Yanmar Tractor Valve Stem Seal (sold individually)
Shop Notes:
– These are used on both the intake and exhaust valves on YM series tractors (YM1500, YM3110, etc).
– These are used on intake only if used on F series tractors (F20, F24, etc)
This is what keep the oil in the valve cover gasket from getting into the intake or exhaust ports.
2 used per cylinder
