The McCormick 4220822M91 is a genuine OEM cutter bar support, also known as a channel, designed for use in various Massey Ferguson combine harvester models. This essential component ensures proper function of the cutter bar assembly, maintaining optimal harvesting performance. It is a direct replacement part, manufactured to original specifications for durability and precise fitment across a wide range of MF 30, 3000, 4000, 5000, 6000, and 7000 series combine harvesters.