Just found this online for HD OEM Parts listing with pictures that may be handy for some who don't have an HD Genuine Manual. Hope it helps some, originated from Alaska so may have some heating component incorp. (not really) 

thanks balofski,could come in handy

This is an Aussie version and once you put parts in cart it gives you prices or superseded part numbers
http://partsfinder.onlinemicrofiche.com/capitalhdspares/showmodel.asp?make=hdmc