The Komatsu 37B9AA1311 is a genuine OEM mast roller designed for Komatsu forklifts. This essential component ensures the smooth and stable movement of the mast assembly, critical for safe and efficient material handling operations. Manufactured to Komatsu's rigorous standards, it provides durability and precise fitment for models including FD30C, FD33C, FD35A, FD35C, FG30C, FG33C, FG35A, and FG35C series forklifts. Weighing 0.9 kg, this roller is a direct replacement for maintaining optimal performance.