Fuel filter support: role, symptoms and cost

The diesel filter support contains a filter element that traps impurities in the fuel that can damage the injection system and the engine. Depending on the vehicle, it is sometimes necessary to change it together with the filter itself.

⚙️ What is a diesel filter holder?

Legas oil filter your vehicle serves to trap all dirt and impurities suspended in the fuel to prevent them from entering the engine. Thus, it prevents clogging of the carburetor and injection system, prolonging the life of the engine.

LaHigh pressure pump takes fuel from the tank and sends it through the diesel filter. Then it passes through the circuit and thus enters the injection. The diesel filter is a wear part that needs to be replaced. every 60 kilometers approximately, although some are installed for life on the last cars.

The diesel filter is in a box with several names. It is called, in particular, a filter holder or fuel filter holder.

Thus, the role of the diesel filter support is to support the filter element. It also prevents diesel fuel from leaking, which can lead to vehicle breakdown. It is usually plastic, but it can also be metal.

Depending on your car model, the diesel filter support must be replaced along with the filter cartridge or not. On some vehicles, the diesel filter itself can be removed from the holder and therefore replaced by yourself. In this case, the cost of the change will be lower.

Therefore, on these vehicles, the diesel filter support can only be replaced if it is damaged. It is not a wearing part by itself: it is a filter element that needs to be replaced periodically on some vehicles in accordance with the manufacturer's recommendations in the service log.

🔎 What are the symptoms of HS diesel filter holder?

Most diesel filters need to be replaced periodically, although some modern fuel filters are now fitted to vehicles for life. However, the diesel filter support does not always need to be replaced with a filter cartridge: it depends on your vehicle!

On the other hand, it is obvious that it is necessary to replace the diesel filter support if it is damaged. In both cases, several symptoms will indicate to you that your diesel filter support has failed:

• Significant increase fuel consumption ;
• Loss of engine power ;
• Fuel smell ;
• Difficulty starting the car ;
• Dirty diesel filter support ou visible fuel leak at its joints.

A damaged diesel filter holder also exposes you to the risk of breakage: in fact, a fuel leak is the cause of increased fuel consumption, but it can also cause you to run out of diesel fuel. Therefore, replace the diesel filter support as soon as possible.

📍 Where can I find the fuel filter holder?

You can buy a diesel fuel filter holder in special shop in automotive parts, but also on large e-commerce sites, and so in car center (Midas, Feu Vert, Norauto ...). To pay less, you can also, for example, buy a used one.

💰 How much does the diesel filter holder cost?

The price of a diesel filter holder varies depending on the model and your vehicle. If the first prices start around 40 €, on average it takes about 80 €... The diesel filter holder includes a filter element.

Add to this price the labor cost of replacing the diesel filter support. The operation takes longer than a simple filter change.

Now you know everything about the diesel filter holder! As you can see, its role is essential to the longevity of your engine. So go through our comparator in the garage to replace it in time and save the injection!