2319030 Manifold-Exhaust Fits Caterpillar ModelsOne New Aftermarket Replacement Exhaust Manifold (End Piece) Fits Caterpillar (Fits CAT) C13 Series Engines This aftermarket replacement exhaust manifold is the end piece used in the three piece exhaust manifold assembly on the Fits Caterpillar C13 diesel engine. The C13 exhaust manifold assembly consists of two end pieces (2319030) and one center piece (2504408), working together to channel exhaust gases from the cylinder head to the turbocharger. A