2009 HUB PILOT NA, Truck Delivery, Hubs, Fits to: Peterbilt 335, (Used) 2009 Peterbilt 335, COMPLETE DIFFERENTIAL HUBS- Part Number: 513015, Serial Number: HN03232493, Side: Passenger Right Side, Make: Spicer, Model: S21-170, Ratio: 5.57, 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# HN03232493, Casting# HN03232493, Material Steel 2NPLHN6X79M792700