The internals of front forks do wear over time and will eventually require new bushes, springs, seals and possibly fork tubes if chipped near the oil seal. Externally they are prone to both damage from road debris and accidental damage, sometimes quite heavy, bending fork-tubes, damaging the triple tree and other ancillary parts that make up the complete assembly.
Whatever the reason for your front fork refurbishment this component and perhaps some of those listed below maybe of interest:
Add as many items as you wish to the same shopping cart, new caps 110121761, guides 440281083 and gaskets 44045051 for example, and still only pay the same single fixed price shipping cost.
This part may have other applications in the Kawasaki model range - ensure the part-number/s you order are correct for your model?