The McCormick 3671981M1 Jaw is an authentic OEM component designed for various McCormick, Massey Ferguson, and Valtra tractor models. This essential part ensures proper functionality and secure operation within the specified machinery. It is compatible with McCormick MC series tractors including MC80, MC90, MC95, MC100, MC105, MC110, MC115, MC120, MC130, and MC135. Additionally, it fits Massey Ferguson 4200 and 4300 series tractors (4215-4270, 4315-4370) and Valtra 6000, 8000, and 8550-8950 series tractors.