Dorman 751-858 Window Motor and Regulator Assembly - Rear Right

Reliable Window Motor and Regulator Assembly for Mazda CX-9

The Dorman 751-858 window motor and regulator assembly is designed to restore smooth window operation in your Mazda CX-9. Engineered with durable metal gears and a bolt attachment type, this assembly provides a dependable replacement for your vehicle's power window system.

• Durable metal gear construction for long-lasting performance
• Bolt attachment type ensures secure mounting
• Includes both power window motor and regulator assembly
• Two electrical terminals for proper connection
• Compatible with Mazda CX-9 models
• Non-express up or down window operation
• Regulator included for complete window functionality

Product Details and Features

The Dorman 751-858 window motor and regulator assembly is specifically designed for the Mazda CX-9, providing a direct replacement for the factory unit. The metal gear material enhances durability and resistance to wear, while the bolt attachment type allows for a secure and stable installation. This assembly includes the regulator, eliminating the need to source separate components. It features two electrical terminals for connection but does not include a wiring harness or installation instructions. The motor operates without express up or down functionality and does not have anti-pinch or embedded logic controls.

Common Applications and Problem Resolution

• Fixes power window failure due to motor burnout or gear damage
• Resolves window regulator issues causing window misalignment or jamming
• Eliminates slow or non-responsive window movement in Mazda CX-9
• Addresses rattling or noise from worn window components
• Restores proper window operation after electrical terminal corrosion

Installation Notes and Tips

Installation requires removal of the door panel and disconnection of the existing window motor and regulator assembly. Since mounting hardware is not included, retain original bolts or source compatible fasteners. Ensure electrical connections are clean and secure to prevent operational issues. Professional installation is recommended if unfamiliar with vehicle door components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 751-858 window motor and regulator assembly undergoes quality checks to ensure reliable performance in the Mazda CX-9. Warranty coverage details should be confirmed at the point of purchase.