2013 Meritor/Rockwell RS23-160, Tractor Trailer, Rear Rears (Tandem Rear or Single), Fits to: Volvo VNL, (Used) 2013 Volvo VNL, DIFFERENTIAL GEARS ONLY- Part Number: 21403608, Serial Number: FOR01841933, Make: Meritor, Model: RS23-160, Ratio: 2.50, 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 2.50, Serial# FOR01841933, Truck Year 2013 4V4N19EG2DN133921