The Massey Ferguson 4225021M91GEB is a genuine OEM rocker arm designed for optimal performance in Massey Ferguson agricultural machinery. This critical engine component ensures precise valve actuation, contributing to efficient engine operation and longevity. It is compatible with various MF 5400, 6400, 7400, and 8400 series tractors, including models such as MF 5425, MF 5435, MF 5445, MF 5455, MF 5460, MF 6445, MF 6455, MF 6460, MF 6470, MF 7465, MF 7475, MF 7480, MF 8450, MF 8460, MF 8470, and MF 8480. Manufactured to AGCO's stringent quality standards, this rocker arm provides reliable and durable service.