TYC 660739 Window Motor and Regulator Assembly - Front Left

Front Left Window Motor and Regulator Assembly

Restore smooth power window operation with this TYC window motor and regulator assembly for the front left door. Built for direct replacement use on select Toyota Sequoia and Toyota Tundra applications, it addresses common failures that can leave the window slow, noisy, or stuck.

• Front left mounting position for the driver-side front door
• Direct-fit replacement for select Toyota Sequoia and Toyota Tundra models
• Supports power window operation on listed applications
• Cross-reference part numbers include Dorman OE Solutions 748-226
• Part number 660739 for ordering and fitment verification

Detailed Fitment and Function

TYC 660739 is a front left window motor and regulator assembly engineered for 2008-2022 Toyota Sequoia and 2007-2021 Toyota Tundra with power windows. It replaces the motor and regulator assembly at the front left position, helping restore consistent glass movement when the original unit has worn gears, a weak motor, or binding regulator components. This part cross-references Dorman OE Solutions 748-226 for the same application.

Use this assembly when the window no longer travels correctly, moves unevenly, or stops partway through operation. The TYC 660739 listing also aligns with OE-style interchange references 69802-0C030 and 85720-AE010, plus Partslink TO1350208, making it easier to confirm the correct replacement for Toyota Sequoia and Toyota Tundra front left applications.

Common Problems This Part Can Address

• Window stuck in the open or closed position
• Slow or intermittent front left window movement
• Grinding, clicking, or binding during operation
• Window dropping out of alignment
• Failure of the power window motor or regulator assembly

Installation Notes and Tips

Fits 2008-2022 Toyota Sequoia, front left. Fits 2007-2021 Toyota Tundra, front left, power windows. Confirm the vehicle’s door position and power window configuration before installation. Verify the OE number or interchange reference against the original unit to ensure the correct match for the front left door.

Quality Assurance

TYC replacement components are built for direct-fit service on listed applications and are identified here by part number 660739 for accurate catalog matching. Review the vehicle fitment details and interchange references before ordering to confirm application coverage.