Crank Shaft
Cam Shaft
Crank pully
Timing gears
Crank web
Crank shaft thrust bearing
Crank shaft main journal
Strainer
Suction pipe
Pump
Filter
Cylinder and head
Exhaust pipe
Valve door
Intake manifold
By forced feed of water
By density of water of hot and cold water
By gravity of water
By water jackets