Engine Body Parts :
Cylinder Block, Cylinder Head, Cylinder Liner, Main Bearing, Main Bearing Cover, etc.
Engine Main moving parts:
Crankshaft, Connecting Rod, Piston, Piston Ring, Flywheel, Pulley, etc.
Engine Intake and exhaust system:
Air Distribution Timing Gear, Camshaft, Follower Arm, Pushrods, Rocker Arm, Rocker Arm Shaft, Intake Valve, Exhaust Valve, Valve Springs, Valve Guides, Valve Locking Pins, Air Filter, Turbochargers, Silencers, Intercoolers, etc.
Engine Lubrication system:
Oil Pan, Oil Pump, Oil cooler, Oil Filter, Piston Cooling Nozzles, etc.
Engine Cooling system:
Radiators, Water Pumps, Fans, Thermostats, etc.
Engine Electrical system:
Batteries, Alternators, Starter Motors, Starter Switches, Battery Relays, etc.