Notes: 129120-01780 Crankshaft Seal (Flywheel End) is original YANMAR-MARINE product. 129120-01780 Crankshaft Seal (Flywheel End)2 is commonly used in transmissions/axles/engines 4TNE84-DS, 4TNE84-EDS, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849