Dorman 920-055 Door Window Switch - Front Left

Dorman 920-055 Door Window Switch

Dorman 920-055 is a front left door window switch built to match the fit, function, and performance of the factory unit on specified vehicles. It is a direct replacement for restoring window control when the original switch is missing, broken, or has failed from internal electrical or mechanical damage.

• Direct replacement door window switch for the front left position
• Black housing with illuminated switch design
• Blue-green illumination color
• Plastic housing construction
• Female connector with blade pin terminals
• Designed to restore original equipment-style window switch operation
• Fits Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Avalanche, Suburban, Tahoe, and GMC Sierra and Yukon applications listed below

Fitment Details

• Fits 2007-2014 Chevrolet Silverado 2500 HD, front left
• Fits 2007-2014 Chevrolet Silverado 3500 HD, front left
• Fits 2007-2014 Chevrolet Suburban 1500, front left
• Fits 2007-2014 Chevrolet Tahoe, front left
• Fits 2007-2014 GMC Sierra 2500 HD, front left
• Fits 2007-2014 GMC Sierra 3500 HD, front left
• Fits 2007-2014 GMC Yukon, front left
• Fits 2007-2014 GMC Yukon XL 1500, front left
• Fits 2007-2013 Chevrolet Avalanche, front left
• Fits 2007-2013 Chevrolet Silverado 1500, front left
• Fits 2007-2013 Chevrolet Suburban 2500, front left
• Fits 2007-2013 GMC Sierra 1500, front left
• Fits 2007-2013 GMC Yukon XL 2500, front left
• Fits 2009-2010 GMC Sierra, front left

Detailed Description

This Dorman window switch is engineered for vehicles that use the front left driver-side control location and is shaped to match the original switch opening and electrical interface. The black finish and illuminated design help maintain a factory-style look, while the blade pin terminal layout and female connector support proper electrical connection in the specified Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Avalanche, and Suburban applications. Part number 920-055 is a practical OE-style replacement when the original switch no longer responds correctly.

This part cross-references DWS177 and WSE1027 for the same application.

Common Problems It Can Solve

• Nonresponsive power window switch
• Intermittent window operation from worn internal contacts
• Broken or missing driver-side switch assembly
• Illumination failure in the switch panel
• Electrical issues caused by damaged switch terminals or housing

Installation Notes and Tips

Verify the vehicle’s front left switch location, connector style, and terminal layout before installation. Compare the original switch to Dorman 920-055 to confirm housing shape, dimensions, and illumination style. This unit does not include an instruction manual or wiring harness, so reuse the existing vehicle wiring and follow the service procedure for the specific Chevrolet or GMC model.

Quality Assurance

Dorman designs this switch to match factory fit, function, and performance standards for the listed applications. It is intended as a direct replacement for restoring original equipment-style window control on compatible Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Avalanche, and Suburban vehicles.