2008 Meritor/Rockwell RT40-145, Truck Delivery, Front Rears (Tandem Front), Fits to: Sterling L9500, (Used) 2008 Sterling L9500, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: S11-27439-373, Serial Number: FOR00432802, Make: Meritor, Model: RT40-145, Ratio: 3.73, Capacity: 20,000 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 3.73, Serial# FOR00432802, Casting# FOR00432802 2FZHAZDE68AZ44236