Yanmar 3T84HNB Intake and Exhaust Valve Set

This intake and exhaust valve set is designed for the Yanmar 3T84HNB series 3-cylinder diesel engines. The set contains six valves configured as three intake and three exhaust units, matching the OEM cylinder head layout for the 86 mm bore platform. Manufactured to OEM specifications for material hardness, stem diameter, and head geometry to ensure correct valve lash, seating velocity, and thermal dissipation under heavy-duty operating cycles. Compatible with engine variants including 3T84H, 3T84H-NB, 3T84-1, 3T84HLT, and Komatsu 3D84-1 equivalents. Primary applications include Toyota SDK6 skid steer loaders, Takeuchi TB035 and TB025 compact excavators, Yanmar YM2310 and YM2420 tractors, and Komatsu PC20, PC30, PC38 series mini excavators utilizing the 3T84/3D84 power unit.