ACI 81752 Window Regulator - Front Left

Reliable Power Window Regulator for Mercedes-Benz Models

The ACI Window Regulator 81752 is designed to restore smooth power window operation on select Mercedes-Benz vehicles. Engineered for the front left door, this new window regulator ensures precise fitment and dependable performance for models including the E55 AMG, E300, E320, E420, and E430.

• Compatible with Mercedes-Benz E55 AMG, E300, E320, E420, and E430 front left doors
• Power window regulator type with hardened steel gear for durability
• New part meeting or exceeding OEM standards
• Mounting hardware and motor not included
• Part number 81752 for accurate identification

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on delivering reliable window control components that meet or exceed original equipment manufacturer specifications. This product line emphasizes durability and precise fitment, using hardened steel gears to ensure long-lasting operation. The 81752 part is a new, power window regulator designed specifically for the front left door of select Mercedes-Benz models, providing a direct replacement solution.

Product Details and Specifications

This power window regulator features a hardened steel gear that enhances strength and wear resistance, contributing to consistent window movement. Designed exclusively for the front left mounting position, it is compatible with various Mercedes-Benz E-Class models such as the E55 AMG, E300, E320, E420, and E430. The part does not include mounting hardware or a motor, so these components must be sourced separately if needed. As a new part, it meets or exceeds OEM quality standards, ensuring reliable performance and fitment.

Common Issues Addressed by This Window Regulator

• Power window failing to move or moving intermittently on the front left door
• Grinding or unusual noises during window operation due to worn gears
• Window stuck in the up or down position
• Slow or uneven window movement
• Replacement needed after motor removal or regulator damage

Installation Notes and Tips

• Verify the mounting position as front left before installation
• Mounting hardware and motor are not included; reuse existing parts or purchase separately
• Carefully remove the door panel to access the regulator assembly
• Ensure proper alignment of the regulator to avoid window binding
• Test window operation before reassembling the door panel

Quality Assurance and Warranty

The ACI Window Regulator 81752 is a new replacement part that meets or exceeds OEM specifications for fit and function. Manufactured with hardened steel gears, it is built for durability and consistent performance. While specific warranty details are not provided, ACI parts typically come with a limited warranty covering defects in materials and workmanship.