The gas intake device of this invention for introducing said gases into the cylinder head of a thermal engine of an automotive vehicle, comprises a gas intake manifold (11) and a manifold (11) gas feeding valve (10), communicating with the manifold (11) directly and indirectly through a heat exchanger (14), the valve (10) and the manifold (11) being integrated as a unit module (20) intended for being secured on the engine cylinder head.
