Seamaster Marine is committed to customer service and provides the following product warrantees. Rebuilt Engines for pleasure boats are warranted for 6 months. Rebuilt Engines for Commercial use are warranted for 30 days. These warrantees cover all major components ONLY. Overheated engined are NOT covered under ANY warranty. If engine failure were to occur, Seamaster Marine reserves the right to either ship a replacement unit or repair the existing engine at our shop. Seamaster Marine, LLC is not responsible for engine removal, haul-out, installs, down time or freight.