Macan; w/o Locking Rear Diff.; 2.9L. Device connecting Drive Shaft to Axle Shafts that allows for varied speeds of wheel rotation. Exc.Electronic Differential Lock. Part has related component that cannot be reused/reinstalled; mount bolt. The Differential Carrier Assembly is a housing that is used to hold all of The Differential components and includes those components (Differential side & pinion gears, The ring gear, shims, washers, bearings, pinion pin, clutches etc.).