Factory first.....always.
go to www.catalina27.org and check for the part in the downloadable parts manual. Page 13. Call the factory for a price. Here's a price list from the same website:http://www.catalina27.org/public_pages/c27parts2003.htm Then compare with CatalinaDirect's price. http://www.catalinadirect.com/index.cfm?currentpage=2&fuseaction=category.display&category_id=58