2000 Meritor/Rockwell Other, Truck Delivery, Front Rears (Tandem Front), Fits to: Sterling L9513, (Used) 2000 Sterling L9513, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: S11-22054456, Serial Number: AVA99128388, Make: Meritor/Rockwell, Model: RR23164NCNN309, Capacity: 23,000Lbs, Ratio: 4.56, Hub Bolts: 8, 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, Ratio 4.56, Serial# AVA99128388, Casting# AVA99128388 2FZXKWEB3YAF39014