Dorman 749-503 Window Regulator - Front Right

Reliable Window Regulator for Toyota Tundra

The Dorman 749-503 window regulator is designed specifically for Toyota Tundra models requiring an electric window operation. This power regulator offers a bolt-on attachment type and features a combination of metal and plastic frame materials for durability and smooth function.

Key Features of Dorman 749-503 Window Regulator

• Compatible with Toyota Tundra electric window systems
• Durable metal and plastic frame construction
• Plastic gear material for quiet and efficient operation
• Bolt-on attachment type for straightforward installation
• Does not include motor or mounting hardware
• Package contains one power window regulator unit

Detailed Product Description

The Dorman 749-503 window regulator is engineered to restore proper window function in Toyota Tundra vehicles equipped with electric window systems. Its frame combines metal and plastic components to balance strength and weight, while the plastic gear material helps reduce noise during operation. This regulator is designed for bolt-on installation, ensuring a secure fit without modification. Note that this part does not include a motor or mounting hardware, so those components must be sourced separately if needed. The product is supplied as a single power regulator unit, intended for replacement of a faulty or worn window regulator assembly.

Common Applications and Issues Addressed

• Fixes windows that fail to move up or down smoothly
• Replaces broken or stripped window regulator gears
• Resolves window alignment problems in Toyota Tundra electric systems
• Addresses rattling or noisy window operation due to worn parts
• Restores proper window function after regulator failure

Installation Notes and Tips

Installation requires removal of the door panel and careful handling of the window glass. Since mounting hardware is not included, retain original bolts or purchase compatible fasteners separately. The bolt-on attachment type simplifies alignment, but professional installation is recommended for best results. Installation instructions are not included with this part.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details are not provided with this part, Dorman typically offers limited warranties covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer prior to installation.