30 Parts of Engine (Car): With [Functions, Diagram, Pictures & Names]

30 Parts of Engine (Car): With [Functions, Diagram, Pictures & Names]
Parts of Engine


30 Parts of Engine (Car): With [Functions, Diagram, Pictures & Names]: – Being familiar with the various parts of the engine and their functions, you can undoubtedly identify which part is causing the issue and you can take appropriate action. Likewise, understanding the parts of an engine can assist you with making informed decisions while buying a car or while deciding on upgrades or modifications.

What is a Car Engine?

A car engine is a complicated mechanism, designed with various internal parts that work as expected to create power that runs your vehicle. All parts should be in good condition for the engine to work appropriately. Cars, one of the essential parts is the engine. Your car engine is comprised of a lot of parts working together to create energy and to make your vehicle go. A portion of the primary parts of a motor is the cylinders, valves, pistons, spark plug, and screws that connect them.

Basically, you have a thick rotating metal part that connects or associates with various cylinders in your car engine. As the rotation of that engine part occurs, pistons will go up and down in the cylinder area of the car.

Parts of Car Engine

Most modern vehicles have somewhere in the range of four and eight cylinders, however, a few vehicles can have as many as sixteen! The cylinders are made to open and close at definitively the right time to bring in fuel to combine with the spark for burning inside and to release the exhaust gases produced. It’s vital to understand what is the role of each part of the car and how they help in driving a car safely.

Below we will discuss each part of the car engine in detail: –

  1. Engine Block
  2. Cylinder Head
  3. Piston
  4. Camshaft
  5. Crankshaft
  6. Flywheel
  7. Spark Plug
  8. Connecting Rod
  9. Combustion Chamber
  10. Engine Valves
  11. Timing Chain / Timing Belt
  12. Intake Manifold
  13. Exhaust Manifold
  14. Intake and Exhaust Valves
  15. Piston Ring
  16. Gudgeon Pin
  17. Cylinder Liner
  18. Crankcase
  19. Engine Distributor
  20. Cam
  21. Oil Pan
  22. Oil Filter
  23. Gasket
  24. Distributor O Ring
  25. Cylinder Head-cover
  26. Rubber Grommet
  27. Camshaft Pulley
  28. Timing Belt Drive Pulley
  29. Water Pump
  30. Oil Pan Drain Bolt

1. Engine Block: ( Parts of Engine )

The Engine block is the essential part of an engine. The Engine Block- otherwise called a cylinder block and contains each of the significant parts that make up the bottom end of an engine. An Engine block contains the primary parts of an internal engine. The Engine block likewise houses the pistons, crankshaft, camshaft, and somewhere in the range of four and twelve cylinders relying upon the vehicle, in a line, otherwise called inline, flat, or looking like a V.

2. Cylinder Head: ( Parts of Engine )

To close the combustion chamber of the engine from the top is the principal role of the cylinder head. The passages in the cylinder head permit air and fuel to flow or stream inside the cylinder while allowing the exhaust gases to stream out of it. The upper part of the engine is known as the cylinder head, while the lower part is the engine block. The cylinder head sits on the engine and deters the combustion chamber.

3. Piston: ( Parts of Engine )

The Pistons assist or help in the transformation of heat energy into mechanical work as well as the other way around. It moves up and down inside the cylinder to expand and contract the air-fuel combination. The Piston likewise plays out various other significant tasks, for example, It seals the combustion chamber. The Purpose and motivation behind the piston is to stand the gases expansion and further send it to the crankshaft.

4. Camshaft: ( Parts of Engine )

The camshaft may either be located within the engine block or in the cylinder heads, which varies from one vehicle to another vehicle. The role of the camshaft is to direct the timing of the opening and closing of valves and take the rotary or revolving movement from the crankshaft and transfer it to up and down motion to control the movement of the lifters, moving the push-rods, rockers, and valves.

5. Crankshaft: ( Parts of Engine )

An engine crankshaft runs inside the base end of a car’s engine and converts the upward movements of the pistons into horizontal rotational movement, which at last drives the wheels by means of the gearbox. Like how a jack-in-the-box works, the crankshaft transforms the piston up and down motion or movement into a proportional motion or movement, at engine speed. The crankshaft is attached or connected to the engine by large bearings at one or the flip side. It connects with the flywheel, and through that, the clutch.

6. Flywheel: ( Parts of Engine )

The torque provided by the engine isn’t uniform and is fluctuating in nature. On the off chance that a vehicle continues moving with this fluctuating power. It will make tremendous discomfort to the rider and furthermore, it will diminish the life of its various parts. Consequently to manage the issue of fluctuating load a flywheel is utilized. A flywheel is by and large mounted on the camshaft.

7. Spark Plug: ( Parts of Engine )

To start your vehicle you need some electricity, hence Spark plugs ignites the combustion which is needed at that time. Spark plug emits or discharges an electrical jolt across a small gap igniting the fuel and air combination that gets the piston going in a motion and makes your vehicle ready to run. As a matter of fact, without properly working spark plugs, your car without a doubt wouldn’t have the option to run at all.

