(Used) 2013 Peterbilt 384, FRONT DIFFERENTIAL HUBS- Side: Driver Side, Make: Spicer, Model: DSP41, Ratio: 3.08, 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