VDO WR40855 Window Regulator - Front Right

OE-Style Front Right Window Regulator

The VDO WR40855 is a front right electric window regulator for select Dodge trucks and SUVs. It is built to match original equipment fit, form, and function for a direct replacement on vehicles such as the Dodge D150, D250, D350, Ramcharger, and related W-series applications.

VDO WR40855 is a practical repair choice when the passenger-side window no longer moves smoothly or stops working altogether. The metal frame construction and OE-style design support a straightforward replacement for front right window service.

Key Features

• Front right mounting position
• Electric window operation
• Metal frame material
• No motor included
• No mounting hardware included
• Built for OE-style fit, form, and function
• Manufactured in ISO TS certified facilities

Detailed Description

VDO WR40855 is a window regulator for front right applications on 1978-1993 Dodge D150, 1981-1993 Dodge D250, 1981-1993 Dodge D350, 1978-1993 Dodge Ramcharger, 1980-1990 Dodge W150, 1981-1990 Dodge W250, 1981-1990 Dodge W350, 1985-1989 Dodge D100, 1986-1989 Dodge W100, 1980 Dodge D200, 1980 Dodge D300, 1980 Dodge W200, and 1980 Dodge W300. It is engineered as an OE-style replacement for electric window systems, making it a direct service part for restoring passenger-side window movement on classic Dodge platforms. This part cross-references Dorman OE Solutions 740-855 for the same application.

Common Repair Symptoms

• Passenger window will not raise or lower
• Window moves slowly, unevenly, or binds in the track
• Grinding, slipping, or popping noises from the door
• Window drops into the door or loses support
• Intermittent electric window operation on the front right door

Installation Notes and Tips

Verify front right door fitment before installation and compare the original regulator layout to the replacement part. Because the motor is not included, reuse or replace the existing motor as needed. Inspect the window glass guides, tracks, and door hardware for wear before final assembly to help ensure smooth operation.

Quality Assurance

VDO manufactures this regulator in ISO TS certified facilities and builds it to match original equipment specifications for fit and function. The WR40855 is intended to restore like-new window operation on the listed Dodge applications.