Remanufactured Mercury & Mariner Outboard Long-Blocks (Short-Block + Cylinder Head)

OBParts offers high-quality professionally remanufactured long-block assemblies for Mercury and Mariner outboard engines. Our long-block assemblies include the short-block and cylinder head. Each long block is remanufactured, tested, and ready for installation to ensure reliable outboard performance. Based in Scottsville, KY, OBParts brings decades of expertise in outboard engine components and prides itself on fast service, high-quality parts, and excellent customer support for boaters worldwide.