Notes: 721400-55701-E TANK ASSY, FUEL is original YANMAR product. 721400-55701-E TANK ASSY, FUEL5 is commonly used in transmissions/axles/engines YPU45V, 4TNV88-BKPU, YPU23V, 3TNV76-KPU, 3TNV88-BKPU, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849