Notes: 129350-21600 GEAR, RING is original YANMAR product. 129350-21600 GEAR, RING4 is commonly used in transmissions/axles/engines 3TNE74-KBS, 3TNV76-MSP, 3TNV76-MSP, 3TNE74-KBS, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849