Dorman 752-142 Window Regulator - Front Left

Reliable Manual Window Regulator for Chevrolet and GMC Vehicles

The Dorman 752-142 manual window regulator is designed to restore smooth window operation in select Chevrolet and GMC trucks and SUVs. Engineered with durable materials, this window regulator offers a bolt-on installation for a secure fit without the need for additional mounting hardware.

Key Features of the Dorman 752-142 Window Regulator

• Compatible with Chevrolet Blazer, GMC Jimmy, and Suburban models including C10, C20, K10, and K20 Suburban
• Manual window operation type without motor included
• Durable metal and plastic frame construction for reliable performance
• Plastic gear material designed for smooth gear engagement
• Bolt-on attachment type for straightforward installation
• Package includes one manual window regulator

Detailed Description of the Dorman 752-142 Window Regulator

This manual window regulator from Dorman is specifically engineered for Chevrolet and GMC vehicles such as the Blazer, Jimmy, and various Suburban models (C10, C20, K10, K20). The part number 752-142 features a combination of metal and plastic frame materials that balance strength and weight. The plastic gear material ensures consistent window movement without excessive wear. Designed as a bolt-on replacement, this regulator does not include mounting hardware or a motor, making it suitable for manual window systems. The absence of wiring simplifies the installation process and reduces potential electrical issues.

Common Issues Addressed by This Window Regulator

• Window glass that fails to move up or down smoothly
• Manual window crank that spins without engaging the window
• Worn or broken gears causing window operation failure
• Loose or rattling window glass due to faulty regulator frame
• Difficulty in maintaining window position when partially open

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC model before installation
• Use appropriate tools for bolt-on attachment to avoid damage
• Since mounting hardware is not included, retain original bolts or purchase replacements as needed
• Carefully remove the door panel to access the window regulator assembly
• Test window operation manually before reassembling the door panel

Quality Assurance and Warranty Information

Dorman manufactures the 752-142 window regulator to meet or exceed OEM standards for fit and function. While installation instructions are not included, the part is engineered for durability and reliable manual window operation. Please consult Dorman’s warranty policy for specific coverage details related to this part.