The SPA104765 is a high-quality viscous fan clutch designed for Massey Ferguson agricultural tractors. This essential component regulates engine cooling by controlling the fan speed, ensuring optimal engine temperature and efficiency. It is a direct replacement for various OEM part numbers, compatible with Massey Ferguson 5400, 6400, 7400, and 8400 series models including 5425, 5435, 5445, 5455, 5460, 5465, 6445, 6455, 6460, 6465, 6470, 6475, 6480, 6485, 6490, 6495, 6497, 6499, 7465, 7475, 7480, 7485, 7490, 7495, 7497, 7499, 8450, 8460, 8470, 8480.