2007 Meritor/Rockwell Other, Truck Delivery, Axles, Complete Rears, Fits to: Kenworth K300, (Used) 2007 Kenworth K300, COMPLETE REAR DIFFERENTIAL- Make: Meritor/Rockwell, Ratio: 4.56, Capacity: 21,000 Lbs, Hub Bolts: 10, Brake Type: Disk, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Ratio 4.56, Serial# TBD, Hub Bolts 10 SBVPHY6X67L325709