All Important Parts of a Car’s Engine

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car engine
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Despite the fact that an engine is made up of several elements, we’ve produced a list of the most crucial parts and what they do to power your car.

Engine block

The enormous containers that house the cylinder and its internal parts, intake and exhaust channels, coolant tubes, crankcases, and other internal components are known as engine blocks (sometimes referred to as cylinder blocks). The cylinder block and crankcase make up the engine block. One or two pieces can be used to create an engine block. 


Among other related systems, pistons are found in reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders, and pneumatic cylinders. It is the moving part that is enclosed in a cylinder and sealed off from the gas by piston rings.

Engine Valves

Engine valves are mechanical devices used in internal combustion engines to control the flow of gas or liquid into and out of the cylinders or combustion chambers while the engine is running. Typically, there are either two (one intake and one exhaust) or four valves used for each cylinder (two intake and two exhaust). 

Oil Pan

The oil pan is a crucial, albeit straightforward, part of the engine’s lubricating system. The oil pan, which is fixed to the engine’s bottom, stores the oil that will be pumped through various engine components to keep them lubricated and reduce friction, ensuring that everything runs smoothly and avoiding damage.

Combustion chamber

The region of the cylinder where the fuel/air mixture ignites is known as a combustion chamber. The fuel/air combination is compressed by the piston and ignited when it comes into contact with the spark plug, pushing the mixture out of the combustion chamber as energy.


The intake manifold, which consists of a number of tubes, makes sure that the air entering the engine is dispersed evenly throughout all of the cylinders. During the initial phase of combustion, this air is utilised. Additionally, the intake manifold aids in cylinder cooling, which keeps the engine from overheating.

Cylinder Head

The engine’s cylinder head is located at the top. Its function is to create the combustion chamber by sealing the top of the cylinder. The housing for the valve gear and spark plugs is also formed by the head. There are intricate coolant and oil passages inside the cylinder head.

Crank Shaft

In a piston engine, a crankshaft is a mechanical part that transforms the reciprocating action into rotational motion. The connecting rods and pistons drive the crankshaft, which is a spinning shaft with one or more crankpins.


The intake and exhaust valves of a cylinder are turned on by the camshaft. A first lobe will open the intake valve, while a second lobe will open the exhaust valve. The valves will open and close at the proper times when the shaft revolves.

Timing belt

Your engine’s camshafts are governed by the timing belt, which opens and closes valves at precisely the appropriate times for smooth operation. The camshaft is turned in time with the crankshaft by the timing belt’s teeth.

Spark Plugs

The spark that ignites the air/fuel mixture and causes the explosion that gives your engine power comes from spark plugs. These tiny, straightforward plugs produce an electrical arc between two leads that are not in contact but are close enough to one another for energy to jump the distance between them.

Connecting Rod

Typically, con-rod is used to refer to the connecting rod. Rotational motion is converted to reciprocating motion by the crankshaft con-rod mechanism. To send combustion pressure to the crankpin, the con-rod joins the piston to the crankshaft.

Cylinder Liner

One essential component that makes up the engine interior is a cylinder that is attached to the engine block to form the cylinder. Although some nations (businesses) refer to them as cylinder sleeves, they are more commonly referred to as cylinder liners in Japan.

Piston Ring

Piston rings, to put it simply, create a seal between the piston and cylinder wall that keeps pressured combustion gases out of the oil sump. By preventing too much oil from entering the combustion chamber and burning, they also control the amount of oil used.


In internal combustion engines with spark ignition and mechanically timed ignition, a distributor is an enclosed spinning switch. The primary duty of the distributor is to send high voltage electricity from the ignition coil to the spark plugs in the proper firing sequence and for the proper duration.

Camshaft pulley

A cam pulley is a component of the timing system for the engine that regulates the speed of the camshaft, the part of the timing belt that controls the poppet valves that govern air intake and exhaust in the cylinders.

Oil filter

As the oil in your car engine maintains it clean over time, the oil filter aids in removing impurities that may build up over time. It’s crucial to have clean motor oil since, if left unfiltered for a while, it could become laden with microscopic, hard particles that can wear down engine surfaces.


One of the most crucial parts of an automotive engine is the flywheel. It is a mechanical apparatus created primarily to store rotational energy (kinetic energy). Its magnitude is proportional to the square of its mass and rotating speed.

Head gasket

In order for your car to create the proper compression that is required to sustain your engine power, the head gasket performs a key part in closing the combustion chamber of the engine. Additionally, it stops coolant or oil from leaking somewhere else, guarding against engine overheating and fire.

Crank Case

The “body” that unites the other engine components is the crankcase. The biggest component of the engine needs to be both robust and light. The brothers made the crankcase out of aluminium to keep the weight down. The foundry in Dayton where the crankcase was cast.

Water pump

In an engine, the water pump’s primary function is to control temperature and guard against overheating. It uses a network of pipes to push water and coolant through the engine block and cylinder head, the engine’s primary body, taking away heat before it enters a radiator.

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