Dorman 748-087 Power Window Motor and Regulator Assembly - Front Left

Reliable Window Motor and Regulator Assembly for Subaru Vehicles

The Dorman 748-087 window motor and regulator assembly is designed to restore smooth and efficient power window operation in select Subaru models. Engineered with a plastic gear and embedded micro-controlled logic, this assembly ensures precise control and reliable performance for your Subaru Crosstrek, Impreza, WRX, WRX STI, XV, and XV Crosstrek.

• Plastic gear material for durable and quiet operation
• Maximum width of 415 mm for proper fitment
• Bolt attachment type with 5 mounting holes for secure installation
• 6-wire plug-in connection with 6 terminals for easy electrical integration
• Anti-pinch motor feature for enhanced safety
• Express up and down functionality for faster window movement
• Includes regulator and motor assembly in one unit
• Micro-controlled embedded logic for precise window control

Product Details and Features

This Dorman window motor and regulator assembly (part number 748-087) is specifically designed for compatibility with Subaru Crosstrek, Impreza, WRX, WRX STI, XV, and XV Crosstrek models. The assembly features a plastic gear that balances durability with quiet operation. It mounts securely using a bolt attachment system with five mounting holes, ensuring a stable fit within the door frame. The plug-in wiring harness includes six wires and terminals, simplifying the electrical connection without the need for splicing. The built-in anti-pinch motor enhances safety by preventing window closure if an obstruction is detected. Additionally, the express up and down feature allows for quicker window movement, improving user convenience. Embedded micro-controlled logic provides smooth and accurate window positioning, reducing wear and tear on the mechanism.

Common Applications and Problem Resolution

• Restores power window function in Subaru Crosstrek and Impreza models
• Replaces faulty or worn window motors causing slow or non-responsive windows
• Fixes windows that fail to stop or reverse when encountering obstructions
• Addresses issues with noisy or grinding window operation
• Resolves problems with incomplete window travel or stuck windows

Installation Notes and Tips

Installation of the Dorman 748-087 window motor and regulator assembly requires removal of the door panel and disconnection of the existing window motor. The plug-in wiring harness allows for straightforward electrical connection without cutting wires. Ensure all five mounting bolts are securely tightened to prevent rattling or misalignment. Although installation instructions are not included, professional installation or reference to a vehicle-specific repair manual is recommended for proper alignment and calibration. Verify window operation after installation to confirm the anti-pinch feature and express up/down functions are working correctly.

Quality Assurance and Warranty

Dorman window motor and regulator assemblies are manufactured to meet or exceed OEM specifications for fit, form, and function. The 748-087 part undergoes quality control testing to ensure reliable performance in Subaru Crosstrek, Impreza, WRX, WRX STI, XV, and XV Crosstrek vehicles. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product packaging or Dorman’s official resources for exact warranty terms.