ACI 81966 Window Regulator - Front Left

Manual Window Regulator for Dodge Trucks

Restore smooth manual window movement with this ACI Window Regulator, part number 81966. It is a new front left manual window regulator built to meet or exceed OEM requirements for the listed Dodge applications.

Key Features

• Brand: ACI Window Regulator
• Part number: 81966
• Front left mounting position
• Manual window operation type
• Motor not included
• Mounting hardware not included
• New replacement part
• Meets or exceeds OEM specifications

Product Details

ACI 81966 is a manual window regulator for classic Dodge body and door applications. It is engineered for direct replacement use in 1977-1978 Dodge D100, D150, D200, D300, Ramcharger, W150, W200, and W300 models, plus 1977 Dodge W100, front left. This window regulator is intended for manual crank systems and is listed for the front left position. The ACI Window Regulator line focuses on replacement components for door and glass operation, and this part follows that approach with a new, OEM-level design.

This part cross-references 749758 and 4082029 for the same application.

Common Repair Symptoms

• Window crank turns but the glass does not move
• Window binds, slips, or drops inside the door
• Slow or uneven manual window travel
• Broken regulator arms or worn internal gears
• Driver-side or front-left window operation failure on Dodge D100, D150, D200, D300, Ramcharger, W150, W200, W300, or W100 models

Installation Notes

Verify the vehicle uses a manual window system before ordering. Confirm front left door fitment against the original regulator design and compare the mounting points, glass attachment, and handle interface before installation. Because mounting hardware is not included, reuse or source the correct fasteners as needed. Inspect the window tracks, rollers, and door guides during replacement to help ensure smooth operation after installation.

Quality Assurance

ACI 81966 is a new replacement window regulator that meets or exceeds OEM specifications for the listed applications. It is built for direct-fit service on 1977-1978 Dodge truck and Ramcharger manual window systems, including front left use on the specified models.