Filter insert for a fuel filter with three-stage filtration

A filter insert for use in a fuel filter comprising:

• a filter medium that is permeable to a fuel-water mixture, the filter medium being a cylindrical, hollow construction and having a longitudinal axis;
• an end disc that has a fuel outlet for filtered fuel to flow out of the fuel filter;
• a support dome provided inside the filter medium, the support dome constructed such, that the fuel-mixture flows through it;
• a coalescer for coalescing water droplets, the coalescer provided downstream of the filter medium;
• a separator provided within the filter medium as a separate component, the separator serving to separate water out of the fuel-water mixture;
• and
• a carrier to which the separator is affixed and that is provided within the support dome;
• wherein the carrier is held in place along the longitudinal axis of the filter medium by the support dome and the end disc and forms a radial seal with an adjacent component;
• wherein the filter medium is cohesively bonded to the end disc and the support dome is not affixed to the end disc.