Aisin RPAF-003 Window Motor and Regulator Assembly - Rear Left

Aisin Rear Left Window Regulator with Motor

The Aisin RPAF-003 power window regulator with motor is a specific-fit replacement for the rear left window on select Subaru models. Built with steel and plastic components and a 12-volt plug-in motor, it is designed for direct replacement of the original window motor and regulator assembly.

Compatible with 2008-2014 Subaru Impreza, 2012-2014 Subaru WRX, and 2013-2014 Subaru WRX STI in the rear left position, this assembly is a practical choice for restoring normal rear window operation. The Aisin RPAF-003 is engineered to meet OE standards and validated through controlled testing for fit, form, and function.

Key Features

• Part number: RPAF-003
• Power window regulator and motor assembly
• Specific fit for the rear left door/window position
• 12-volt electrical design with 2-wire, 2-terminal plug-in connection
• Steel frame with steel and plastic construction
• Bolt-on mounting and bolt attachment type
• Regulator included with motor included
• Wiring harness included and installation instructions included
• Standard replacement grade

Product Details

Aisin’s Power Window Regulator w/ Motor line focuses on OE-style replacement assemblies built for direct fitment and consistent operation. The RPAF-003 follows that approach with a vehicle-specific design for the rear left side, making it suitable for Subaru Impreza, Subaru WRX, and Subaru WRX STI applications listed above. This part cross-references Dorman - OE Solutions 751-751 for the same application.

Common Problems This Assembly Can Address

• Rear window will not move up or down
• Window motor runs but the glass does not travel correctly
• Slow, uneven, or noisy rear window operation
• Broken regulator components inside the door
• Electrical connection issues at the window motor assembly

Installation Notes

Use the included installation instructions and verify the rear left position before installation. This assembly uses a bolt-on mounting method with a plug-in electrical connection, so matching the connector style, terminal count, and vehicle application is important before beginning the repair. Confirm door trim access and glass alignment during installation.

Quality Assurance

Aisin manufactures this assembly to meet OE standards and applies strict quality control during production. The design is re-engineered to improve original equipment concepts and is tested under varied environmental conditions to verify fit, form, and function.