ACI 81901 Window Regulator - Front Left

Reliable Manual Window Regulator for Chevrolet and GMC Vehicles

The ACI Window Regulator part number 81901 is designed for manual window operation on the front left door. Engineered with a hardened steel gear, this new window regulator meets or exceeds OEM standards, ensuring dependable performance for a range of Chevrolet and GMC trucks and SUVs.

• Compatible with Chevrolet and GMC models including Blazer, C10, K5 Blazer, Jimmy, and various Suburban and pickup variants
• Front left mounting position for precise fitment
• Manual window operation type without motor included
• Constructed with hardened steel gear for durability
• Mounting hardware 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 reliable manual window regulators designed to restore proper window function. This product line emphasizes quality materials such as hardened steel gears and precise fitment to ensure smooth window operation. The 81901 model is part of this line, tailored specifically for front left door applications on select Chevrolet and GMC trucks and SUVs.

Product Details and Compatibility

This manual window regulator is engineered for front left door installation and is compatible with a wide range of Chevrolet and GMC vehicles, including Blazer, C10, C15, C20, C30, Jimmy, K5 Blazer, K10, K20, K30, and their Suburban and pickup variants. The part number 81901 is a new replacement regulator featuring a hardened steel gear that provides long-lasting durability and smooth manual window operation. Note that this regulator does not include a motor or mounting hardware, so those components must be sourced separately if needed.

Common Issues Addressed by This Window Regulator

• Manual window stuck or difficult to operate on front left door
• Worn or damaged window regulator gear causing window misalignment
• Window falling inside the door panel due to regulator failure
• Excessive window play or rattling during vehicle motion
• Restoring proper manual window function on Chevrolet and GMC trucks and SUVs

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC model before installation
• Mounting hardware is not included; retain original hardware or purchase separately
• Carefully remove the door panel to access the window regulator assembly
• Follow vehicle-specific service manual instructions for safe and proper installation
• Test window operation manually before reassembling the door panel

Quality Assurance and Warranty

The ACI Window Regulator 81901 is a new replacement part that meets or exceeds OEM quality standards. Manufactured with hardened steel gears, it is designed for durability and reliable manual window operation. While specific warranty details are not provided, ACI parts typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the parts provider at the time of purchase.