Notes: 24190-080001 BALL, STEEL 1-4 is original YANMAR product. 24190-080001 BALL, STEEL 1-45 is commonly used in transmissions/axles/engines 4TNV94L-NCKS, 4TNV94L-NCKM, 4TNE98-UPOMD2, 4TNE98-UPOMD, 4TNE98-BQCKST, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849