8. Connecting Rod: ( Parts of Engine )

The part of a piston engine that connects or interfaces the piston to the crankshaft is known as an connecting rod. The Connecting rod changes over the linear up-and- down movement of the piston into the roundabout motion of the crankshaft and is in this manner subject to tension, compression, bending, and clasping. On the crank pin of the crankshaft, the connecting rod is mounted, with a plain bearing.

9. Combustion Chamber: ( Parts of Engine )

A Combustion Chamber is the area inside the cylinder where the fuel/air combination is lighted. As there is compression in the piston the fuel/air combination and it further connects with the spark plug, the combination is further combusted and pushed out of the combustion Chamber as energy. The cylinder houses a considerable lot of the significant parts of the internal combustion engine including the Injector nozzle, Piston, spark plug, combustion Chamber, and others.

10. Engine Valves: ( Parts of Engine )

Engine valves are mechanical parts that are utilized in internal combustion engines to permit or confine the progression of fluid or gas to and from the combustion chambers or cylinders during the operation of the engine. Practically, they perform much the same way to numerous different sorts of valves in that they block or pass flow, in any case, they are simply mechanical devices that interface with other engine parts, for example, rocker arms to open and shut in the right sequence and with the right timing.

11. Timing Chain / Timing Belt: ( Parts of Engine )

A Timing belt, timing chain, or cam-belt is a significant part of an engine that synchronizes the rotation or turn of the crankshaft and the camshaft so the engine’s valves open and close at the legitimate times during every cylinder’ intake and exhaust strokes. The belt is made of heavy-duty rubber with gears to hold the pulleys from the camshaft and crankshaft. The chain, similar to your bike chain, wraps around pulleys with teeth.

12. Intake Manifold: ( Parts of Engine )

The Intake Manifold, likewise referred to as the inlet manifold, distributes air to the engine’s cylinder, and on numerous cars, it additionally holds the fuel injectors. Frequently an intake manifold holds the throttle valve (Throttle body) and a few different parts. The intake air flows through the air filter, intake boot, then, at that point, through the Throttle body, into the intake manifold plenum, then through the runners, and into the cylinders. Intake manifolds are typically made using aluminum or cast iron, albeit a few cars utilize plastic manifolds.

13. Exhaust Manifold: ( Parts of Engine )

The Exhaust Manifold is entrusted with collecting the exhaust fumes generated by an internal combustion engine and conveying them toward the catalytic converter or turbocharger. It is connected to exhaust valves. Its construction is equivalent to the inlet manifold. The exhaust manifold carries exhaust gas and plays a similar role in both petroleum and diesel engines.

14. Intake and Exhaust Valves: ( Parts of Engine )

Intake valves are opened to permit the progression of an air/fuel combination into the engine’s cylinder before compression and ignition, while exhaust valves open and close the outlet for exhaust gases. By virtue of Petrol engines, air, and the mixture of fuel enters through the delta valve. Yet, in diesel engines, just air enters through the intake valve. The exhaust valve in both cases is intended for letting exhaust gases out.

15. Piston Ring: ( Parts of Engine )

The Piston rings act to carry or divert heat from the hot piston into the cooled cylinder wall.

The primary elements of cylinder rings in motors are:-

  • Sealing the combustion chamber so there is negligible loss of gases to the crankcase.
  • Further developing transfer of heat from the piston to the cylinder wall.
  • Keeping up with the appropriate quantity of oil between the piston and the cylinder wall.
  • Regulating and Controlling engine oil utilization and usage by scraping oil from the cylinder walls back to the sump.

16. Gudgeon Pin: ( Parts of Engine )

A Gudgeon pin, otherwise called a wrist pin, is a significant part of an internal combustion engine. To create a connection between the connecting rod and the piston, Gudgeon pin is utilized. Gudgeon pins can likewise be utilized with connecting rod and wheels or cranks.

17. Cylinder Liner: ( Parts of Engine )

A Cylinder is fitted to the engine block to form or shape of the cylinder and is one essential function part that forms the interior of the engine. The cylinder liner is likely going to wear from the rubbing action of the piston rings and piston rigs, at the time of usage. This wear is limited by the thin oil film which coats or covers the cylinder walls and furthermore by a layer of glaze that normally forms as the engine is run in.

18. Crankcase: ( Parts of Engine )

The central component of the engine is known as the crankcase.The crankcase is, basically, the casing for the entire crankshaft mechanism inside the internal combustion engine. It’s the largest part of the engine, however should be designed to be areas of strength for both and light. In most present- day engines, the crankcase is integrated into the engine block. The pistons, connecting rods, and cylinders are the crank mechanism parts which all are hold by crankcase.

19. Engine Distributor: ( Parts of Engine )

An engine distributor is an enclosed or encased rotating shaft utilized in spark-ignition internal combustion engine that have mechanically timed ignition. The distributor’s essential function is to direct electricity from the ignition curl to each ignition coil with flawless timing. But in numerous modern-day computer-controlled engines that utilize crank angle/position sensors, the distributor likewise houses a mechanical or inductive breaker switch to open and close the ignition coil’s primary and essential circuit.

