The Bosch 0433171779 is a genuine DLLA147P1229 injector nozzle, engineered for precise fuel delivery in various agricultural and industrial applications. This high-quality nozzle is compatible with Perkins 1104C-44, 1104C-44T, 1104C-44TA, 1104D-44, 1104D-44T, and 1104D-44TA engines. It also fits Massey Ferguson tractor models including 5425, 5435, 5445, 5455, 6445, and 6455. This Bosch nozzle replaces OEM part numbers such as Perkins 2645K020 and Massey Ferguson 3777647M1, 3777647M91.