A work machine component including a cavity formed in the component and having an extension axis, an opening for the cavity placed at an outer surface of the component, a support body having an axial extension axis parallel to the extension axis of the cavity and inserted in the cavity. The support body includes, at a first axial end, a top surface and at least one housing seat configured to receive a wear sensor. The housing seat includes a top wall placed at a distance along the axial extension axis from the top surface of the support body. A wear sensor is housed in the housing seat.