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Alternators & Regulators for Marine Engines

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.

56 Products

$181.67
ONLINE ONLY
Alternator Marine Power AEJ1171, 12 Volt, 70 Amp, Double V-Groove Pulley, 471200, 471201 & 4711210
SKU: 12620
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Mfr: API Marine, Inc
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Mfg# 20118
Alternator - Marine Power 402001
SKU: 158963
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Mfr: Sierra / Seastar Solutions
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Mfg# 18-6299
$198.33
ONLINE ONLY
Alternator Universal & PCM Engine, 12 Volt, 55 Amp, V-Groove Pulley, 2" Foot, Repl. 288182, 288759
SKU: 12580
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Mfr: API Marine, Inc
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Mfg# 20111
$198.33
ONLINE ONLY
Alternator, Mercury Verado, 12 Volt, 85 Amp, 6-Groove 50mm Serpentine Pulley, Merc #892940
SKU: 13612
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Mfr: API Marine, Inc
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Mfg# 20115
$270.00
ONLINE ONLY
Alt Mercury 3.0L O/B, SAEJ1171, 12V 50 Amp Serp. Pulley Merc #881247A1, 875286A1, 889956 & 8M0066
SKU: 13700
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Mfr: API Marine, Inc
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Mfg# 20117OE
From: $1,151.61
621-Series Alt/Reg Kit, Single Foot, J10 Pulley, MC Regulator
Mfr: Balmar
$3,327.04
98-Series Alternator, Extra Large Case, 12 Volt, 310 Amp or 24 Volt, 220 Amp, HEAVY DUTY
Mfr: Balmar
$321.93
ONLINE ONLY
Mercury Quicksilver, Mercruiser Delco Alternator, 863077T
SKU: 293586
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Mfr: Quicksilver by Mercury
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Mfg# 863077T
$1,054.11
Balmar 621-Series, 12 volt, 70 Amp Alternator - Single Pulley
Mfr: Balmar
From: $945.79
621-Series, Single Foot, Dual Pulley, ARS Regulator
Mfr: Balmar
From: $945.79
621-Series Alt/Reg Kit, Single Foot, K6 Pulley, ARS Regulator
Mfr: Balmar
From: $1,129.94
621-Series Alt/Reg Kit, Single Foot, J10 Pulley, ARS Regulator
Mfr: Balmar
From: $989.11
621-Series Alt/Reg Kit, Single Foot, Single Pulley, MC Regulator
Mfr: Balmar
From: $989.11
621-Series, Alt/Reg Kit, Single Foot, Dual Pulley, MC Regulator
Mfr: Balmar
From: $989.11
621-Series Alt/Reg Kit, Single Foot, K6 Pulley, MC Regulator
Mfr: Balmar
$231.67
ONLINE ONLY
Small Frame Alternator, 24 volt, 60 amp, 20151-AM
SKU: 527316
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Mfr: API Marine, Inc
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Mfg# 20151-AM
$712.86
ONLINE ONLY
Specialty Diesel Alternator, Volvo Penta, 24 Volt, 175 Amp, 20083
SKU: 77069
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Mfr: API Marine, Inc
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Mfg# 20083
$167.92
ONLINE ONLY
Diesel Alternator, Hitachi-Style for Yanmar, 12 Volt, 80 Amp, 20107-HO
SKU: 199275
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Mfr: API Marine, Inc
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Mfg# 20107-HO
$248.33
ONLINE ONLY
Diesel Alternator, Yanmar, Kohler & John Deere, 12 Volt, 40 Amp, 20135
SKU: 13548
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Mfr: API Marine, Inc
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Mfg# 20135
$115.00
ONLINE ONLY
Small Frame Alternator, Yanmar, replaces LR 140-132, 12 Volt, 35 Amp, 121370-77200
SKU: 156245
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Mfr: API Marine, Inc
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Mfg# 20106
$198.33
ONLINE ONLY
Small Frame Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025
SKU: 76778
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Mfr: API Marine, Inc
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Mfg# 20025
$270.00
ONLINE ONLY
Small Frame Diesel Alternator, 12 Volt, 120 Amp, 20028
SKU: 76809
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Mfr: API Marine, Inc
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Mfg# 20028
$241.43
ONLINE ONLY
Diesel Alternator, Perkins & Lehman, CAT, 12 Volt, 85 Amp, 20172
SKU: 13780
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Mfr: API Marine, Inc
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Mfg# 20172
$398.57
ONLINE ONLY
Delco Style Alternator, Diesel Only, Cat Caterpillar, 24 or 32 volt, 75 or 100 amp, 20079, 20085
SKU: 77028
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Mfr: API Marine, Inc
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Mfg# 20079