20. Cam: ( Parts of Engine )

These are an integral part of camshafts. In view of cams, a camshaft is known as a camshaft. To control the inlet and exhaust valve timing, cams are basically mounted ion the camshaft.

21. Oil Pan: ( Parts of Engine )

Another important and essential part of a car engine is oil pan.  The oil pan is attached or joined to the lower part of the engine and holds the oil that will be circulated or flowed through parts of your engine to keep them greased up or lubricated, which reduces friction, so everything works without a hitch and forestalls damage. There is a gasket between the oil dish and the motor block which helps in preventing the leakage of oil.

22. Oil Filter: ( Parts of Engine )

Your Car’s oil filter eliminates waste, as well. It captures harmful debris and jetsam, soil, and metal pieces in your engine oil to keep your car’s engine moving along as expected. Without the oil filter, harmful particles can get into your engine oil and damage the engine. Filtering out the junk implies your engine oil stays cleaner and longer.

23. Gasket: ( Parts of Engine )

A gasket is a ring or sheet composed of a supple material utilized in static applications to seal joints, flanges, and other mating surfaces to forestall leakage.

Below are various kinds of gaskets for the most part utilized in an engine: –

(a) Exhaust Manifold Gasket

The Exhaust manifold gasket is a kind of gasket that contains metal and different materials where best seal is provided.  It is the principal gasket in the exhaust system and is vital for forestalling leaks.

(b) Oil Pan Gasket

Oil pan gaskets are built and worked to endure a lot of heat and pressure. They’re made of durable materials, like steel, alongside an aluminized seal with a rubber coating or covering. It’s bolted to the engine and is located in the base part of the engine block. The oil pan gasket is a seal or separator that keeps oil from leaking or spilling out, and hence plays a vital part to forestall any sort of leakage or spillage.

(c) Water Pump Gasket

A water pump gasket functions as a seal between the engine and the water pump to forestall leaking or spilling and is essential to the cooling process. Assuming your engine starts to leak coolant, you must get your gasket replaced as soon as possible to forestall further damage to your engine.

24. Distributor O Ring: ( Parts of Engine )

Distributors regularly utilize an explicitly sized O-ring that fits on the distributor’s shaft to seal it with the engine referred to or alluded to as the Distributor O-ring. The Distributor O-ring simply seals the distributor housing with the engine to forestall oil leaks at the base of the distributor.

25. Cylinder Head-cover: ( Parts of Engine )

Cylinder head covers effectively serve to seal off the cylinder head space from an external perspective of the engine. In view of the operational activity of the internal combustion engine, Blow-by gases from the combustion process and oil drops from the lubricant system of the engine are accessible within the cylinder head.

26. Rubber Grommet: ( Parts of Engine )

Rubber grommets are utilized to safeguard or cover holes and decrease vibration. Inserting or embedding a rubber grommet will assist with eliminating sharp edges and safeguard the engine valve to pass through a hole. The rubber grommet will assist with protecting the valve from any kind of damage.

27. Camshaft Pulley: ( Parts of Engine )

A cam pulley is essential and fundamental for the timing system in an engine used to control the pace or speed of rotation of the camshaft, the part that controls the poppet valves liable for air intake and exhaust in the cylinders. The cam pulley effectively with the timing chain to rotate or pivot the camshaft in synchronicity with the crankshaft.

28. Timing Belt Drive Pulley: ( Parts of Engine )

The Timing belt Driven pulley is one of the essential part of car’s engine. It plays a significant part in keeping the piston from striking the valves, in an interference engine. A Timing belt is typically a toothed belt with comprises of teeth on one or either side of the surface. The teeth or pockets apparently of the pulley are not used for power transmission. Crankshaft belt pulleys are utilized when two shafts should be precisely connected or associated for homogeneous pivot.

29. Water Pump: ( Parts of Engine )

The water pump pushes coolant from the radiator through the coolant system, further into the engine and back around to the radiator. The heat that the coolant got from the engine is further transferred to the air at the radiator. If there is no water pump in car engine, the coolant simply sits in the system. Nowadays, Modern water pumps are considerably more strong, however there is as yet an chance it could fail after numerous years or miles.

30. Oil Pan Drain Bolt: ( Parts of Engine )

The oil drain plug is typically located on the lower part of the engine on the oil pan. It is utilized to drain the oil out of your pan during an oil change. In the event that you notice a leak at the oil plug, at times it very well may be basically as simple as replacing the gasket. In the event that the bolt or oil skillet has been cross-strung, you might require another oil drain plug. Now and again, an oversized oil drain plug will cut new threads to assist you with trying not to replace the entire oil pan.


The engine is the core of your car. It keeps it alive and running. Car engines might appear to be complicated, yet their task is simple, to propel your vehicle forward. With such countless parts working together to create this motion or movement, your vehicle should get appropriate maintenance to ensure its life span. Regularly scheduled oil changes, fluid flushes, and changing belts and hoses at the prescribed time is an extraordinary method for forestalling the unfortunate situation of a failed engine.

Image Source: – partsofacarengine

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