Quick view Cadillac Escalade Rear Differential 8.6-Inch 1999-2006 Rebuilt by the experts at National Differential, this 8.6 Rear Differential is configured with a 3.73 or 4.10 gear ration, and an open differential depending on the stock configuration of your Cadillac Escalade. The Cadillac Escalade Rear Differential 8... $1,225.00 Choose Options Compare