Osco provides OEM quality replacement marine manifolds, risers and accessories fitting today's most popular marine engines including Mercruiser, OMC, Volvo, Chrysler, Crusader, Barr, Marine Power, Pleasurecraft, Chris Craft and more.  Please visit our online catalog to view the entire range of top quality OSCO products.  Huge inventories guarantee that your parts are available when you need them.

We have developed a strong marine distributor network around the world that supplies thousands of dealers, marinas and boatyards with OSCO product. 

The next time you need a manifold or riser think of OSCO first for reasonable prices, top quality, and professional technical assistance.