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

$160.29
Small Frame Alternator, Mercruiser, 12 Volt, 70 Amp, 20099
SKU: 100616
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20099
$175.00
Small Frame Alternator, Mercruiser, 12 Volt, 70 Amp, 20110
SKU: 115672
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20110
$270.00
Small Frame Alternator, 12 Volt, 60 Amp, 20302
SKU: 165932
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20302
From: $198.57
Small Frame Alternator, 12 volt, 78 & 120 amp, 20020 DR
Mfr: STERNDRIVE ENGINEERING
$175.00
Small Frame Alternator, 12 Volt, 55 Amp, 20093
SKU: 76916
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20093
$160.29
Alternator, Pleasurecraft, SAEJ1171, 12 Volt, 70 Amp, 20124
SKU: 12636
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20124
Alternator - Pleasurecraft RA097007B, Indmar 575011
SKU: 158927
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Mfr: Sierra / Seastar Solutions
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Mfg# 18-5984
$263.23
Alternator - Indmar 575010, Pleasurecraft RA097007B
SKU: 158954
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Mfr: Sierra / Seastar Solutions
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Mfg# 18-6288
$212.86
API, Volvo Alternator, SAEJ1171, 12 volt, 70 amp, 20121
SKU: 12692
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20121
$152.31
Small Frame Alternator, Volvo, 12 volt, 60 amp, 2002060A
SKU: 488562
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20020-60A-AM
$160.29
Diesel Alternator, Westerbeke, 12 Volt, 50 Amp, 20108
SKU: 161107
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20108
$175.00
Diesel Alternator, Kubota Engines, 12 Volt, 40 Amp, 20310
SKU: 13532
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20310
$318.00
Diesel Alternator, Volvo Penta, 24 Volt, 35 Amp, 20149
SKU: 13892
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Mfr: STERNDRIVE ENGINEERING
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Mfg# 20149
$945.79
Balmar 621-Series, 12 volt, 70 Amp Alternator - Single Pulley
SKU: 196053
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Mfr: Balmar
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Mfg# 621-VUP-70-SV
$1,136.03
621-Series Alt/Reg Kit, Single Foot, J10 Pulley, MC Regulator
SKU: 486418
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Mfr: Balmar
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Mfg# 621-VUP-24-70- J10
$223.29
Universal Alternator, 12 Volt 55 AMP
SKU: 206044
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Mfr: Arco Marine
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Mfg# 60075
$236.49
12 Volt 51 Amp Alternator
SKU: 206046
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Mfr: Arco Marine
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Mfg# 60108
$481.76
12 Volt 105 Amp Alternator, New
SKU: 206012
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Mfr: Arco Marine
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Mfg# 60122
$243.52
12 Volt 65 Amp Alternator New, Mercruiser
SKU: 206038
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Mfr: Arco Marine
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Mfg# 60060
$247.20
12 Volt 70 Amp Alternator, Mercruiser 4.3L-6.2
SKU: 206051
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Mfr: Arco Marine
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Mfg# 20815
$175.47
Alternator Diesel 12V 61 Amp
SKU: 254907
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Mfr: Arco
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Mfg# 20100