ACI 81666 Window Regulator - Front Left

ACI 81666 Front Left Power Window Regulator

Restore smooth power window operation with the ACI Window Regulator 81666 for the front left door. This new power window regulator is built with a hardened steel gear and meets or exceeds OEM requirements for fit and function on select Dodge Caliber applications.

Key Features

• Power window regulator for the front left position
• Hardened steel gear for durable gear engagement
• New replacement part that meets or exceeds OEM specifications
• Motor not included
• Brand line: ACI Window Regulator replacement for door glass service

Detailed Description

The ACI 81666 is a front left power window regulator engineered for 2007-2012 Dodge Caliber models. It is a direct-fit body and door component for restoring window travel when the original regulator has worn gears, damaged cables, or inconsistent movement. The hardened steel gear supports reliable operation in daily use, and the new construction helps return the window system to proper function. This part cross-references 749540 and 5179943AA for the same application.

What It Helps Fix

• Window glass that will not raise or lower properly
• Grinding or slipping from worn regulator gears
• Slow, uneven, or intermittent power window movement
• Window position loss caused by regulator failure
• Front left door window operation issues on Dodge Caliber models

Installation Notes and Tips

Fits 2007-2012 Dodge Caliber, front left. Verify door trim, regulator mounting points, and electrical connector condition before installation. Motor is not included, so reuse or replace the existing motor as needed. Confirm the window glass is seated correctly in the regulator tracks and test full up-and-down travel after installation.

Quality Assurance

ACI 81666 is a new replacement window regulator that meets or exceeds OEM specifications for the listed application. It is built for proper fit and function on 2007-2012 Dodge Caliber front left door service.