Dorman 742-392 Window Motor - Front Left

Dorman 742-392 Window Lift Motor

Dorman 742-392 is a plug-in window lift motor for the front left position on select Kia Optima models. It is precision-engineered to match the fit and performance of the original motor, making it a direct replacement for a worn or failed power window motor.

Compatible with 2011-2016 Kia Optima front left applications, including 2012-2015 models built in the U.S.A. with auto up and down, this window motor supports reliable glass movement and OE-style operation. The Dorman 742-392 part number is also referenced for related OE applications.

Key Features

• Plug-in electrical connection for straightforward replacement
• Window lift motor only; regulator not included
• Mounting hardware not included
• Wiring harness not included
• No micro-controlled embedded logic
• Window lift gear not included
• Built to match original fit and performance for specific Kia Optima applications

Detailed Description

This Dorman window motor is made for drivers replacing a failed front left power window motor on a Kia Optima. The Dorman 742-392 is engineered to align with the original motor’s mounting and electrical connection style, helping restore normal window operation without changing the regulator assembly. It is a practical OE-style replacement for 2011-2016 Kia Optima front left vehicles, including 2012-2015 U.S.-built models with auto up and down and 2016 and 2011 models marked FMVSS compliant.

This part cross-references OE numbers 824504C010 and 824577 for the same application.

What It Helps Fix

• Slow or weak window movement
• Window that stops partway up or down
• Motor noise with little or no glass movement
• Intermittent power window operation
• Failure of the front left power window motor

Installation Notes and Tips

• Verify the vehicle year, make, model, and front left position before ordering.
• Confirm the plug-in electrical connection matches the original unit.
• Reuse the existing regulator if it is in serviceable condition, since the regulator is not included.
• Inspect the window tracks, switches, and wiring before installation to avoid repeat failure.
• Check for the U.S.-built and auto up/down notes on 2012-2015 Kia Optima applications.

Quality Assurance

Dorman manufactures replacement parts to match original equipment fit and function for specific vehicle applications. This window lift motor is built for direct replacement use on confirmed Kia Optima fitments and follows the listed OE cross-reference numbers for application matching.