The Massey Ferguson 1871759M91 is a genuine OEM left rear lamp designed for a wide range of Massey Ferguson 100, 200, and 500 series tractors. This essential lighting component provides reliable illumination for enhanced safety and compliance during operation. It is a direct replacement for original equipment, ensuring perfect fit and functionality for models including MF 133, MF 135, MF 165, MF 240, MF 265, and MF 590. This lamp is also compatible with various Landini and McCormick tractor models.