ACI 389558 Power Window Motor and Regulator Assembly - Front Left

Reliable Window Motor and Regulator Assembly for Mazda RX-8

The ACI Window Assembly 389558 is a new power window motor and regulator designed specifically for the Mazda RX-8. Engineered with a hardened steel gear, this assembly ensures durability and smooth operation for your vehicle's window system.

Key Features of ACI Window Assembly 389558

• New power window motor and regulator assembly
• Equipped with hardened steel gear for enhanced strength
• Express up and down functionality for quick window operation
• Meets or exceeds OEM specifications for reliable fit and performance
• Designed specifically for Mazda RX-8 models

Detailed Description of the Window Motor and Regulator Assembly

This ACI Window Assembly part number 389558 combines both the motor and regulator into a single unit, providing a direct replacement for the Mazda RX-8’s power window system. The hardened steel gear improves wear resistance, contributing to longer service life. The express up and down feature allows for faster window movement, enhancing convenience and safety. As a new component, it ensures consistent performance and reliability compared to remanufactured alternatives.

Common Issues Resolved by This Window Motor and Regulator Assembly

• Window failing to move or stuck in one position
• Slow or inconsistent window operation
• Grinding or unusual noises during window movement
• Window not responding to switch commands
• Broken or worn window regulator components

Installation Notes and Tips

Installation of the ACI Window Assembly 389558 should be performed by a qualified technician familiar with Mazda RX-8 door components. Ensure the vehicle’s battery is disconnected before beginning to avoid electrical hazards. Proper alignment of the regulator and secure mounting of the motor assembly are critical for optimal window function. Test the express up and down feature after installation to confirm correct operation.

Quality Assurance and Warranty Information

The ACI Window Assembly line is designed to meet or exceed OEM standards, providing dependable quality for replacement window components. This new window motor and regulator assembly undergoes rigorous testing to ensure durability and performance. While specific warranty details are not provided here, ACI products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.