2 0 Eaton RT400-4.56/6.21 Rear Differential Recently Updated $895 USD RT400 4.56/6.21 Two speed Takeout differential +$250 Core, Yoke N/A, Side gear 33 Spline, Input 29 Spline ConditionUsedStock Number12588 MLS Number13391632CategoryDifferentials, Rear Last Updated12/16/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info