Part Number: 3700504M91. MPN: 3771122M92, 3700504M91. This Tractor Part Replaces: 3771122M92, 3700504M91. Massey Ferguson. Fits Massey Ferguson Tractors: 240, 253, 263, 275, 283, 290, 362, 375, 383, 390, 390T, 393, 396, 398, 399 FROM SERIAL / ENGINE # 07/95.