This is an original AGCO part, number 3677459M91, functioning as a handbrake indicator. It is a critical component for displaying the status of the handbrake system in various agricultural tractors. This OEM indicator ensures reliable performance and precise fitment, compatible with a wide range of models from McCormick (CX, MC, MTX, X6, X7, XTX, ZTX series), Massey Ferguson (5400, 6400, 7400, 8400, 8600 series), Fendt (700, 800, 900 Vario series), Valtra (N, T, S series), and numerous Landini tractor models.