Maruthi Suzuki — urgent need for a spare part

Address:

Krishna, Andhra Pradesh

I need an ac blower motor fan part number 74150m70b00 for my 98 model zen petrol been searching for this part since a month a i wasn't able to find any i have checked maruthi authorised service centers they were not much help either.so please give me details about this part and get me this part as early as possible.