Kubota 1A013-03043 Cylinder Head Assembly

This cylinder head assembly is manufactured from aluminum alloy to OEM specifications for the Kubota D1503 series vertical, water-cooled, 4-stroke diesel engines. The unit is supplied complete with valves, valve springs, and retainers pre-assembled, eliminating the need for component transfer or valve adjustment during installation. It features an indirect injection (IDI) spherical combustion chamber (E-TVCS) design compatible with the Bosch mini fuel injection pump. The casting incorporates precision-machined intake and exhaust ports, injector bores for threaded screw-in injectors, and coolant passages matching the original engine block geometry. Designed for 1.499 liter displacement (83 mm bore, 92.4 mm stroke) three-cylinder configuration. Direct replacement for Kubota OEM part numbers 1A013-03043, 1A013-03044, 16467-03040, and 1G720-30430. Applicable to engine variants D1503, D1503-M, D1503-M-E3, D1503-L-A, D1503-M-E2B, and D1503-M-E3B.