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Even wanted to lookup a IBM part number or FRU number ......    and couldn't find it !!!
On IBM Parts Lookup, allmost any partnumber, feature code or FRU code can be found from either System p, System i, System x, BladeCenter or System Storage.

Try it HERE and provide feedback to make it even better.   What they say: "This site is in betatesting and free of charge. Though we try to keep the data accurate, sometimes things or items may be wrong or missing. Duplicate items may exist but if you use the search engine appropriate you can find the result you need."

Source:  IBM Parts Lookup