Sierra International 18-7831 Fuel Filter Sierra Fuel Filter Size: 3/8" or 9.5mm Sierra part number: 18-7831 Interchangeable with the following: Fram G15, G3, GLM 40160, Evinrude/Johnson 398319, Mallory 9-37960, Mercury 802128A1, 802128, OMC 3852224, Wix 33033 Fit specific, check part numbers to ensure proper fit