3 0 Eaton RSP40-3.70 Rear Differential $250 USD RSP40 3.70 CORE Bad pinion bearings, Yoke 1710 Full round, Side gear 41 Spline, Input 39 Spline, ConditionUsedRear End3.70 ratioStock Number12550 MLS Number13376964CategoryDifferentials, Rear Last Updated5/15/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info