For late Mercruiser, OMC. 12 volt, 63 amp. Internal regulator. Negative ground. Complete with screens. GM No. 78477, 9793. Motorola No. 78403A2, 8MR2023F, 8MR2024F. Fits Mando Marine 82 and up.
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If you want really good alternators, you can try this New Inboard Alternator, for late Mercruiser, OMC. It's unbelievable!
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