Dorman 742-122 Power Window Motor - Front Left, Rear Left or Rear Right

Reliable Window Motor Replacement for Select GM Vehicles

The Dorman 742-122 window motor is designed to restore smooth and efficient window operation for various Cadillac, Chevrolet, GMC, and Pontiac models. This plug-in window lift motor includes the window lift gear but does not come with a regulator or mounting hardware, making it ideal for users who need a direct motor replacement.

Key Features of the Dorman 742-122 Window Motor

• Compatible with multiple GM vehicles including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and Pontiac Grand Prix
• Plug-in design for straightforward electrical connection
• Includes window lift gear for seamless integration
• Does not include regulator or mounting hardware, allowing for flexible installation
• Hardwired for reliable power delivery without embedded logic controls

Detailed Product Description

The Dorman 742-122 window motor is engineered to meet the specific requirements of select GM trucks and SUVs such as the Chevrolet Avalanche 1500 and 2500, GMC Sierra 1500 HD and 2500 HD, Cadillac Escalade series, and Pontiac Grand Prix. This motor operates via a plug-in connection, simplifying installation and ensuring compatibility with factory wiring harnesses. While the window lift gear is included, the absence of a regulator and mounting hardware means this part is best suited for users replacing a faulty motor while retaining existing components. The motor does not feature embedded logic controls, providing a straightforward mechanical operation consistent with original equipment.

Common Applications and Issues Addressed

• Restores power window function on Chevrolet Silverado 1500 and GMC Sierra 2500 HD models
• Replaces malfunctioning window motors in Cadillac Escalade and Escalade EXT vehicles
• Solves slow or non-responsive window movement in Pontiac Grand Prix
• Addresses window lift gear wear or failure in GMC Yukon XL 1500 and 2500
• Eliminates electrical connection issues with plug-in design for Chevrolet Suburban 1500 and 2500

Installation Notes and Tips

• Verify compatibility with your specific make and model before installation
• Retain existing regulator and mounting hardware as they are not included
• Ensure the plug-in connector matches the vehicle’s wiring harness for proper fit
• Disconnect the vehicle battery before installation to prevent electrical shorts
• Test window operation after installation to confirm proper motor function

Quality Assurance and Warranty Information

Dorman window motors are manufactured to meet or exceed OEM standards for durability and performance. The 742-122 part number undergoes rigorous quality control to ensure reliable operation in demanding automotive environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.