Help identifying gasket part for S30 hatches on 1998 Oceanis 400

Apr 20, 2025
1
Beneteau Oceanis 400 Three Mile Harbor, East Hampto
I have done a painful amount of research to find the correct gaskets for my Beneteau hatches. I have not been able to match the hatch model on my boat to any standard Lewmar product. On the Beneteau parts website, I believe the hatches are identified as "HATCH S30 LP GN ALU P.GRY" and "990555 (Replacing 025901)." Or maybe "HATCH S54 LP GN ALU P.GRY", "071886". I have compared pictures of the Lewmar 30 and 54 LP I can find online, and they do not match the images attached to this post. FWIW, the diagrams on the Benetesu parts website attempting to show hatch locations are basically unreadable. Any help is appreciated.
 

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Last edited:
Jun 21, 2004
2,761
Beneteau 343 Slidell, LA
the hatches are identified as "HATCH S30 LP GN ALU P.GRY" and "990555 (Replacing 025901)." Or maybe "HATCH S54 LP GN ALU P.GRY", "071886". The diagrams on the parts website are terrible. Any help is appreciated.
Hatch S30 or S54 indicates the Lewmar designated hatch size (obviously very important), The "LP" indicates that it is a "low profile" hatch.
Sometimes you can find the hatch identifier that is inscribed on the lens; It would be located on the perimeter of the lens. If you need more help, I would contact Hatch Masters for information & they have all the spare parts for rebuilding.