M802217 Head Gasket Fits John Deere Compact Tractor Model: 650One New Aftermarket Replacement Head Gasket Fits John Deere 650 Compact Tractor This aftermarket replacement cylinder head gasket is Fits John Deere 650 compact tractor equipped with the Yanmar 2T80UJ 2 cylinder diesel engine. The head gasket seals the cylinder head to the engine block, maintaining combustion pressure and preventing coolant or oil leaks into the cylinders. Proper installation requires following the manufacturer torque sequence and