Notes: 729630-01500 CASE ASSY, GEAR is original YANMAR product. 729630-01500 CASE ASSY, GEAR5 is commonly used in transmissions/axles/engines 4TNV88-ZSTB1, 4TNV88-ZSTB, 4TNV88-BPTBT, 4TNV88-BPTB1, 4TNV88-BKNKR, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849