First we replaced the FAN but still issue persist same so request for RMA of Switch.
and after RMA, issue was resolved.
Someone know a good place to purchase these fan ?
I look on ebay but it seems fake/clone product from chine.
Ebay can be tricky. The fact that the replacement fan is offered from China doesn't necessarily mean it is fake or bad, as most Cisco products actually ARE manufcatured in China. Which country are you in ? Can you send the links from Ebay that you thnk are suspicious ? There are ways to tell if the seller is reliable...
I live in France, these seller from Ebay :
Or this one