3 0 2020 Eaton Rear Differential for a Kenworth W990 $1,495 USD RDP40 3.25 LOCKER, Inspected takeout from a low mileage non wrecked truck. (201,704 miles), Yoke; SPL170, Side gears; 41 Spline, Input Shaft; 39 Spline ConditionUsedRear End3.25 ratioFits To Make(s)KENWORTHFits To Model(s)W990Stock Number12961 MLS Number13545076CategoryDifferentials, Rear Last Updated9/19/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info