Dorman 740-5509 Window Regulator - Left

Reliable Manual Window Regulator Replacement

The Dorman 740-5509 window regulator is designed for manual window operation, providing a durable and functional solution for vehicle door repairs. Engineered with a combination of metal and plastic frame materials, this bolt-on regulator offers a straightforward replacement option for compatible vehicles.

• Manual window operation type for precise control
• Durable plastic gear material for smooth movement
• Metal and plastic frame construction for strength and flexibility
• Bolt-on attachment type for secure installation
• Does not include motor or mounting hardware

Product Details and Specifications

The Dorman 740-5509 window regulator features a plastic gear mechanism that ensures consistent window movement without binding. Its frame is constructed from both metal and plastic components, balancing durability with weight considerations. This part is designed for manual window systems, meaning it does not include a motor or wiring, making it suitable for vehicles equipped with manual window cranks. The bolt-on attachment type simplifies installation by aligning with existing mounting points on the door. Note that mounting hardware and installation instructions are not included with this product.

Common Applications and Problem Resolution

• Replaces faulty or worn manual window regulators
• Resolves issues with window sticking or jamming
• Fixes windows that do not stay in position
• Addresses broken or stripped gear mechanisms
• Restores smooth manual window operation in vehicle doors

Installation Notes and Tips

Installation of the Dorman 740-5509 requires removal of the door panel and careful alignment of the regulator with the window glass and mounting points. Since mounting hardware is not included, retain original bolts or source compatible fasteners. This part is designed for bolt-on attachment, which facilitates a secure fit when properly aligned. Professional installation is recommended if unfamiliar with door panel disassembly or window regulator replacement procedures.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 740-5509 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer prior to installation.