This kit fits Case/Ingersoll Garden Tractor Double Acting Hydraulic lift and three point hitch cylinders using Seal Kit C-17268, or the following parts: Seal Number C-14970 "O" ring A-7623 or C-28487 and "O' ring A-30971 or C-28697. This kit fits lift and 3 point cylinders that have 4 replacement parts. Case/Ingersoll lists kit C30054 for all newer and many older lift and 3 point cylinders, it is only required if your cylinder has more than 4 parts. I sell the C30054 kit under another listing. Installation instructions are included.