Device for the sealed connection of communicating channels in adjacent and/or connected parts of a combustion engine

The device has a connecting pipe (9) which is provided with an annular collar received in a channel-sided recess of a component. An axially sealed sealing ring is arranged between a front-sided section of the annular collar and a wall area of the channel-sided recess. The annular collar is received additionally with a radial circumferential gap in the recess. An annular groove is provided in the front-sided section of the annular collar, in which the sealing ring is inserted.