Dorman 740-555 Window Regulator - Front Right

Overview of Dorman 740-555 Window Regulator

The Dorman 740-555 window regulator is designed for electric window operation in select Chrysler and Dodge vehicles. This power window regulator is compatible with models such as the Chrysler 300M, Concorde, Intrepid, and LHS, providing reliable window movement without the motor included.

• Compatible with Chrysler 300M, Concorde, Intrepid, and LHS
• Electric window operation type
• Gear made of durable plastic
• Frame constructed from both metal and plastic components
• Bolt-on attachment type for secure installation
• Does not include motor or mounting hardware
• Package contains one power window regulator

Product Features and Specifications

The Dorman 740-555 window regulator features a plastic gear designed to engage smoothly with the window mechanism, ensuring consistent operation. The frame combines metal and plastic materials to balance strength and weight, supporting the window glass securely. This regulator is intended for electric window systems and requires a separate motor, as it is not included. The bolt-on attachment type allows for straightforward mounting using existing hardware, although mounting hardware is not supplied with the product. Installation instructions are not included, so familiarity with vehicle door components is recommended.

Compatible Vehicles and Applications

This window regulator is specifically engineered for use in Chrysler and Dodge vehicles, including the 300M, Concorde, Intrepid, and LHS models. It is suitable for owners seeking a replacement part for electric window regulators without the motor assembly. The part number 740-555 ensures compatibility and proper fitment for these vehicles, making it a practical choice for repairs or restoration projects.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Electric window stuck in one position
• Grinding or clicking noises during window operation
• Window regulator gear wear or damage
• Loose or unstable window glass movement

Installation Notes and Tips

Installation of the Dorman 740-555 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, reuse of original components is necessary. The bolt-on attachment type facilitates secure mounting, but care should be taken to align the regulator properly to avoid window misalignment. Professional installation or experience with vehicle door assemblies is recommended due to the absence of included instructions.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built with durable plastic gears and a metal/plastic frame to provide reliable service. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.