For Yanmar 3TNV80 Engine John Deere 26G Excavator Cylinder Head+full Gasket Kit. 1 pcs 3TNV80 Complete cylinder head. 1 Set 3TNV80 Full Gasket Kit. Crankshaft Front oil seal. Crankshaft Rear oil seal. Our mission is to provide you with the best-quality parts & reasonable price and best service. Hope you enjoy shopping here!