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

Dorman 751-858 Rear Right Window Motor Assembly

This Dorman power window motor and regulator assembly is built for the rear right door on select Mazda CX-9 models. It is engineered to match the original fit and operating function for a direct replacement on 2007-2015 Mazda CX-9 applications.

Key Features

• Direct replacement window motor and regulator assembly
• Fits rear right position on select Mazda CX-9 models
• Metal gear construction for durable operation
• Bolt-on attachment type for factory-style mounting
• Regulator included for a complete repair assembly
• 2-terminal electrical connection
• Non-express operation
• Interchange reference: GJ6A5858XA

Detailed Description

Dorman 751-858 is a replacement power window motor and regulator assembly designed for the rear right window on 2007-2015 Mazda CX-9 vehicles. The assembly is precision-engineered and tested to match the stock regulator’s fit, function, and performance, making it a practical choice when the original window mechanism is worn, noisy, or no longer moves the glass correctly. This part number, 751-858, is built with a metal gear and includes the regulator, while the wiring harness, mounting hardware, and installation instructions are not included.

For buyers searching for a rear right Mazda CX-9 window motor and regulator assembly, Dorman 751-858 provides a direct-fit replacement path for the 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, and 2015 model years. This part cross-references GJ6A5858XA for the same application.

Common Repair Symptoms

• Window glass moves slowly or stops before reaching full travel
• Grinding, clicking, or binding noise from the rear right door
• Window drops or will not stay in position
• Motor runs but the glass does not move correctly
• Failed regulator mechanism in the rear right door

Installation Notes

Verify vehicle year, make, model, and rear right position before installation. Because mounting hardware and instructions are not included, transfer or source the required fasteners as needed and follow the vehicle service procedure for door trim removal, glass alignment, and electrical connection. Confirm the 2-terminal connector matches the original setup before final assembly.

Quality Assurance

Dorman designs this replacement assembly to match the original equipment fit and function for the listed Mazda CX-9 applications. The part is extensively tested during development to support consistent operation in the specified rear right window location.