ACI 84866 Window Regulator - Front Left

Front Left Power Window Regulator for Altima

Restore smooth power window movement with this ACI Window Regulator 84866 for the front left door. It is a new power window regulator built to meet or exceed OEM requirements for proper fit and function on select Nissan Altima models.

Compatible with 2007-2010 Nissan Altima front left applications, this ACI 84866 window regulator is a direct-fit replacement for the driver-side front door window mechanism. The ACI Window Regulator line focuses on OE-style replacement parts for body and door repair work, making it a practical choice when the original regulator is worn, noisy, or no longer moving the glass correctly.

Key Features

• Fits 2007-2010 Nissan Altima, front left
• Power window regulator for electric window operation
• New replacement part
• Meets or exceeds OEM requirements
• Motor not included
• Mounting hardware not included
• Part number: 84866

Detailed Description

This ACI 84866 power window regulator is engineered for the front left position on the 2007-2010 Nissan Altima. It is intended for vehicles with power window operation and is supplied as a new regulator assembly without the motor. If you are replacing a failed regulator on a Nissan Altima, this part provides the correct body-and-door fitment for the specified application.

Cross-reference part numbers for this application include 80721JA000 and 749528. The ACI 84866 is a direct replacement option for front left window regulator service on the Nissan Altima platform.

Common Problems This Part Can Address

• Window glass that will not raise or lower properly
• Grinding, binding, or slipping during window movement
• Broken regulator cables or worn internal components
• Intermittent power window operation at the front left door
• Window dropping into the door after regulator failure

Installation Notes and Tips

Verify the vehicle year, make, model, and front left door position before installation. Transfer or reuse the window motor if the original motor is serviceable, since the motor is not included. Inspect the glass guides, clips, and door hardware during service to confirm the new regulator operates smoothly after installation.

Quality Assurance

This ACI Window Regulator is a new part built to meet or exceed OEM specifications for fit and function. It is intended for direct replacement use on the listed Nissan Altima applications.