If I can get the service manual for each unit I can compare the FRU part numbers.
But given the price of those parts, why buy a complete 4510? Is it really less than the parts you need?
And what's to say those parts are good in the old thing?
I am looking at buying a 4510 to replace my keyboard, screws and charger on my 4520.
Will the parts be compatible? I've tried googling it to no avail.