Help keep the rear differential firmly located with the Dorman differential mount bushing, part number 523-223, a direct-fit replacement for the 2004-2007 Cadillac CTS, 2004-2009 Cadillac SRX and 2005-2011 Cadillac STS. Dorman precision-engineers and tests this rear differential mount bushing as a replacement for the original equipment on these vehicles. See the Buyer's Guide tab for engine-level fitment details.
The differential mount bushing sits between the rear differential and its mounting point. It is designed to cushion the connection, limit differential movement under load, and help isolate driveline vibration from the cabin.
- Direct replacement: designed to fit and perform like the original equipment on the listed applications.
- Reliable fit: precision-engineered to match the design and dimensions of the original components.
- Durable construction: built to strict standards from sturdy, safe materials.
- Rigorously tested: put through thorough quality-control measures.
Signs this part may need replacing include a clunk from the rear on acceleration, deceleration or shifting, added driveline vibration, and a cracked or separated bushing. If a worn differential mount bushing is causing these symptoms, the 523-223 replaces it. Diagnose the cause before you order parts, and consult the vehicle service information for the correct procedure and fasteners.
Interchange: 89058605
