The McCormick 1877649M2 is a genuine starter relay support designed for a wide range of Massey Ferguson and McCormick agricultural tractors. This essential component ensures proper mounting and function of the starter relay, contributing to reliable engine starting. Measuring 80mm in length, 20mm in width, and 20mm in height, and weighing 0.04 kg, this support is a direct OEM replacement for part number 1877649M1, ensuring precise fit and performance.