SECO - Production and trade of spare parts for MAN, Himsen, MaK and Wartsila power plant and marine diesel engines. With more than 50 years of experience in developing and producing pistons up to 500 mm in diameter, SECO is looking back upon a long tradition in the manufacturing of spare parts -like pistons and cylinder liners- for Marine Diesel- and Power Plant Diesel engines. After the German reunification in 1990, several engine manufacturers and their licensees approved SECO as OEM supplier. Since 2005, we have extended our range of products and services substantially. This also includes the production of cylinder liners, connecting rods, valve seat rings and many more engine spare parts. In addition, we are able to offer a wide selection of high-quality spares such as valves, rotocaps, injection equipment, filters and gaskets - Made in Germany -