Dorman 740-5502 Manual Window Regulator

Dorman 740-5502 is a manual window regulator built for specific vehicle applications where the original regulator has worn, bound up, or stopped moving the glass correctly. It is precision-engineered and tested to match stock fit, function, and performance on the intended vehicles.

Key Features

• Manual window regulator for door glass operation
• Attachment type: bolt-on for straightforward mounting
• Metal frame construction for structural support
• Plastic gear material
• Motor not included
• Mounting hardware not included
• Designed as a direct replacement for OE-style service

Detailed Description

This Dorman window regulator, part number 740-5502, is engineered for exact fit and function in the specified application. It is a manual regulator with a metal frame and plastic gear assembly, built to restore controlled window movement when the original mechanism is damaged or no longer operates smoothly. This part cross-references OE numbers 384703 and 25191633 for the same application. If you are servicing a Chevrolet or GMC door window system, 740-5502 provides a replacement path that follows the original regulator layout and mounting style.

What It Helps Fix

• Window glass that will not raise or lower properly
• Binding, slipping, or uneven manual window movement
• Broken or stripped regulator gear components
• Excessive play in the door window mechanism
• Noise or resistance during hand-crank operation

Installation Notes and Tips

Verify the vehicles original regulator design before installation and compare the mounting points, gear style, and manual operation layout. This part uses a bolt-on attachment type and does not include installation instructions, so factory service information is recommended. Confirm door trim removal procedures and glass alignment before final assembly. Fits Chevrolet and GMC applications that use this regulator design, including models cross-referenced to 384703 and 25191633.

Quality Assurance

Dorman states this replacement regulator is extensively tested to match stock fit, function, and performance on the listed vehicle applications. Part number 740-5502 is built to OE-style specifications for service replacement use.