View 5 Photos View 0 Videos Eaton RSP40-3.70 Rear Differential $1,595 USD RSP40 3.70 REBUILT +$350Core, Yoke N/A, Side gear: 41 Spline, Input : 39 Spline, Non- Locker, ConditionRemanufacturedRear End3.70 ratioStock Number12550 MLS Number13376964CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info