Hydraulic Cylinder Fix

I'm trying to sort out a leak in the lift cylinder from an old cherry picker (a 1973 Afron 450 made in Israel).
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From what I can tell, it's a single-acting cylinder with just one seal in the gland.
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The rod has the odd rust spot, and some dings which I cannot work out the cause of.
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The rod is 60mm, so metric - am I best off trying a local hydraulics supplier for a new rod seal and wiper, or should I be chasing parts from the manufacturer?

Also, is there anything that can be done for the rod?
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