View 8 Photos View 0 Videos Eaton DS521P Front Differential Newly Listed $2,850 USD Good used Eaton DS521P front, rear differential assembly. 6.17 ratio. 90 day guarantee for swap or refund. ConditionUsedRear End6.17 ratioFits To Make(s)EATONFits To Model(s)DS521PStock NumberRyd DS521P/6.17/36 MLS Number14234315CategoryDifferentials, Front Last Updated3/10/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info