18-5957 - Alternator, 78403A2, 68 Amp

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Sierra Marine

Replaces OEM #0988247.

18-5957  ALTERNATOR (3-Wire) (No Core) (68 AMP) Replaces: Mercury 78477, 78403A2, 92497A3 OMC982364, 983424, 983836, 985466, 986008  

Replaces:  Mando, Motorola and original equipment Delco. Uses same electrical connections and mounting method.  Equipped with fan and drive pulley. - SAE J1171

Warranty (PDF)
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Sierra Marine Wagner Alt is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.