Sierra; 4.10 Ratio. Silverado. 1st Design. A single complete drive axle assembly, used on vehicles that utilize dependent suspension systems, that includes a differential and drive axles to deliver power to the wheels of a vehicle in order to drive the vehicle. Device connecting Drive Shaft to Axle Shafts that allows for varied speeds of wheel rotation. Differential Code AABC,AACP. Drive Ratio 4.10. Inside Snap Ring Type Universal Joint. housing. CABLE. Drive Axle Assembly.