Loader Part Numbers/hydraulic controls

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Hi...I have a MF GC2300. One of my hydraulic spindles has started leaking fluid on the backside (nearest the joystick). I have found the problem but am in need of part numbers to order new seals. The nearest dealer is about 70 miles away and I would like to make sure they have the part before making the trip. I've looked for MF Agco part numbers on line but can only find numbers for larger tractors. Any help would be appreciated. Thanks.