Yanmar 121150-01330 Cylinder Head Gasket

The 121150-01330 cylinder head gasket is designed for Yanmar 3T80 series 3-cylinder diesel engines. It provides a critical seal between the cylinder head and engine block, maintaining compression and preventing coolant or oil intrusion into the combustion chamber. This gasket serves as a direct replacement for Yanmar OEM part numbers 121150-01330 and 12115001330, and cross-references to John Deere OEM numbers CH10115, M810714, and MIU800109. Applications include Yanmar tractors YM2500, YM2610, YM2610D, YM3000 and John Deere compact tractors 850, 900HC, 950, 1050. Constructed to OEM specifications for reliable sealing performance under high combustion pressures and thermal cycling.