Marine Surplus offers a continually changing inventory of new Mainship Original Equipment Manufacturer (OEM) boat parts and factory components, including hardware, hatches, lighting, canvas, seating, upholstery, trim pieces, interior components, and other hard-to-find factory replacement parts. Known for comfortable cruising yachts, practical designs, and quality craftsmanship, Mainship has earned a loyal following among recreational boaters. We sell only new surplus OEM parts—not used or salvaged items. If you don't see the Mainship part you need, contact us and we'll check our inventory.