Sierra 18-7831 38 Universal Inline Fuel Filter Sierra fuel filters undergo extensive testing to ensure quality. Each Sierra Inline filter feature sonically sealed end caps and are approved for use with ethanol-based fuels. Sierra recommends checking your filters regularly and replacing them after very 50 hours of operation, or at a minimum of once per year preferably when you winterize. Will fit any engine with a 38 inch fuel line Interchangeable with Fram G15 G3 GLM 40160 JohnsonEvinrude Outboa