The McCormick 4221814M93 is a genuine ignition distributor designed for a wide range of agricultural machinery, including various Massey Ferguson, Landini, and McCormick tractor models. This essential component ensures precise timing for optimal engine performance in Perkins AD3.152, A4.212, A4.236, A4.248, A6.354, 1004.4, 1004.40, 1004.4T, 1006.6, 1006.60, and 1006.6T engines. Weighing approximately 1.25 kg, it is a direct replacement for several OEM part numbers, including 3597950M93 and various 706248R9x series, ensuring reliable ignition system operation.