Help keep the driveline steady and vibration in check with the Dorman differential mount, part number 523-240 from Dorman OE Solutions, built to support and locate the differential and to isolate driveline vibration from the chassis. It fits many vehicles, among them the 2007-2018 Chevrolet Silverado 1500, 2007-2018 GMC Sierra 1500 and 2007-2020 Chevrolet Tahoe. See the "Vehicles it fits" section for the full list. This mount is cataloged for the front right position.
Dorman precision-engineers and thoroughly tests this differential mount as a dependable replacement for the original equipment on the listed applications.
- Direct replacement: Designed to fit and perform like the original equipment on the listed vehicles.
- Reliable fit: Precision-engineered to follow the design and dimensions of the original component.
- Durable construction: Built to strict manufacturing standards with sturdy, safe materials.
- Installation: No special tools are required.
- Rigorously tested: Checked through thorough quality control measures for dependable service.
A differential mount may need replacing if you notice a clunk when accelerating, decelerating or shifting, more driveline vibration than usual, or a mount that is visibly cracked or separated. Other driveline parts can cause similar symptoms, so diagnose the cause before replacing. If the original front right mount has failed, the 523-240 replaces it.
Interchange: 15201932 · 23104735 · RK643170 · CMS501359
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
15201932, 23104735, RK643170, CMS501359
Frequently Asked Questions
What does a Dorman differential mount do?
It helps support and locate the differential and isolates driveline vibration from the chassis. The 523-240 is cataloged for the front right position.
Will this mount fit my 2007-2018 Chevrolet Silverado 1500?
Yes, the 523-240 is listed for the 2007-2018 Chevrolet Silverado 1500, 2007-2018 GMC Sierra 1500 and 2007-2020 Chevrolet Tahoe. Check the "Vehicles it fits" section to confirm your vehicle.
What are signs of a worn differential mount?
Signs include a clunk when accelerating, decelerating or shifting, extra driveline vibration, or a visibly cracked or separated mount. Diagnose the cause first, since other parts can cause similar symptoms.
Do I need special tools to install it?
Dorman states that no special tools are required. Follow the vehicle service information for the procedure, torque specifications and whether the fasteners may be reused.
How is this differential mount built?
Dorman precision-engineers it to the design and dimensions of the original component. It is built to strict standards with sturdy materials and put through thorough quality control testing.
