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A piston transfers the force from the expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod.

Cylinder liners provide a wear-resistant surface for the piston to slide against and maintain the seal with piston rings.

The connecting rod connects the piston to the crankshaft, converting the reciprocating motion into rotary motion.

The crankshaft converts the reciprocating motion of the pistons into rotational motion that drives the propeller shaft and ultimately the ship's propeller.

Fuel injectors deliver a mist of fuel directly into the engine's combustion chamber at the precise moment for ignition.

A turbocharger increases the air intake pressure by using the engine's exhaust gases to drive a turbine, which in turns powers a compressor.

A camshaft operates the intake and exhaust valves in synchronization with the movement of the piston, controlling the engine's breathing process.

Engine valves control the flow of gases into and out of the combustion chamber; intake valves allow air and fuel mixture in, while exhaust valves let exhaust gases out.

The exhaust manifold collects exhaust gases from multiple cylinders and directs them towards the exhaust outlet, and eventually to the turbocharger or out of the ship.

The propeller shaft transmits the rotational motion from the engine’s crankshaft to the propeller, allowing the ship to move through water.

The propeller converts rotational motion from the propeller shaft into thrust, pushing the ship through the water.

Piston rings provide a seal between the piston and the cylinder wall, helping to maintain compression within the chamber and control oil consumption.

The engine block is the main structure of an engine that houses the cylinders, and other components, providing structural integrity to the entire assembly.

The cylinder head closes the top of the cylinder, forming the combustion chamber and housing intake and exhaust valves, fuel injectors, and spark plugs in some engines.

The oil pan serves as the reservoir for the engine's lubricating oil and helps to cool the oil as it collects heat from the engine before being recirculated.

The oil pump circulates engine oil from the oil pan to the other components of the engine, providing lubrication and reducing friction.

Engine bearings reduce friction between the rotating shafts and the stationary parts of an engine, such as between the crankshaft and its support structure.

The fuel pump delivers fuel from the storage tank to the engine's fuel injection system at the required pressure for combustion.

Also known as an intercooler, it cools the compressed air from the turbocharger before it enters the engine, increasing the air's density and improving combustion efficiency.

The air filter cleans the intake air from impurities such as dust and debris before it enters the engine, protecting internal components.

The EGR valve recirculates a portion of the engine's exhaust gas back to the intake air for combustion, reducing nitrogen oxide emissions.

The rocker arm transmits motion from the camshaft to open and close the valves as the camshaft rotates.

Also known as a wrist pin, the gudgeon pin connects the piston to the small end of the connecting rod, allowing the piston to pivot as it moves.

The flywheel stores rotational energy from the engine to smooth out the power delivery and maintain a consistent engine speed during operation cycles.