1078106 Manifold-Exh Fits Caterpillar ModelsOne New Aftermarket Replacement Exhaust Manifold Fits Caterpillar (Fits CAT) 3400 Series Engines This aftermarket replacement exhaust manifold (Fits CAT part number 107 8106 1078106) is an end exhaust manifold designed to collect and direct exhaust gases away from the engine on Fits Caterpillar 3408 and 3412 series power units. It is a direct replacement for the original equipment manifold used on a wide range of Fits CAT industrial, marine, and