... ; Plunger and delivery valveCylinder block, Cylinder head, cylinder liner; Piston, Piston ring/PinCylinder head, Cylinder head bonnet/ ... rod bushing/ bearing/Bolt Valve, Valve spring/guide/seat /spring seat/collet/push rod/tappet /Needle valve spindleRocker arm, ... Rocker arm/bolt /seat /seat stub /seat shaft,Fuel injection, Fuel injection pump; Oil pump, ...