Shop used and remanufactured Eaton 21065S Rear Differentials on MyLittleSalesman.com . Compare active listings with prices from $400 to $1,125. Sellers include Garabedian Equipment, Vander Haag's, Holst Truck Parts, and more. Filter by condition, price, or year to find the Eaton 21065S Rear Differential that fits your job.