View 0 Photos View 0 Videos 2012 Meritor RS21160 Rear Differential for a International Workstar $775 USD (USED) Meritor RS21160 Ratio: 4.30 Side Gear Splines: 46 Cast#: VERIFY ConditionUsedFits To Make(s)InternationalFits To Model(s)WorkstarStock Number25864842 MLS Number13826118CategoryDifferentials, Rear Last Updated9/21/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info