4098951 3408246 3086283 Exhaust Manifold for Cummins Engine K19 KTA19 QSK19 CM500,Equipped with main part number 4098951 and alternative numbers 3408246 and 3086283, this exhaust manifold fits Cummins K19, KTA19, QSK19 and CM500 engines. Integral casting molding ensures high structural strength and high-temperature deformation resistance. It converges cylinder exhaust gas efficiently, reducing exhaust resistance and improving engine ventilation efficiency. Tight sealing flange design prevents exhaust leakage, with excellent thermal stability to adapt to long-term high-temperature exhaust working conditions.