Notes: 714772-22721 PISTON ASSY, D is original YANMAR product. 714772-22721 PISTON ASSY, D4 is commonly used in transmissions/axles/engines L48ADVMK, L48EE-DVMK, L70ADVMK, L70EE-DVMK, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849