For NV45AB2 Parts Package include: 1 x Piston Bumper, 1 x Bumper Sheet Part number: 878-179 And 877-993 For Models NV45AB2, NH451, NV45AB2(S), NT50A, NV45AE, NV45AA, NV50A1, NV45AB, NV50AP, NV50AP2, VH501, N5008A1