ACI 81977 Window Regulator - Front Left

Reliable Manual Window Regulator for Toyota 4Runner and Pickup

The ACI Window Regulator 81977 is designed to restore smooth manual window operation on the front left door of your Toyota 4Runner or Pickup. Engineered with durable materials, this new window regulator meets or exceeds OEM standards to ensure dependable performance.

• Compatible with Toyota 4Runner and Pickup models
• Front left mounting position
• Manual window operation type
• Constructed with hardened steel gear for durability
• Mounting hardware and motor not included
• New part that meets or exceeds OEM specifications

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on providing replacement window regulators that maintain factory-level quality and fitment. This product line includes manual and power window regulators designed to match original equipment specifications. The 81977 part is a manual type regulator specifically engineered for front left door applications on select Toyota models, ensuring reliable window movement and long-lasting service.

Product Details and Specifications

This manual window regulator features a hardened steel gear that enhances strength and wear resistance, contributing to consistent window operation. The part is designed for the front left door and does not include mounting hardware or a motor, making it suitable for vehicles with manual window systems. As a new component, it meets or exceeds OEM quality standards, providing a direct replacement for your Toyota 4Runner or Pickup.

Common Issues Addressed by This Window Regulator

• Window glass stuck or difficult to raise and lower manually
• Grinding or clicking noises when operating the window crank
• Window falling down inside the door panel
• Loose or wobbly window movement
• Broken or worn gear mechanism in the manual regulator

Installation Notes and Tips

Installation requires removal of the interior door panel to access the window regulator assembly. Since mounting hardware is not included, retain original fasteners or source compatible hardware separately. Ensure the window glass is properly aligned during installation to prevent binding. This part is intended for manual window systems and does not include a motor.

Quality Assurance and Warranty

The ACI Window Regulator 81977 is a new replacement part that meets or exceeds OEM specifications for fit, form, and function. It is manufactured with hardened steel gears to provide durability and reliable operation. Please refer to the manufacturer's warranty policy for specific coverage details.