ACI 84002 Window Regulator - Front Left

Manual Window Regulator for Front Left Applications

ACI 84002 is a new manual window regulator for the front left door. It uses a hardened steel gear and is built to meet or exceed OEM requirements for consistent window movement in classic Ford and Mercury applications.

Compatible with 1968 Ford Mustang and 1968 Mercury Cougar, front left, this ACI Window Regulator is a direct-fit manual replacement for vehicles with a short shaft setup. Part number 84002 is also referenced by 11R743 and 752114 for the same application.

Key Features

• Manual window regulator for front left door use
• Hardened steel gear for durable gear engagement
• New construction
• Meets or exceeds OEM specifications
• Motor not included
• Mounting hardware not included
• Brand line: ACI Window Regulator

Detailed Description

ACI 84002 is a body and door replacement part engineered for manual window operation. The hardened steel gear supports smooth crank action and dependable window travel, while the OE-level specification helps maintain proper fit and function in the door assembly. This part number is a strong match for owners restoring or repairing a 1968 Ford Mustang or 1968 Mercury Cougar with a front left manual short shaft window regulator.

Use ACI 84002 when replacing a worn or damaged regulator in a classic Mustang or Cougar door. The manual design keeps the original-style operation intact, making it suitable for restoration work and functional repairs where the factory hand-crank setup is retained.

Common Problems This Part Can Address

• Window will not raise or lower smoothly
• Crank turns but the glass does not move correctly
• Binding, slipping, or uneven window travel
• Worn gear teeth in the regulator mechanism
• Failure of the original front left manual regulator

Installation Notes and Tips

Verify front left fitment and short shaft configuration before installation. Transfer any reusable door components as needed and inspect the window tracks, rollers, and guides for wear before installing the new regulator. Because mounting hardware is not included, confirm that all required fasteners are on hand prior to service.

Quality Assurance

ACI 84002 is a new replacement window regulator built to meet or exceed OEM standards for the listed applications. It is intended for direct replacement in 1968 Ford Mustang and 1968 Mercury Cougar front left manual window systems.