FLANGE AND SEALING COLLAR ASSEMBLY

A FLANGE AND SEALING COLLAR ASSEMBLY which comprises a flange and a sealing collar, the sealing collar being mounted inside the flange, where the sealing collar has a front portion with a smaller diameter than the rear portion, two rings piston in the anterior portion and the flange has a communication channel that interconnects the middle portion between the piston rings of the sealing collar with the exhaust manifold coupled to the turbocharged system, obtaining the advantage of through the positive pressure coming from the exhaust manifold prevent the return of lubricating oil to the compressor of the turbocharged system.