When replacing the filter element, it is necessary to simultaneously add a filter element threaded rod. One threaded rod is required per filter element, and the threaded rod can be reused (no need to add it repeatedly after the initial installation).

1-【HELFA040 AO/AA/AX/PF】 is corresponding for
71101001013 - KP filter element threaded rod, M6*156mm.

2-【HELFA060 AAR】is corresponding for
71101001012 - KP filter element threaded rod, M8*233mm.