What is the name of this replicator 2S part?

This part almost melt and I need new one. What is the name of this part? help:(
Attachment 9230

please help!

is that a fan holder ?

It seems so

http://lazytechguys.com/wp-content/g...cator-2-14.jpg

yes flament cooler fan holder. And has flament tube hole. Where can I find it??