Dorman 523-240 Differential Mount - Front Right

Dorman 523-240 Differential Mount

Dorman 523-240 is a direct replacement differential mount for specific GM full-size SUVs and trucks with front right fitment. It is precision-engineered and tested to match the original equipment mounting function on applications such as Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Chevrolet Tahoe.

Key Features

• Cast iron, rubber, and steel construction for a durable OE-style mount assembly
• Supports the differential in the front right position
• Built as a replacement for the original equipment differential mount on listed vehicles
• Fits a wide range of 2007-2020 Cadillac, Chevrolet, and GMC applications
• Cross-references MOOG Chassis Products RK643170 for the same application

Detailed Description

This differential mount is made with cast iron, rubber, and steel to provide the structural support and vibration isolation needed at the differential mounting point. It is a practical replacement for worn or damaged OE mounts on vehicles including Chevrolet Silverado 1500, GMC Sierra, Cadillac Escalade, and GMC Yukon models. Part number 523-240 is engineered for the front right position and is listed for multiple GM platforms from 2007 through 2020.

This part cross-references MOOG Chassis Products RK643170 for the same application. It also aligns with OE-style replacement needs where the original mount has deteriorated, cracked, or lost its ability to hold the differential securely.

Common Problems It Can Help Solve

• Excessive drivetrain vibration from a worn differential mount
• Clunking or shifting noises during acceleration or load changes
• Loose or unstable differential support at the front right mounting point
• Rubber separation, cracking, or collapse in the original mount
• Restoring proper mounting integrity on GM trucks and SUVs

Installation Notes and Tips

Verify year, make, model, and front right position before ordering. Confirm the existing mount style and mounting points on the vehicle, especially on Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade applications. Professional installation is recommended because differential mounting components affect drivetrain alignment and load support.

Quality Assurance

Dorman states this differential mount is precision-engineered and rigorously tested to provide reliable replacement performance for the original equipment part on specific vehicles.