I am currently looking into servicing a AYC pump at the moment inbetween working and taking out 2 walls at home and installing a new kitchen, I had 2 AYC pumps as seen in the pictures and the corrosion is ridiculous on both of them, i was wondering if the solid straight steel pipes can be replaced for new ones?
I have the service kit with o rings bolts and the round plate etc, new pumps on Ebay are around £1,800, second hand pumps which look no better than what i have around the £300 to £750 mark! Unreal,

going to cost me a fortune this car I'm budgeting £300 for full respray which i hope will cover all the rust issues plus buying new suspension and bushes etc, if i can't get the respray done for £,3000 I'm going to buy an evo or rx7, i just don't want to spend too much money on a car that is hard to find parts for, especially if someone bumps into it in the future n panels can't be found

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Bottom pic the casing is damaged by a previous idiot with the wrong tools I assume?