4 0 Eaton RS405 Rear Differential for a 1998 Isuzu FTR Contact for price (Used) 1998 Isuzu FTR, DIFFERENTIAL GEARS ONLY- Part Number: 127600, Serial Number: TBD, Make: Eaton, Model: RS405, Ratio: 3.55, Capacity: 19,000 Lbs, For more information about this item,... ConditionUsedRear End3.55 ratioFits To Make(s)IsuzuFits To Model(s)FTRWill Fit Year(s)1998Part Number127600Stock NumberP-106548 MLS Number13686557CategoryDifferentials, Rear Last Updated7/6/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info