This genuine McCormick 3665452M3 gear is designed for optimal performance in McCormick CX series and a wide range of Massey Ferguson tractors including the 3000, 3100, 3600, 4200, 4300, 5400, 6100, 6200, 6400, 7400, 8100, and 8200 series. Featuring 24 teeth, an outer diameter of 120 mm, an inner diameter of 45 mm, and a height of 33 mm, this robust gear ensures reliable power transmission. It is a direct replacement for OEM part numbers 3665452M2 and 3665452M1.