Dorman 777-302 Window Regulator

Reliable Rear Window Regulator for Chevrolet and GMC Trucks

The Dorman 777-302 window regulator is designed specifically for rear door applications on select Chevrolet and GMC trucks. Engineered with durable plastic gears and housing, this electric window regulator ensures smooth and consistent window operation for your vehicle.

• Compatible with Chevrolet Silverado 1500, 1500 LD, 2500, 2500 HD, 3500, and 3500 HD models
• Fits GMC Sierra 1500, 1500 Limited, 2500 HD, 3500 HD, and Cheyenne trucks
• Rear mounting position with clip-in attachment type for secure installation
• Plastic gear and housing materials for corrosion resistance and lightweight design
• Steel cable construction for reliable window movement
• Electric window operation type, regulator only (motor not included)

Durable Construction and Precise Fitment

The Dorman 777-302 window regulator features a plastic frame and housing combined with a steel cable system, providing a balance of strength and corrosion resistance. The gear mechanism includes 12 teeth made from plastic, designed to mesh smoothly for consistent window movement. This part is intended for the rear doors of Chevrolet Silverado and GMC Sierra trucks, ensuring a precise fit and proper function. The clip-in attachment type allows for straightforward mounting without the need for additional hardware.

Common Applications and Problem Resolution

• Restores electric window functionality on rear doors of Chevrolet Silverado and GMC Sierra trucks
• Replaces worn or broken window regulators causing window sticking or failure to move
• Addresses issues with noisy or jerky window operation due to damaged gears or cables
• Solves problems related to window misalignment or inability to stay in position
• Provides a cost-effective solution for maintaining vehicle window integrity

Installation Notes and Tips

This window regulator is designed for rear door installation and requires removal of the door panel for access. Since mounting hardware is not included, retain original clips and fasteners or source replacements as needed. The part does not come with installation instructions, so consulting a repair manual or professional guidance is recommended for proper installation. Ensure electrical connections are secure for the electric window operation to function correctly.

Quality Assurance and Warranty Information

Dorman manufactures this window regulator to meet or exceed OEM standards for fit, form, and function. The use of plastic gears and housing combined with steel cables provides durability suitable for daily vehicle use. While specific warranty details are not provided, Dorman parts typically come with a limited warranty covering defects in material and workmanship. Verify warranty terms with the supplier or manufacturer prior to installation.