Dorman 742-587 Window Motor - Rear Left

Dorman 742-587 Rear Left Window Motor

This Dorman window motor is a direct-fit replacement for the rear left power window on select Lincoln MKS models. Built to match original fit and performance, it is a practical solution when the factory lift motor slows down, stalls, or stops working.

• Fits 2009-2016 Lincoln MKS, rear left
• Plug-in electrical connection for straightforward replacement
• Anti-pinch motor design for added window safety function
• Express up/down operation supported
• Window lift gear included
• Window lift motor only; regulator not included
• Mounting hardware not included
• Wiring harness not included

Fitment and Application

Compatible with 2009-2016 Lincoln MKS rear left window applications, this Dorman 742-587 is engineered for the specific vehicle years and position listed. It is a focused replacement for drivers searching for a rear left window motor for Lincoln MKS 2009-2016 or a Dorman 742-587 power window motor for the same application.

This part cross-references OE-style part numbers 8A5Z5423395A and 423151 for the same application.

What It Helps Fix

• Rear window that will not move up or down
• Slow or weak window movement
• Motor noise without glass movement
• Intermittent window operation
• Failure of the rear left power window lift motor

Installation Notes

Verify the rear left position and plug-in connector style before installation. Transfer or reuse any required regulator components if applicable, since the regulator is not included. Confirm the window glass moves freely and inspect the switch, fuse, and wiring before replacing the motor.

Quality Assurance

Dorman engineers this replacement motor to match the fit and performance of the original unit for the listed Lincoln MKS applications. The anti-pinch feature and express up/down support help maintain the original window system function.