Notes: 129002-01331 GASKET, HEAD is original YANMAR product. 129002-01331 GASKET, HEAD5 is commonly used in transmissions/axles/engines 3TNV84-GDG, 3TNV84-GDG, 3TNV84T-BKSA, 3TNV84T-BKSAT, 3TNV84T-BKSA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849