ACI 389021 Power Window Motor and Regulator Assembly - Rear Right

Reliable Window Motor and Regulator Assembly for Mazda MPV

The ACI Window Assembly 389021 is a new power window motor and regulator designed specifically for Mazda MPV models. Engineered with a hardened steel gear, this assembly ensures durability and smooth operation for your vehicle's power windows.

• New power window motor and regulator assembly
• Hardened steel gear for enhanced strength and longevity
• Meets or exceeds OEM specifications
• Compatible with Mazda MPV models
• Part number 389021 for precise fitment

Detailed Product Description

This ACI Window Assembly 389021 combines both the motor and regulator into a single unit, providing a direct replacement for the power window system in Mazda MPV vehicles. The hardened steel gear construction offers improved resistance to wear and tear, contributing to reliable window operation over time. Designed to meet or exceed original equipment manufacturer (OEM) standards, this new assembly ensures consistent performance and fitment without modification.

Compatible Applications and Common Issues Resolved

• Restores power window function on Mazda MPV models
• Eliminates window motor failure symptoms such as slow or non-moving windows
• Addresses regulator issues causing window misalignment or jamming
• Replaces worn or damaged window motor and regulator components
• Solves electrical problems related to power window operation

Installation Notes and Tips

Installation of the ACI Window Assembly 389021 should be performed by a qualified technician familiar with Mazda MPV 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 operation. Verify full window travel after installation to confirm correct fitment and function.

Quality Assurance and Warranty

The ACI Window Assembly 389021 is a new part that meets or exceeds OEM quality standards, providing reliable performance for Mazda MPV power window systems. Manufactured with durable materials such as hardened steel gears, this assembly is built to last. Warranty coverage details should be confirmed with the distributor or installer, as ACI parts typically include limited warranties against defects in materials and workmanship.

About the ACI Window Assembly Product Line

The ACI Window Assembly product line focuses on delivering complete window motor and regulator assemblies designed to restore power window functionality efficiently. This line emphasizes quality materials and OEM-level fitment, making it suitable for direct replacement in vehicles like the Mazda MPV. By integrating both motor and regulator components, the Window Assembly line simplifies repairs and reduces installation time.