The Main Parts Of A Diesel Fuel System

Rodolfo Schellin

The fuel system is an important part of any diesel engine. Without it, you aren’t going anywhere. If you’re planning to go on the road or have an interest in the mechanics behind diesel vehicles, this guide will help you learn more about the parts that make up the fuel system.

Fuel Water Separator

If too much water gets into a diesel fuel system, it will run inefficiently. A fuel water separator is a filtration unit that helps remove excess water from the vehicle’s fuel before it gets into other parts of the engine.

Fuel Pumps

Diesel systems are so large that they can’t easily pump fuel themselves, so they have an extra pump to help them along. The fuel pump works under pressure to suction fuel from the tank and spread it through the systems and lines to reach the injection pump. Making sure this works means checking the system, such as an airdog fuel pressure system, from time to time.

Fuel Injector

The fuel injector turns diesel fuel into a spray via the atomization process. From there, the fuel spreads into the system’s combustion chamber. This part of the system contains a nozzle holder and nozzle, as well as a set of compression springs that use shims to adjust the nozzle’s opening pressure.

Fuel Filters

Finally, one of the main parts of a diesel fuel system is its fuel filters. The filters remove water, dust, and pieces of debris that make their way into the vehicle’s fuel supply. By filtering out foreign objects, the filter makes sure the fuel works well and keeps the fuel pressure even. The filter must not get too hot, so it needs to be outside of the engine compartment and away from heat.

If you are purchasing new components for a diesel fuel system, make sure you buy from an experienced company. This helps you avoid bad parts and keeps your vehicle on the road for longer.

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