WAI WPR4738LB Window Regulator - Rear Left

Reliable Window Regulator for Mercedes-Benz E-Class Models

The WAI WPR4738LB window regulator is designed specifically for select Mercedes-Benz E-Class vehicles, including the E55 AMG, E300, E320, E420, and E430. This replacement part ensures smooth and consistent window operation, restoring functionality to your vehicle's door system.

Key Features of the WAI WPR4738LB Window Regulator

• Compatible with Mercedes-Benz E55 AMG, E300, E320, E420, and E430 models
• Durable construction for long-lasting performance
• Precision fit to OEM specifications for easy installation
• Designed to restore proper window movement and control
• Part number WPR4738LB for accurate identification

Detailed Description of the WAI Window Regulator

This WAI window regulator (part number WPR4738LB) is engineered to meet the exact requirements of Mercedes-Benz E-Class vehicles listed in the fitment. It replaces the original window regulator mechanism within the door assembly, enabling reliable up and down window movement. Manufactured with quality materials, this part maintains the integrity of your vehicle’s door system and helps prevent window misalignment or failure. The WPR4738LB is designed to fit seamlessly into the door frame, ensuring consistent operation without rattling or binding.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of window control
• Unusual noises during window operation
• Window glass becoming stuck or misaligned
• Wear or damage to the original regulator mechanism

Installation Notes and Tips

Installation of the WAI WPR4738LB window regulator requires removal of the door panel and careful handling of the window glass. It is recommended to disconnect the vehicle battery before beginning to avoid electrical issues. Align the regulator properly within the door frame to ensure smooth operation. Professional installation is advised if unfamiliar with door component repairs.

Quality Assurance and Warranty Information

WAI manufactures this window regulator to meet industry standards for durability and fitment. While specific warranty details are not provided, WAI products typically undergo quality checks to ensure reliable performance. Verify warranty terms with the supplier or manufacturer upon purchase.