Notes: 160260-01580 BOLT, FLANGE M6X6 is original YANMAR product. 160260-01580 BOLT, FLANGE M6X65 is commonly used in transmissions/axles/engines L100N6DA1F1AA, L100N6FJ1P1AA, L100N6AJ1R2AA, L100N6CA1T1AA, L100N5EA1C1AA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849