300 tdi alternator

hi lads i have tryed a search but not brought any thing up.

i have a 1995 disco 1 300 tdi and the bushs have gone in the alternator. now i cant see any stamp or make on it any were to which model it is any one know s were it should be be or know which one would be fitted ( the alternator has a multi ribbed pully and no fan on it if that helps) ???

secondaly apart from ebay any one know of some were to get them

thanks