Flame screen oil trap

Hello to all of you I have a question, where can I find on my moose 2l 126 hp bj 96 the oil trap (flame sieve) I would like to replace this part, since they tell me that it is the first reason for a high oil consumption, and where can I find on the engine the flame sieve (oil trap) however the part is right and how expensive is this repair can not be at all expensive or, for pictures or tips I would be grateful lg sweden steel