Sierra International 18-5131 Capacitor Discharge Ignition CDI 18-5131. 9 HP (1984-1995) 15 HP (1984-1995) and C25 (1990-1997) engines. It is interchangeable with CDI 117-695-11 Mercury Marine 43077M 43066T 96450M and Yamaha Outboard 695-85540-10-00...
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