The 6510701M91 is a genuine OEM fuel tank cap designed for a wide range of Massey Ferguson, McCormick, and Landini agricultural tractors. This essential component ensures a secure seal for the fuel tank, preventing fuel spillage and contamination. Manufactured to original specifications, it guarantees reliable performance and a perfect fit for compatible models. With an outer diameter of 70mm, an inner diameter of 50mm, and a height of 40mm, this cap is a direct replacement for worn or lost original parts, maintaining the integrity of your machinery's fuel system.