Replacing your Perkins filters needs to be part of your maintenance regime.

All filters have the same primary purpose – to keep unwanted debris and other material out of the working parts of the engine. Any material not caught by a filter can potentially damage the engine and, at the very least, compromise its efficiency.

Within your engine, there are three important filters designed to prevent debris from entering the engine along with the media that needs to go into it.

In many cases, filters are small and inexpensive but, in common with anything to do with regular maintenance, servicing them is vital. Each engine will come with its own schedule of how often they need to be changed, based either on running hours or the length of time since the last change.

Progressive decline

The consequences of not changing the filter regularly are initially seen in poor engine performance and this is a progressive path. Eventually, unchanged filters will fail and the substances you have been trying to keep out of the engine will enter it, causing damage that will cost many times the sums you may have saved by not changing the filter.

Filters fit into three broad categories:

  • Air filters keep the air entering the piston as clean as possible. This is important in the combustion process because you need to gain the maximum power output from every compression cycle, and especially important where dust and grit is in the atmosphere, such as quarries and enclosed spaces
  • Fuel filters work in a similar way. They ensure that the diesel fuel coming into the engine is free of contaminants. This is especially important when your machinery is operating remotely in sites where it cannot meet forecourt standards of cleanliness
  • Oil filters work within a closed circuit of the oil in your engine. They trap any unwanted particles in a fine mesh that still has enough space to allow the rest of the oil to flow unimpeded.

Your local distributor is a good source of information on filter maintenance regimes and can provide the latest updates on product improvements along with general advice on keeping your filters operating to their maximum efficiency.


Filters protect against contaminants

All Perkins engines use filters for oil, air, fuel and particulates. The filtering process is vital to keep the substances entering the engine as clean as possible, thereby maximising the efficiency of the engine and preventing it from breaking down as a result of dirt and other unwanted material entering it.

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Perkins filters come in all shapes and sizes

Fuel filters aid engine efficiency

Changing your Perkins fuel filters needs to be part of your maintenance regime. The fuel filter ensures that the fuel entering the chamber is as clean as possible. The consequences of contaminated fuel include fuel injection pump failure, dirty and blocked nozzles, excessive smoke and reduced engine performance.

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Fuel filters prevent contaminants getting into your engine

Oil filters need regular inspection

Changing your Perkins oil filters needs to be part of your maintenance regime. The oil filter plays a vital role in ensuring that the lubricants circulating around your engine and its allied parts are as clean as possible. The consequences of contaminated oil include wear on the engine caused by foreign bodies, which could lead to premature engine failure or major engine damage.

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Changing the oil filter regularly will maintain your engine’s efficiency

Air filter maintenance is essential

Changing your Perkins air filters needs to be part of your maintenance regime. The air filter ensures that the air entering the combustion chamber is as clean as possible. The consequences of contaminated air include wear on the engine caused by foreign bodies and a less efficient combustion process. Perkins air filters are covered by our 12 month warranty.

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Air filters keep your engine running efficiently

Filters help you clean up

The Diesel Particulate Filter (DPF) is an important part of the Tier 4 interim & final engine as it traps soot, ash and other particulates in your Perkins engine and it should receive regular attention as part of your routine maintenance programme. Unlike other filters, particulate filtersdeal with waste gases leaving the engine and the build-up of ash and soot can have serious consequences reducing the efficiency and effectiveness of your engine. These filters can be cleaned or replaced. All genuine Perkins filters are covered by a 12 month warranty.

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Particulate filters keep your engine legal

Cleaning your particulate filter

Cleaning of the exhaust particulate filter (DPF), which removes soot and other build-up from your Perkins engine, should be carried out at specified intervals as part of your routine maintenance programme. Unusually, this is one filter that can be cleaned, instead of simply replaced, depending on the model of your Perkins engine. Failure to clean it at the recommended intervals can stop your engine from working.

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Clean particulate filters help your engine meet emission standards