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.


It delivers rotary motion taken from the reciprocating pistons and rods.

Engine block & Cylinders

Parts of Cylinder Block

  1. Cylinders
  2. Oil passages and galleries
  3. Deck
  4. Crankcase
  5. Head studs
  6. Core plugs
  7. Water pump mounting
  8. Oil 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


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

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