attwood 11841-4 Universal 10-Micron Fuel/Water Separator Filter with Double Gasket Double seal for enhanced performance Convenient, universal 3/8 inch ports 10 micron replacement capability With double seal. Universal 3/8" ports. Replacement for: mercury 35-60494-1, aqua power 6031 GLM 24940, sierra 18-78250, SMI 15494, valmar 52113, marpac -0872