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Discount Marine Source is your complete source for Marine Alternators. We cary a complete line of inboard alternators and outboard alternators. All alternators are brand new and exact replacements for you OEM alternator. We carry alternators from all major manufactuers and after market suppliers icluding but not limited to MerCruiser, Mercury Marine, Sierra, Chris Chraft, Force, Vovlo, & Westerbeke just to name a few.

PLEASE SELECT YOUR ENGINE MANUFACTURER BELOW


Chris Craft Chrysler Crusader Marine Power
Mercruiser OMC Pleasure Craft Marine Universal
Voltage Regulator Volvo Penta Westerbeke
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Inboard Alternator
Inboard Alternator
12 Volt 70 Amp Alternator
  • Self exciting
  • Internal regulator
  • Ignition protection screens
  • Negative ground
  • 1-wire connection
  • Single groove pulley included
  • Replaces Mecruiser 56045 59755 69729
    		•
     
    Part # ARC-20102
    Regular Price: $190.84
    On Sale For: $157.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp Alternator
  • Fits Crusader Indmar Pleasurecraft
  • Internal Fan
  • 2 inch mounting foot
  • Single Groove Pulley Included
    		•
     
    Part # ARC-20825
    Regular Price: $259.84
    On Sale For: $214.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp Alternator
  • Ignition protection screens
  • Internal regulator
  • Negative ground
  • 2-wire plug
  • Single groove pulley included
    		•
     
    Part # ARC-20104
    Regular Price: $195.44
    On Sale For: $161.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Replacement Mercruiser Alternator 12 Volt 70AMP
  • Fits Mercruiser 4.3L-8.2L 1998-up
  • Internal Fan
  • 65-mm multi-groove
  • Serpentine pulley included
    •  
    Part # ARC-20800
    Regular Price: $250.64
    On Sale For: $207.05 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp Alternator
  • Fits Mercruiser 4.3L-6.2
  • Internal Fan
  • 50-mm multi-groove
  • Serpentine pulley included
    		•
     
    Part # ARC-20815
    Regular Price: $250.64
    On Sale For: $207.05 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp Alternator
  • Fits Indmar Crusader PleasureCraft
  • Internal Fan
  • 50-mm serpentine pully included
    		•
     
    Part # ARC-20821
    Regular Price: $259.84
    On Sale For: $214.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp Alternator
  • Fits PleasureCraft
  • Internal Fan
  • 65-mm serpentine pully included
  • 2 inch mounting foot
    		•
     
    Part # ARC-20822
    Regular Price: $263.29
    On Sale For: $217.50 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Chrysler Marine Replacement Alternator 12 Volt 61AMP
  • Fits Chrysler Marine Prestolite
  • Used on Chrysler LM318 M340 M360 M383 M400 M440 engines from 1971 to 1985
  • Replaces: 3527501 3527502 3744870
  • Internal regulator
  • Negative ground
  • Single groove pulley included
  • This single wire unit eliminates the need for the original external voltage regulator
    		•
     
    Part # ARC-40112
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt Alternator
  • Fits Chris Craft Prestolite
  • Negative ground
  • Single groove pulley included
    		•
     
    Part # ARC-40115
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    New Alternator
  • Fits Pleasurecraft Waukesha
  • Negative ground
  • Single groove pulley included
    		•
     
    Part # ARC-40147
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 61 Amp Alternator
  • Internal regulator
  • Fits OMC
  • Negative ground
  • Single groove pulley included
    		•
     
    Part # ARC-40152
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 55 Amp Alternator (Mando)
  • Fits late model Mercruiser Mando
  • Internal regulator
  • AR60050 includes single groove pulley
  • For multi groove serpentine pulley model order AR60055
  • Replaces Merc 12449 817119A1 817119A4 92497A3 98555 98155A1
  • Replaces Marine Power 1210-000
    		•
     
    Part # ARC-60050
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 55 Amp Alternator (Mando)
  • Fits late model Mercruiser Mando
  • Internal regulator
  • AR60055 includes multi groove serpentine pulley
  • For single groove pulley model order AR60050
  • Replaces Merc 12449 817119A1 817119A4 92497A3 98555 98155A1
  • Replaces Marine Power 1210-000
    		•
     
