Dorman 742-055 Window Motor - Front Right

Window Motor for Front Right Applications

Dorman 742-055 is a power window lift motor engineered to match the fit and performance of the original motor in specific vehicle applications. It is a plug-in replacement for the front right window motor on select Cadillac, Chevrolet, and GMC models, including Escalade, Tahoe, Yukon, and Suburban 3500 HD.

Use this Dorman window motor when the original unit no longer raises or lowers the glass smoothly. The 742-055 is built for direct replacement service and is intended for vehicles that use a plug-in motor connection without an integrated regulator or wiring harness.

Key Features

• Direct replacement window lift motor for specific front right applications
• Plug-in electrical connection for straightforward integration
• Precision-engineered to match original fit and performance
• Window lift motor only; regulator and gear are not included
• Designed for select 2015-2020 Cadillac Escalade and Escalade ESV, Chevrolet Tahoe and Suburban 3500 HD, and GMC Yukon and Yukon XL models
• Part number 742-055 for easy identification and ordering

Detailed Description

Dorman 742-055 is a replacement window motor made for the front right door on select full-size GM SUVs and related applications. It is built to mirror the original motor’s fit and operating characteristics, helping restore normal power window function without changing the regulator assembly. This part cross-references ACI 382413 for the same application. The part number 742-055 is also commonly referenced alongside 421122, 22921495, and WLM3067 in interchange listings.

Compatible With 2015-2020 Cadillac Escalade, front right; 2015-2020 Cadillac Escalade ESV, front right; 2015-2020 Chevrolet Tahoe, front right; 2015-2020 GMC Yukon, front right; 2015-2020 GMC Yukon XL, front right; and 2016-2019 Chevrolet Suburban 3500 HD, front right.

What It Helps Fix

• Window glass that will not move up or down
• Slow or inconsistent power window operation
• Motor noise without normal glass movement
• Intermittent front right window function
• Failure of the original lift motor due to wear

Installation Notes and Tips

Verify the vehicle’s front right door configuration and electrical connector style before installation. This replacement does not include the regulator, mounting hardware, wiring harness, or window lift gear, so reuse or source those components as needed. Confirm fitment by year, make, model, and position before ordering the 742-055.

Quality Assurance

Dorman designs replacement parts to match original equipment fit and performance for specific applications. The 742-055 is intended as a reliable service replacement for select Cadillac, Chevrolet, and GMC vehicles.