ACI 384334 Window Regulator - Rear Left

Reliable Power Window Regulator for Rear Left Door

The ACI Window Regulator 384334 is designed to restore smooth power window operation for your Ford, Lincoln, or Mercury vehicle. Specifically engineered for the rear left door, this new window regulator meets or exceeds OEM standards to ensure dependable performance.

Key Features of ACI Window Regulator 384334

• Gear Material: Hardened steel gear for durability and long service life
• Mounting Position: Rear left door application
• Window Operation Type: Power window regulator (motor not included)
• New part, not remanufactured
• Meets or exceeds original equipment manufacturer (OEM) specifications
• Compatible with Ford Aviator, Explorer, and Mercury Mountaineer models

Detailed Description of the Window Regulator

This ACI Window Regulator from the Window Regulator product line is a direct replacement part designed to restore proper window function in your vehicle. The hardened steel gear construction provides enhanced strength and resistance to wear, which is critical for the smooth and reliable movement of power windows. Although the motor is not included, this regulator is compatible with existing power window motors in the rear left door assembly. The part number 384334 ensures precise fitment and compatibility with select Ford, Lincoln, and Mercury models, including the Aviator, Explorer, and Mountaineer.

Common Issues Resolved by This Window Regulator

• Power window stuck or failing to move up or down
• Grinding or unusual noises when operating the rear left window
• Window falling inside the door or not staying in position
• Intermittent window operation or slow movement
• Broken or worn window regulator gear components

Installation Notes and Tips

• Ensure the vehicle is compatible: Ford Aviator, Explorer, or Mercury Mountaineer rear left door
• Disconnect the battery before beginning installation to avoid electrical hazards
• Remove the door panel carefully to access the window regulator assembly
• Verify the motor compatibility since this part does not include a motor
• Test window operation after installation before reassembling the door panel

Quality Assurance and Warranty

The ACI Window Regulator 384334 is a new, high-quality replacement part that meets or exceeds OEM standards for fit, form, and function. Manufactured with hardened steel gears, it is built to provide reliable performance and durability. This part is backed by ACI's quality assurance protocols to ensure consistent manufacturing standards. Please refer to ACI's warranty policy for specific coverage details.