Notes: 129972-77340 BOLT, ADJUST L50 is original YANMAR product. 129972-77340 BOLT, ADJUST L505 is commonly used in transmissions/axles/engines 3TNV70-HGET, 3TNV70-NBK, 3TNV70-GGEC, 3TNV70-GGET, 3TNV70-GGE, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849