Notes: 129008-51920 BOLT, SOCKET M6X10 is original YANMAR product. 129008-51920 BOLT, SOCKET M6X105 is commonly used in transmissions/axles/engines 4TNV94L-PLK2, 4TNV94L-PLK, 4TNV98-ZNMS2F, 4TNV98-ZNGTF, 4TNV98-ZNGT, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849