2011 HUB PILOT NA, Truck Tractor, Hubs, Fits to: Peterbilt 384, (Used) 2011 Peterbilt 384, REAR DIFFERENTIAL HUBS- Side: Driver Left Side, Make: Spicer, Model: DSP40, Ratio: 3.70, Capacity: 20,000 lbs, Hub Bolts: 10, Brake Type: Drum, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# TBD, Material Steel, Hub Bolts 10 1XPVDU9X8BD114808