Canon CY2-4226 Top Cover
Canon CY2-1806 Side Cover
Genuine Canon replacement rubber side cover B for the Speedlite 580EX II.  New tape is recommended when installing this new cover, available here.
Canon CY2-1805 Side Cover
Genuine Canon replacement rubber side cover A for the Speedlite 580EX II. New tape is recommended when installing this new cover, available here.Â