Dorman 752-140 Window Regulator - Front Left

Reliable Manual Window Regulator for Chevrolet and GMC Vehicles

The Dorman 752-140 manual window regulator is designed to restore smooth window operation in select Chevrolet and GMC models. Engineered with durable materials, this bolt-on regulator offers a straightforward replacement solution for manual window systems.

• Compatible with Chevrolet Blazer, C10 Suburban, C20 Suburban, Jimmy, K10 Suburban, 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 secure installation
• Includes one manual window regulator; mounting hardware and installation instructions not included

Product Details and Construction

The Dorman 752-140 window regulator features a combination of metal and plastic frame materials to balance strength and weight. The plastic gear ensures consistent manual operation without excessive wear. This part is designed specifically for manual window systems, meaning it does not include a motor or wiring components. The bolt-on attachment type allows for a secure fitment in the door assembly of compatible Chevrolet and GMC vehicles, including the Blazer and various Suburban and Jimmy models.

Common Applications and Problem Resolution

• Restores manual window functionality in Chevrolet Blazer and GMC Jimmy models
• Replaces worn or broken window regulators causing window slippage or jamming
• Addresses issues with manual window operation in C10, C20, K10, and K20 Suburban vehicles
• Eliminates rattling or loose window movement due to damaged regulator components
• Provides a cost-effective repair option for manual window systems without motor failure

Installation Notes and Tips

Installation of the Dorman 752-140 window regulator requires removal of the door panel and careful alignment of the regulator within the door frame. Since mounting hardware and installation instructions are not included, it is recommended to retain original hardware or source compatible bolts. Proper torque on the bolt-on attachments ensures secure fitment and prevents regulator movement. This part is intended for manual window systems only and is not compatible with power window setups.

Quality Assurance and Warranty Information

Dorman manufactures the 752-140 window regulator to meet or exceed OEM standards for fit, form, and function. The combination of metal and plastic materials is selected to provide durability and reliable manual window operation. While installation instructions and mounting hardware are not included, the part is backed by Dorman's quality control processes. Please consult Dorman's warranty policy for specific coverage details.