    Part # ARC-60055
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 65 Amp Alternator New (Mando)
  • Fits late model Mercruiser Mando
  • Internal regulator
  • Multi groove serpentine pulley included
    		•
     
    Part # ARC-60060
    Regular Price: $259.84
    On Sale For: $214.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Replacement Mando Alternator for Late model Mercruiser Engines
  • Fits late model Mercruiser Mando
  • Internal regulator
  • Single groove pulley included
    		•
     
    Part # ARC-60065
    Regular Price: $259.84
    On Sale For: $214.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 65 Amp Alternator(Mando)
  • Fits late model Volvo Penta
  • Internal regulator
  • Multi groove serpentine pulley included
    		•
     
    Part # ARC-60072
    Regular Price: $279.39
    On Sale For: $230.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Universal Alternator 12 Volt 55AMP
  • Motorola with 1
  • mounting foot and 3-ear adjustment
  • Universal alternator with many engine applications
  • Internal regulator
  • Single groove pulley
  • Includes tachometer terminal indicator light terminal and remote battery sensing terminal
  • Replaces Crusader CRU39200 and Yamaha 19-1400-10
    		•
     
    Part # ARC-60075
    Regular Price: $256.39
    On Sale For: $211.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 51 Amp Alternator
  • New Motorola
  • Integral regulator
  • Negative ground
  • Single groove pulley included
    		•
     
    Part # ARC-60104
    Regular Price: $256.39
    On Sale For: $211.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 51 Amp Alternator
  • Fits universal and others
  • New
  • Integral regulator
  • Negative ground
  • Single groove pulley included
    		•
     
    Part # ARC-60108
    Regular Price: $256.39
    On Sale For: $211.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 55 Amp Alternator New
  • Fits late model Volvo Penta
  • Integral regulator
  • Pulley not included
    		•
     
    Part # ARC-80108
    Regular Price: $503.64
    On Sale For: $416.05 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 50 Amp Alternator
  • Fits Westerbeke
  • Single groove pulley included
  • Internal regulator
    		•
     
    Part # ARC-86050
    Regular Price: $247.19
    On Sale For: $204.20 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-20100
    Regular Price: $181.64
    On Sale For: $150.05 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp Alternator
  • Ignition protection screens
  • Self exciting
  • Adaptor for 2" 3" mounting
  • 1-wire connection
  • Single groove pulley included
    •  
    Part # ARC-20500
    Regular Price: $186.24
    On Sale For: $153.85 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-20600
    Regular Price: $186.24
    On Sale For: $153.85 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-20700
    Regular Price: $179.34
    On Sale For: $148.15 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-20810
    Regular Price: $250.64
    On Sale For: $207.05 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp New Alternator
  • Fits Crusader Indmar and Pleasurecraft
  • 2" mounting foot
  • Internal Fan
  • 65-mm multi-groove
  • Serpentine pulley included
    		•
     
    Part # ARC-20820
    Regular Price: $259.84
    On Sale For: $214.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 70 Amp New Alternator
  • Fits Marine Power Engines
  • Internal Fan
  • 2 inch mounting foot
  • Double Groove Pulley Included
    		•
     
    Part # ARC-20830
    Regular Price: $294.34
    On Sale For: $243.15 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 50 Amp New Alternator
  • Fits 2.5L Mercury Outboards
  • Internal Fan
  • 2 inch mounting foot
  • Multi-Grove serpentine Pulley Included
    		•
     
    Part # ARC-20840
    Regular Price: $400.14
    On Sale For: $330.55 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 50 Amp New Alternator
  • Fits 3.0L Mercury Outboards
  • Internal Fan
  • Multi-Grove serpentine Pulley Included
  • Will not replace 821663A-1
    		•
     
    Part # ARC-20850
    Regular Price: $400.14
    On Sale For: $330.55 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    New Inboard Alternator
  • Fits Late model Volvo Penta
  • 12 volt 65 AMP Mando
  • Internal regulator
  • 2 inch mounting foot
  • Multi groove serpentine pulley included
    		•
     
