Sierra 18-5697 Brush and Spring Set Sierra Brush and Spring Set Meets or exceeds the original equipment quality Sierra part number: 18-5697 Interchangeable with the following: Arco BK900, Chrysler F15164, 74384, Evinrude/Johnson 385952, Mercury 75384, 57390, 63292, 753841, 898265016, Mercury 75384