255368-00 Water pump rebuild service for Hercules water pumps 287374 and 287370. G and D 2300 4 cylinder series engine and G3400, D3400 6 cylinder Hercules engines. Libby 751-10590 O-Ring used in the

751-10590 O-Ring  used in the speed control /governor linkage

This is the 12volt DC model

It would be item number 8 in the Hercules drawing

This will be item number 2 and it will include items 3 and 4 on the Lister Petter drawings

40-2500758 Spark plug wire set

255368-00 Water pump rebuild service for Hercules water pumps 287374 and 287370. G and D 2300 4 cylinder series engine and G3400, D3400 6 cylinder Hercules engines. Libby 751-10590 O-Ring used in the255368 Water pump rebuild service, for the 4 and 6 cylinder water pumps, used on the 2300, 3400, D198 and D298 series series Hercules engines. This service includes; new bearings, new water pump seal, snap ring, pump attaching gasket, gasket cover. Your existing water pump impeller will be reused and may need to be modified. Do to the complexity of rebuilding these pumps, Online Power Products no longer offers the parts for a diy option. Rebuilding