Notes: 129901-59510 PIPE ASSY, RETURN is original YANMAR product. 129901-59510 PIPE ASSY, RETURN5 is commonly used in transmissions/axles/engines 4TNE98-UPOMD, 4TNE98-UPOMD2, 4TNE98-BQCKST, 4TNE98-BNMHN, 4TNE98-BNMHT, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849