2006 HUB PILOT NA, Truck Delivery, Hubs, Fits to: Peterbilt 379, (Used) 2006 Peterbilt 379, REAR DIFFERENTIAL HUBS- Side: Driver Left Side, Make: Spicer, Model: D46-170, Ratio: 4.10, Capacity: 23,000 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 1NP5LB0X36D888338