1017354 Manifold Exh Fits Caterpillar ModelsOne New Aftermarket Replacement Exhaust Manifold (Center Section) for Caterpillar (Cat) 3406 Series Engines This aftermarket replacement exhaust manifold center section fits Caterpillar (Cat) 3406A, 3406B, and 3406C diesel engines across a wide range of heavy equipment and truck applications. The exhaust manifold routes combustion gases from the engine cylinder head to the turbocharger and exhaust system. Part number 1017354 is the center section of a