Notes: 129C01-01331 GASKET, CYL. HEAD is original YANMAR product. 129C01-01331 GASKET, CYL. HEAD5 is commonly used in transmissions/axles/engines 4TNV86CT-PTB, 4TNV86CT-PTB, 4TNV86CT-PTB1, 4TNV86CT-MKTFK, 4TNV86CT-KKTFK, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849