Dorman 740-957 Window Regulator - Right Quarter

Reliable Power Window Regulator for Ford Mustang Rear Left Door

The Dorman 740-957 power window regulator is designed specifically for the rear left door of Ford Mustang models. Engineered with durable materials and precise fitment, this electric window regulator ensures smooth and consistent window operation.

• Compatible with Ford Mustang rear left door window
• Electric window operation type for seamless control
• Durable metal housing and frame for long-lasting performance
• Plastic gear material designed for reliable gear engagement
• Bolt-on attachment type for secure mounting
• Maximum window width of 250 mm and lift height of 300 mm
• Mounting hardware included for straightforward installation

Durable Construction and Precise Fitment

The Dorman 740-957 window regulator features a metal housing and frame that provide structural strength and resistance to wear. The gear mechanism is made from plastic, balancing durability with smooth operation. Designed for the rear left mounting position, this regulator fits Ford Mustang vehicles requiring an electric window regulator replacement. The bolt-on attachment type ensures a secure fit, maintaining proper window alignment and function. With a maximum window width of 250 mm and lift height of 300 mm, this regulator accommodates the specific dimensions of the Mustang's rear left window.

Common Applications and Problem Resolution

• Replaces faulty or broken rear left window regulators on Ford Mustang models
• Restores smooth electric window operation when the window is stuck or slow
• Eliminates window rattling caused by worn or damaged regulator components
• Addresses issues with window alignment and uneven movement
• Provides a reliable solution for power window failure in the rear left door

Installation Notes and Tips

Installation of the Dorman 740-957 power window regulator requires removal of the interior door panel to access the mounting area. The bolt-on attachment type allows for a secure fit using the included mounting hardware. While installation instructions are not included, professional installation or reference to a vehicle-specific repair manual is recommended to ensure proper alignment and electrical connections. Verify the mounting position as rear left before installation to ensure compatibility.

Quality Assurance and Warranty

Dorman manufactures this window regulator to meet or exceed OEM standards for fit, form, and function. The combination of metal housing and frame with a plastic gear mechanism provides a balance of durability and smooth operation. This product includes a warranty that covers defects in materials and workmanship, providing confidence in its reliability for Ford Mustang rear left door window replacement needs.