ACI 380042 Window Regulator - Rear Left

Rear Left Power Window Regulator for Mitsubishi Lancer

Restore smooth rear window movement with this ACI Window Regulator 380042. This new power window regulator is built for the rear left position and is made to meet or exceed OEM requirements for proper fit and function on the 2008-2014 Mitsubishi Lancer.

Key Features

• Brand: ACI Window Regulator
• Part number: 380042
• Rear left mounting position
• Power window operation type
• New replacement part
• Motor not included
• Mounting hardware not included
• Meets or exceeds OEM specifications

Product Details

ACI 380042 is a power window regulator for the rear left door on the 2008-2014 Mitsubishi Lancer. As part of ACI’s Window Regulator line, it is engineered as a direct replacement for the original regulator assembly, with fitment focused on proper window travel and consistent operation. This part cross-references WAI WPR5565LB for the same application.

Use ACI 380042 when servicing a Mitsubishi Lancer rear door window that needs a replacement regulator with OE-style fitment. The part number 380042 is also referenced by 5743A065, 752782, 6657842, and D380042.

Common Repair Symptoms

• Rear window will not move up or down
• Window moves slowly or binds in the door
• Window drops out of alignment
• Grinding or clicking from the door during operation
• Intermittent power window response at the rear left door

Installation Notes

Fits 2008-2014 Mitsubishi Lancer, rear left. Verify the regulator style, mounting points, and door configuration before installation. Transfer any required components from the original assembly if needed, since the motor is not included and mounting hardware is not included.

Quality Assurance

This ACI window regulator is new and meets or exceeds OEM requirements for fit and function. It is intended as a direct replacement for the rear left power window regulator on the Mitsubishi Lancer application listed above.