Notes: 129004-01520 FLANGE, GEAR CASE is original YANMAR product. 129004-01520 FLANGE, GEAR CASE4 is commonly used in transmissions/axles/engines 4TNV84T-KAT, 3TNV82A-QTB1, 3TNV82A-QTB, 4TNV84T-KAT, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849