Notes: 129486-59510 PIPE, FUEL RETURN is original YANMAR product. 129486-59510 PIPE, FUEL RETURN5 is commonly used in transmissions/axles/engines 3TNV84-GDG, 4TNV98T-NIR, 4TNV98-NIR, 4IRI8N, 4IRH8N-2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849