Notes: 27310-080001 COTTER, 8 is original YANMAR product. 27310-080001 COTTER, 85 is commonly used in transmissions/axles/engines 4TNE98-UPOMD2, 4TNE98-UPOMD, 4TNE98-TBA, 4TNE98-TBZ, 4TNE98-BQCKS, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849