344

• Includes both motor and regulator in one assembly for streamlined replacement
• Equipped with a hardened steel gear for enhanced durability and longevity
• Power type window motor designed for smooth and reliable operation
• New component, not remanufactured, ensuring original performance
• Meets or exceeds OEM specifications for fit and function
• Compatible with Lexus Land Cruiser and Toyota LX450 models

Detailed Description of the ACI Window Assembly

This window motor and regulator assembly from ACI is part of the Window Assembly product line, which focuses on providing complete window system components for various vehicle makes and models. The assembly combines a power window motor with a regulator mechanism, featuring a hardened steel gear that offers improved resistance to wear and mechanical stress. Designed as a direct replacement for the original equipment, part number 389344 supports reliable window movement without express up or down features, maintaining the intended operation of your Lexus Land Cruiser or Toyota LX450.

Common Issues Addressed by This Window Motor and Regulator Assembly

• Window glass failing to move up or down smoothly
• Intermittent or non-functioning power window operation
• Grinding or unusual noises from worn gears in the window mechanism
• Window regulator failure causing glass misalignment or jamming
• Complete window motor failure requiring full assembly replacement

Installation Notes and Tips

• Ensure vehicle battery is disconnected before beginning installation to prevent electrical hazards
• Carefully remove door panel to access the existing window motor and regulator assembly
• Compare the new ACI part number 389344 with the original to confirm compatibility
• Handle the window glass carefully to avoid damage during removal and installation
• Test window operation before reassembling the door panel to verify proper installation

Quality Assurance and Warranty Information

The ACI Window Assembly line, including part number 389344, is manufactured to meet or exceed OEM quality standards, ensuring reliable fit and function for Lexus Land Cruiser and Toyota LX450 vehicles. This new window motor and regulator assembly undergoes quality control inspections to maintain performance consistency. Warranty coverage details should be confirmed with the supplier or manufacturer.