The Kubota 3673024330 Seal First Shaft is a genuine OEM component designed for Kubota M-Series agricultural tractors. This critical oil seal, with an inner diameter of 35 mm, an outer diameter of 56 mm, and a width of 10 mm, effectively seals the first shaft to prevent lubricant leakage and protect internal transmission components from contaminants. Weighing approximately 0.023 kg, it ensures reliable and long-lasting performance in demanding operational conditions. Compatible with various models including M5040, M6040, M7040, M8540, M9540, M100X, M110X, M126X, M135X, M5140, M6060, M7060, M8560, M9560, M5-091, M5-111, M6-101, M6-111, M6-131, and M6-141.