View 6 Photos View 0 Videos Meritor-Rockwell MR2014X4MFRNN509 264 Rear Axle Assembly for a 2014 Mack CXU613 Recently Updated Contact for price (Used) 2014 Mack CXU613, COMPLETE REAR REAR TANDEM- Serial Number: FOR02237480, Part Number: MT4014X4CFRNN511 264, Make: Meritor/Rockwell, Model: MR2014X4MFRNN509 264, Capacity: 20,000Lbs,... ConditionUsedRear End2.64 ratioFits To Make(s)MackFits To Model(s)CXU613Will Fit Year(s)2014Part NumberMT4014X4CFRNN511 264Stock NumberP-63786 MLS Number12422074CategoryAxle Assemblies, Rear Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info