Marine Alternators

A bad alternator is real drain on your battery and your boating adventures. Find the right replacement alternator for your boat engine to get you charged up and ready for the water. Select from Balmar, API, Arco Marine, Quicksilver by Mercury and Sierra.

78 Products

$223.49
Small Frame Alternator, 24 volt, 60 amp, 20151-AM
SKU: 527316
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20151-AM
$1,047.90
Specialty Diesel Alternator, Volvo Penta, 24 Volt, 175 Amp, 20083
SKU: 77069
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20083
$157.50
Diesel Alternator, Hitachi-Style for Yanmar, 12 Volt, 80 Amp, 20107-HO
SKU: 199275
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20107-HO
$312.90
Diesel Alternator, Yanmar, Kohler & John Deere, 12 Volt, 40 Amp, 20135
SKU: 13548
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20135
$249.90
Small Frame Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025
SKU: 76778
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20025
$396.90
Small Frame Diesel Alternator, 12 Volt, 120 Amp, 20028
SKU: 76809
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20028
$354.90
Diesel Alternator, Perkins & Lehman, CAT, 12 Volt, 85 Amp, 20172
SKU: 13780
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20172
$522.90
Diesel Alternator, Westerbeke, 12 Volt, 40 Amp, 20122
SKU: 115558
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20122