Notes: 101504-55051 GASKET is original YANMAR product. 101504-55051 GASKET5 is commonly used in transmissions/axles/engines 3TNE74-KBS, 3TNV76-XDUFU, 4TNE84-P, YPU23V, YPU35V, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849