2012 Meritor/Rockwell MS1714X, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: International DuraStar 4300, (Used) 2012 International DuraStar 4300, DIFFERENTIAL GEARS ONLY- Part Number: 2609A30A, Serial Number: FOR01337308, Make: Meritor, Model: MS17-14X, Ratio: 4.33, Capacity: 17,500 Lbs, 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 4.33, Serial# FOR01337308, Casting# FOR01337308 1HTMMAAL3CH595567