318005 Hydraulic Cylinder Seal Kit Fits Hyster Forklifts Outdoor Flashers Page 552 XNXX Adult Forum. One New Aftermarket Replacement Hydraulic Cylinder Seal Kit for Hyster Lift Trucks This aftermarket hydraulic cylinder seal kit replaces worn or leaking seals in the lift cylinder assembly on Hyster (Hyster Yale) lift trucks. Designed for use with 2 3 4 stage and 3 3 4 stage mast configurations, this kit includes the seals and components needed to perform a complete cylinder reseal and restore proper hydraulic function to the mast lifting system. Verify your mast stage configuration and confirm your model and serial number before ordering to ensure correct fitment. Specifications Application: Hydraulic Lift Cylinder Mast Compatibility: 2 3 4 Stage, 3 3 4 Stage Compatible Models Hyster: Fits several Hyster lift truck models. Confirm fitment using your forklift model and serial number from the data plate. Replaces Part Number(s): 318005, HYI40 0526 New aftermarket replacement part not remanufactured, not used.