Dorman 749-200 Window Regulator - Front Left

Overview of Dorman 749-200 Window Regulator for Cadillac STS

The Dorman 749-200 window regulator is designed specifically for Cadillac STS models, providing reliable electric window operation. This power window regulator features a combination of plastic and metal components engineered for durability and smooth functionality.

• Compatible with Cadillac STS vehicles
• Electric window operation type
• Gear made of durable plastic
• Frame constructed from both metal and plastic materials
• Bolt-on attachment type for secure installation
• Does not include motor or mounting hardware
• Package contains one power window regulator

Product Details and Specifications

The Dorman 749-200 window regulator is an electric type designed to replace the factory regulator in Cadillac STS models. Its gear is made from plastic to reduce noise and wear, while the frame combines metal and plastic for strength and corrosion resistance. The bolt-on attachment type ensures a secure fit without modification. This part does not include a motor or mounting hardware, so those components must be sourced separately if needed. Installation instructions are not included, so professional installation or reference to a service manual is recommended.

Common Applications and Problem Resolution

This window regulator is used to restore proper window function in Cadillac STS vehicles experiencing issues such as:

• Window glass failing to move up or down smoothly
• Window becoming stuck or jammed in the door frame
• Excessive noise or grinding during window operation
• Broken or worn regulator gears causing window misalignment
• Non-responsive electric window controls due to regulator failure

Installation Notes and Tips

• Ensure compatibility with your specific Cadillac STS model year before installation
• Since mounting hardware and motor are not included, verify existing components are in good condition or purchase replacements
• Professional installation is recommended due to the absence of installation instructions
• Disconnect the vehicle battery before beginning to avoid electrical hazards
• Test window operation after installation to confirm proper function

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 749-200 window regulator undergoes quality checks to ensure durability and reliable performance in Cadillac STS vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.