Yamaha - Packing kit - 68F-1410B-00-00Yamaha Cylinder Head Anode Grommet Engine Corrosion Protection Component 67F 11328 00 00 Overview Small sealing parts inside a Yamaha outboard often do more work than people realize. The Yamaha Cylinder Head Anode Grommet 67F 11328 00 00 helps secure and seal the internal engine anode so it can properly protect the cooling passages from corrosion. Without a good grommet, water can seep where it shouldnt and the anode may not sit correctly in the