Notes: 114695-01341 GASKET, HEAD 0.5 is original YANMAR product. 114695-01341 GASKET, HEAD 0.55 is commonly used in transmissions/axles/engines L100N6-GEHYSYI, L100N6-GEHYS, L100N5-PTMYI, L100N5-PETMYI, L100N5-METMRYI, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849