General Pump / Interpump 47 Series - 750 Hour Maintenance Kit (20mm)

Complete 750-hour service kit for General Pump / Interpump 47 Series pumps with 20mm plungers. Kit includes: 6 valves, O-ring cylinder head plug set, 3 piston overhaul kits with oil seals, 0.5L pump oil, 10ml threadlocker, and 25ml white technical grease. Designed for scheduled maintenance at 750-hour intervals to maintain pump performance and extend service life.