2005 Meritor/Rockwell RR/RS19144, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Sterling ACTERRA, (Used) 2005 Sterling Acterra, SINGLE REAR- Make: Meritor, Model: RS-19-144, Ratio: 5.57, Hub Bolts: 10, Brake Type: Air Wedge, 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 5.57, Axle Spline Count N/A, Serial# AVA04174319 2FZACFDC35AN85593