Notes: 123907-01349 GASKET, HEAD is original YANMAR product. 123907-01349 GASKET, HEAD5 is commonly used in transmissions/axles/engines 4TNV106T-XTBL, 4TNV106TXTBL, 4TNV106TXTBL, 4TNV106T-XTBL, 4TNV106-NTB, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849