    Part # ARC-60071
    Regular Price: $279.39
    On Sale For: $230.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 105 Amp Alternator New
  • High amp low R.P.m
  • Integral regulator
  • Isolated ground
  • Self exciting
  • Includes tachometer terminal
  • External voltage adjustment
  • Single groove pulley included
  • 1" mounting foot
  • 1/2" hole
    		•
     
    Part # ARC-60121
    Regular Price: $493.29
    On Sale For: $407.50 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 105 Amp Alternator New
  • High amp low R.P.m
  • Integral regulator
  • Isolated ground
  • Self exciting
  • Includes tachometer terminal
  • External voltage adjustment
  • Single groove pulley included
  • 2" mounting foot
  • 3/8" hole
    		•
     
    Part # ARC-60122
    Regular Price: $493.29
    On Sale For: $407.50 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 105 Amp Alternator New
  • Fits Volvo Penta
  • High amp low R.P.m
  • Integral regulator
  • Isolated ground
  • Self exciting
  • Includes tachometer terminal
  • External voltage adjustment
  • Single groove pulley included
  • 2" mounting foot
  • 10mm hole
    		•
     
    Part # ARC-60124
    Regular Price: $493.29
    On Sale For: $407.50 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-60126
    Regular Price: $509.39
    On Sale For: $420.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    24 Volt 75 Amp Alternator New
  • Prestolite/Motorola
  • Integral regulator
  • Isolated ground
  • 7" casing
  • Pulley not included
    		•
     
    Part # ARC-60150
    Regular Price: $564.59
    On Sale For: $466.40 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-60160
    Regular Price: $509.39
    On Sale For: $420.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-60170
    Regular Price: $1,076.34
    On Sale For: $889.15 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-60175
    Regular Price: $862.44
    On Sale For: $712.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-60180
    Regular Price: $862.44
    On Sale For: $712.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 65 Amp Alternator New
  • Prestolite/Motorola
  • Integral regulator
  • Negative ground
  • 7" casing
  • Pulley not included
  • Poly V pulley available seperately
    		•
     
    Part # ARC-60195
    Regular Price: $425.44
    On Sale For: $351.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-60197
    Regular Price: $420.84
    On Sale For: $347.65 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 51 Amp Alternator New
  • Fits Caterpillar diesel 6t1396
  • Integral regulator
  • Isolated ground
  • Heavy duty bearings
  • Pulley not included
    		•
     
    Part # ARC-60198
    Regular Price: $469.14
    On Sale For: $387.55 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 105 Amp Alternator New
  • High AMP replacement alternator
  • 1" mounting foot
  • Pulley not included
    		•
     
    Part # ARC-60498
    Regular Price: $509.39
    On Sale For: $420.80 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    New Inboard Alternator
  • Fits Late model Volvo Penta
  • 12 volt 75 AMP high output Mando
  • Internal regulator
  • 2 inch mounting foot
  • Single groove pulley included
    		•
     
    Part # ARC-65050
    Regular Price: $287.44
    On Sale For: $237.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    New alternator 12 volt 75 amp internal regulator 2-inch mounting foot multi-groove serpentine pulley included fits late model Mercruiser Mando style
     
    Part # ARC-65055
    Regular Price: $287.44
    On Sale For: $237.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-65108
    Regular Price: $287.44
    On Sale For: $237.45 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    Inboard Alternator
     
    Part # ARC-80200
    Regular Price: $477.19
    On Sale For: $394.20 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 75 Amp Alternator New
  • Fits Lehman Perkins
  • Comes with regulator
  • Single groove pulley included
    		•
     
    Part # ARC-83160
    Regular Price: $424.29
    On Sale For: $350.50 
     
    Quantity:   
    Inboard Alternator
    Inboard Alternator
    12 Volt 35 Amp Alternator
  • Fits Yanmar Diesel
  • Hitachi marine
  • Single groove pulley included
    		•
     
    Part # ARC-84135
    Regular Price: $235.69
    On Sale For: $194.70 
     
    Quantity:   
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