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How to Replace the Fuel Filter in the Mazda 3?

Model: Mazda 3 MK 2, BL - Years 2009-2013
Part: Diesel fuel filter

In this tutorial, you will see how to replace the fuel filter in the Mazda 3, a very simple operation. Before proceeding, ensure that the engine is completely cold. Start by opening the bonnet, then disconnect the negative terminal of the battery and remove the engine cover. Next, unscrew the bolts securing the indicated bracket, disconnect both the sensor connector and the fuel pipes, and unscrew the additional bolts of the filter support. At this point, you can remove the filter from the housing, insert the replacement, and reassemble everything.

Updated on 21 June 2026 by ScegliAuto

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