Thank for your reply.
Have went down to Rotor Hobby as you mension, but without opening for a look the said it not under warrently. As i bought this servo not more then half a year. Anyway, as i ask for the complete set of gear for replacement they don't have it, asking them when will the stock be coming, big question mark.....
Well, i would like to know for if there's any compatible part that i can use. Or other then the shop you mension that have the part or i can go.

Please advice,
About to lose faith in Hi-tech.......
Thank you.