The Landini 1425878M91 is a genuine OEM starter switch designed for a wide range of Landini and Massey Ferguson agricultural tractors. This essential electrical component ensures reliable engine ignition and is built to original factory specifications for durability and precise fitment. It replaces previous part numbers such as 35407R91 and 3301010M91, maintaining compatibility with numerous models including the Landini 5860, 6060, 6500 series, and Massey Ferguson 135, 165, 240, 265, 590, 3000 series, and 6000 series tractors. With a length of 95 mm, height of 51 mm, and weighing 0.12 kg, this switch is a direct replacement for maintaining optimal system functionality.