This oil tank assembly is a direct replacement for Mercury Outboard 200, 225, 250, and 300 HP engines. It is made with OE quality materials and comes with a 60-day warranty. Interchangeable with part numbers 830889A4, 830889A10, 830889A1, 1270-8M0119508, 8M0064073, and 818456A1, this oil tank assembly is designed for easy installation. It is an OE/OEM part that guarantees a perfect fit. Ensure your boat runs smoothly with this high-quality oil tank assembly.