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Opening Port Trim Kit, Lewmar 7-11/16" x 16-3/4"

Part #: Z4233
Replacement white plastic interior trim ring for round end opening ports.

To determine which port you have, measure the overall dimension of the aluminum frame
on the outside of the boat. This is always the most consistent and reliable dimension to use as the defining characteristic of the port.
Known Usage Aluminum Ports:
• (4 ea) Catalina 387
• (6 ea) Catalina 400 and Catalina 42
• (10 ea) Catalina 470

Known Usage Stainless Steel Ports:
• (4 ea) Catalina 315 and Catalina 355
• (6 ea) Catalina 400 and Catalina 42
• (8 ea) Catalina 375, Catalina 385, and Catalina 445
• (9 ea) Catalina 440
• (10 ea) Catalina 470

There may be other uses we are not aware of. They were also not used every year the boat was produced.
Lewmar New Standard Size 7RE Trim Kit

The trim ring will likely have to be trimmed to the correct depth as these boats were hand made and the thickness of the fiberglass varied from one to the next.
Dimension of Ports:
• Outside of mounting flange (measured on the outside of the boat): 425mm x 191mm (about (16-3/4" x 7-11/16")
• Cut out size: 405mm x 171mm (about 15-15/16" x 6-3/4")

Please note that these ports are built in England and made to metric system standard dimensions. All Imperial equivalents are approximate.