Replaces: Johnson/Evinrude/OMC/BRP; Sierra: 18-2178 Years Used: 1973 - 1986 Fits: OMC Stringer 1.6L-3.0L, 100-140 Hp | 4.3L V6, 150-155 Hp 5.0-5.7L, V8 intermediate housing and upper gearcases.