Where to buy a new headphone jack???

[versys rob]

Looking for a new headphone jack for Samsung Galaxy Ace. Our son has his worn out, and headphones don't work anymore. At least I think this phone is the ACE?? model # is GT S756 OM. I have searched the internet and can't seem to find this model # in many places. The headphone jack appears to include the speaker and buzzer. Numbers on the part itself are as follows: DMSP1115ASM-40 and A2C12B2. I can not locate this part anywhere on the internet. I have sent e mails to a few parts warehouses but no replies yet. I am in Canada. Where do you guys purchase parts like this? no warrenty of course. Help!