Notes: 719803-01500 CASE ASSY, GEAR is original YANMAR product. 719803-01500 CASE ASSY, GEAR5 is commonly used in transmissions/axles/engines 4TNV88-BXYB, 4TNV88-BXYB1, 4TNV88-BXPYBBT, 4TNV88-BXPYBB, 4TNV88-BPTBZ, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849