Aisin RPAT-109 Window Motor and Regulator Assembly - Rear Left

Aisin Rear Left Window Regulator Assembly

The Aisin RPAT-109 power window regulator with motor is built for the rear left door on select Scion and Toyota models. It is engineered to OE standards and produced with controlled quality checks for fit, form, and function.

Compatible with 2004-2006 Scion xB, rear left; 2008-2015 Scion xB, rear left; 2009-2014 Toyota Matrix, rear left; and 2009-2013 Toyota Corolla, rear left.

Key Features

• Complete window regulator and motor assembly
• OE-style fit for rear left door applications
• Re-engineered to reflect original design requirements
• Built and tested under environmental conditions to verify operation
• Direct replacement part number: RPAT-109

Application Details

This Aisin power window regulator w/ motor is designed for rear left window service on the Scion xB, Toyota Matrix, and Toyota Corolla. The RPAT-109 is a practical replacement when the original window mechanism no longer raises or lowers the glass smoothly, or when the motor and regulator assembly has failed.

This part cross-references Dorman OE Solutions 752-330 for the same application.

Common Problems It Can Address

• Window glass that will not move up or down
• Slow, uneven, or noisy window operation
• Binding or slipping regulator movement
• Motor failure causing loss of power window function
• Rear left window stuck in one position

Installation Notes

Verify the rear left door application before installation and compare the connector, mounting points, and regulator layout to the original unit. Confirm vehicle fitment by year, make, and model before removing the door trim panel.

Quality Assurance

Aisin manufactures this assembly to OE standards and uses strict quality control checks to support consistent fit and operation. The RPAT-109 is re-engineered to reflect original equipment design requirements and tested under varied environmental conditions.