74318DDA Fan Piston Motor OM-74318-002 For Medium Mini Excavator Cooling System Overhaul

Fully replicates OEM flange, spline shaft, piston valve plate and oil channel specs, precision piston set with heat-resistant FKM seals prevent leakage under high pressure & temperature. Factory pre-calibrated torque, standard universal replacement for full cooling overhaul of KYB matching excavators.