The McCormick 6660782A1 Trigger is an authentic OEM replacement part designed for various McCormick X-series agricultural tractors. This genuine trigger ensures proper functionality and compatibility with models including the X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X7.690, X8.660, X8.670, and X8.680. Manufactured to McCormick's specifications, it provides reliable performance for essential tractor operations.