NLA-108-418-00 Top Seal for Early Pierburg fuel pump used on 356A and 356B

This seal goes underneath the tip cover of the early fuel pump. Before replacing this seal, you should be sure the cover is not distorted by over-tightening of the top bolt.

This seal is included in the rebuild kit: NLA-108-903-00

And while you're at it, you might replace the top bolt seal -- see: NLA-108-421-00