Notes: 729233-01500 CASE ASSY, GEAR is original YANMAR product. 729233-01500 CASE ASSY, GEAR5 is commonly used in transmissions/axles/engines 4TNV88-GGB1B, 4TNV88-KIR, 4IRH8N-2, 4IRH8N-1, 4TNV88-PIR, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849