PLASTIC FUEL TANK WITH SUPPORTING ELEMENT

The present invention relates to a plastic fuel tank (10) for a vehicle, the plastic fuel tank (10) comprising: - a bottom part (14) and a top part (12); - at least one side wall (16) extending between the bottom part (14) to the top part (12); - at least one supporting element (18), wherein the at least one supporting element (18) has an elongated shape and comprises a longitudinal axis, comprises a first end side and a second end side in its axial ends, comprises a flange (24) at the first end side or the second end side, wherein the flange (24) comprises a flange width, and is arranged between the bottom part (14) and the top part (12); - wherein the top part (12) or the bottom part (14) comprises an integrated receiving structure for receiving the flange (24) of the supporting element (18), wherein the receiving structure is formed by the top part (12) or the bottom part (14), and forms a stepped cavity comprising a first cavity (28) and a second cavity.