Fuel filter Audi A4

The fuel filter of your Audi A4 needs to be replaced regularly to avoid your engine getting damaged from the particules present in the fuel tank.

If your vehicle has a diesel engine, you will need to order a Audi A4 diesel filter. If the engine uses petrol, you need a petrol filter for your A4. Easy enough, you’d think! Not quite. Always check on the product description which type of fuel filter is concerned to avoid ordering the wrong type by mistake.

Certain Audi A4 fuel filters are sold in the form of a simple filter element and others have a metal casing. Understandably the latter tend to be considerably more expensive but they are also a lot more effective!