This is a A-5104415 Leveling Box Assembly PN: 5104415Main Description As Following : A-5104415 Leveling Box Assembly P.N: 5104415 Dim A (1): Minimum Adj: 17.716"Dim B (2): Maximum Adj: 21.654"Replaces: 4982390 Replaces: VPL2018 VAPORMATIC , Crossed From: 4982390 FIAT Found in Section & Models : Hitch & Drawbar Parts > Hitches: 2PT and 3PT, Fiat TRACTOR: 480 (W/O Reinforced Lower Lift Arms), Fiat TRACTOR: 480DT (W/O Reinforced Lower Lift Arms), Fiat TRACTOR: 500 (W/O Reinforced Lower Lift Arms), Fiat TRACTOR: 500DT (W/O Reinforced Lower Lift Arms), Fiat TRACTOR: 540, Fiat TRACTOR: 540DT, Fiat TRACTOR: 55-46 (W/O Reinforced Lower Lift Arms), Fiat TRACTOR: 55-46DT (W/O Reinforced Lower Lift Arms) Associated Items : New Also This is An Aftermarket Product And : Dim A (1): Minimum Adj: 17.716" Dim B (2): Maximum Adj: 21.654" Replaces: 4982390