This part generally degrades over the years. So rather than risk bits of rubber entering your fuel system, it would be better to replace this part as a matter of course. If this part needs replacing, it might be necessary, to replace other service items in your fuel-line. If you are not sure of your needs, take a look at our online catalogue for your machine, or where applicable our online 'parts list' fiche.
Note: this part is superseded by 16957ZE1812.
