Tech Main parts of a car engine Engine block & Cylinders. The engine block is the backbone of the car's engine, and is often made out of aluminium or iron. Pistons & Crankshaft The rotational force that is generated on the wheels starts with the movement of the piston. Camshaft. It delivers rotary motion taken from the reciprocating pistons and rods. Engine block & Cylinders Parts of Cylinder BlockCylindersOil passages and galleriesDeckCrankcaseHead studsCore plugsWater pump mountingOil filter Types of Cylinder Blocks Engine blocks are classified according to the size of the engine cylinders. Following are the types of cylinder blocks: V-engine cylinder Inline cylinder Opposed engine or Boxer engine cylinder Pistons & Crankshaft Camshaft Other fundamental parts of a car engine include: Engine Valves Oil Pan Combustion Chamber Manifold Cylinder Heads Oil Pan Drain Bolt Spark Plug Connecting Rod Cylinder Liner Piston & Ring Distributor Camshaft Pulley Oil Filter FlyWheel Head Gasket Water Pump Crank Case Oil Dipstick