2 0 Meritor-Rockwell MS21-14X-4DCR Rear Differential for a 2018 International DuraStar 4300 Contact for price 2018 IHC 4300 MERITOR MS21-14X-4DCR ( SAME AS RT40-145) DIFF, 5.29 RATIO, WITH LOCK, 21000 LBS, Serial#: NA, Ratio: 5.29, Casting#: NA ConditionUsedRear End5.29 ratioFits To Make(s)InternationalFits To Model(s)DuraStar 4300Will Fit Year(s)2018Stock Number3868-IHC-4 MLS Number13826988CategoryDifferentials, Rear Last Updated9/23/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info