View 2 Photos View 0 Videos Eaton DSP40 Front Differential $3,000 USD Weller reman diff. p/n 1397023 DSP40 3.70, Core Charge: 1000.00, Ratio: 3.70 ConditionUsedRear End3.70 ratioFits To Make(s)EatonFits To Model(s)DSP40Stock Number172666 MLS Number14242488CategoryDifferentials, Front Last Updated3/13/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info