2005 Diahatsu Sirion 1.3 SE Part numbers needed any help

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Also need locations of:
Coolant drain plugs, radiator and block

I cannot find the "correct", manufacturers product codes anywhere?
for the above parts needed.

If anyone has had any of the work done from the list above and can enlighten me where i can locate all these bits and pieces, you will be blessed by me and you will go to heaven..

any help would be gratefully appreciated..

thanks guys/girls