Gasoline Marine Alternators - OEM Stock Replacement Marine Alternators

Small Frame Alternator, 78 Amp
Your Price:
$273.99

Small Frame Alternator, 78 Amp

602-20037

Small Frame Alternator, 78 Amp, 12v (Volt), 20037. Fits Acadia, Crusader, Lathrop, OMC, Owens, Starrett, Universal and Chrysler

  • Replaces:
    Prestolite #'s ALK 5201, 5202, 5203, 5204, ALF 5201, ANE 5201, 5202
    Universal # 275753
    Chrysler #'s 3527501, 3527502
    OMC # 379761
  • Internally Regulated
  • 1-Wire Hook-Up w/ Neg. Ground
  • Ignition Protected
  • Replacement Voltage Regulator For original Prestolite Alternator use # VR726

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Small Frame Alternator, 78 Amp
Your Price:
$181.99

Small Frame Alternator, 78 Amp

602-20053

Small Frame Alternator, 78 Amp 12v (Volt)

  • (New 12V, 78-AMP)
  • Fits Mercury, OMC, Volvo & others
  • Can replace Mando & Motorola
  • Replaces Merc #'s 78477, 78403A 2
  • Delco Style, 10SI, Ignition Protected
  • 3-Wire Hook-Up w/ Neg. Ground
  • Red Wire is for Sensor
  • Black Wire is for Excitation
  • 20053 can be interchanged with 20054

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Small Frame Alternator, 94 Amp
Your Price:
$291.99

Small Frame Alternator, 94 Amp

602-20092

Small Frame Alternator, 94 Amp 12v (Volt)

  • (New 12V, 94-AMP)
  • Same as 20091, but this is a 94 AMP Alternator
  • Ignition Protected
  • 1-Wire Hook-Up
  • Neg. Ground

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OEM to API Part Number Cross Reference


Small Frame Alternator, 94 Amp
Your Price:
$218.99

Small Frame Alternator, 94 Amp

602-20090

Small Frame Alternator, 94 Amp 12v (Volt)

  • (New 12V, 94-AMP)
  • Same as 20053, but this Alternator is 94 AMP w/ Neg. Ground, 3-Wire
  • Ignition Protected
  • Red Wire is for Sensor
  • Black Wire is for Excitation

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OEM to API Part Number Cross Reference


Small Frame Alternator, 94 Amp
Your Price:
$218.99

Small Frame Alternator, 94 Amp

602-20075

Small Frame Alternator, 94 Amp 12v (Volt)

  • (New 12V, 94-AMP)
  • Same Applications as 20051, but this is a 94 AMP Alternator
  • 1-Wire Hook-Up w/ Neg. Ground
  • Ignition Protected

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OEM to API Part Number Cross Reference


Small Frame Alternator, Mando 65-AMP
Your Price:
$218.99

Small Frame Alternator, Mando 65-AMP

602-20057

Small Frame Alternator, (New Mando 12V, 65-AMP), Replaces Mercruiser # 807653T, Serpentine Pulley

  • (New Mando 12V, 65-AMP)
  • Replaces Mercruiser # 807653T
  • Serpentine Pulley
  • 65 AMP
  • Ignition protected
  • 3-Wire Hook-Up, Tachometer Lead
  • Red Wire is for Sensor
  • Purple Wire is for Excitation
  • Replacement Voltage Regulator # VR-54

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OEM to API Part Number Cross Reference


Small Frame Alternator, Mercruiser, 70 Amp
Your Price:
$199.99

Small Frame Alternator, Mercruiser, 70 Amp

602-20099

Small Frame Alternator, Mercruiser, 70 Amp 12v (Volt)

  • 12V, 70 Amp alternator fits Mercruiser 1999-up
  • Replaces Merc #862031T
  • Dual mounting feet
  • Serpentine pulley
  • Internal cooling fan

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Small Frame Alternator, Mercury Mercruiser, 70 Amp
Your Price:
$181.99

Small Frame Alternator, Mercury Mercruiser, 70 Amp

602-20119

Small Frame Alternator, Mercury Mercruiser, 70 Amp 12v (Volt)

  • 12V, 70 AMP
  • Fits Mercruiser 4.3-6.2L
  • Replaces Mercury # 863077T
  • Delco # 19020612
  • Internal fan
  • Includes 50-mm multi-groove serpentine pulley

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OEM to API Part Number Cross Reference


Small Frame Alternator, Volvo Mercruiser OMC, 78 Amp
Your Price:
$181.99

Small Frame Alternator, Volvo Mercruiser OMC, 78 Amp

602-20051

Small Frame Alternator, Volvo Mercruiser OMC, 78 Amp, 12v (Volt)

  • (New 12V, 78-AMP)
  • Fits Merc, OMC,Volvo, & many others
  • Rplc. Merc #'s 56045,59755, 69729, 78403A 1, A 2
  • 1-Wire Hook-Up
  • Ignition Protected
  • Neg. Ground

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OEM to API Part Number Cross Reference


Universal Inboard 12V 120-Amp Alternator
Your Price:
$328.99

Universal Inboard 12V 120-Amp Alternator

602-20035-UNI

Universal Inboard 12V 120-Amp Alternator


Volvo 12V 70-Amp  2" Mounting Foot 6-Groove 50mm Serpentine Pulley, Replces Volvo # 3884950
Your Price:
$291.99

Volvo 12V 70-Amp 2" Mounting Foot 6-Groove 50mm Serpentine Pulley, Replces Volvo # 3884950

602-20127

Fits Volvo 12V 70 Amp 2" Mounting Foot 6 Groove 50MM Serpentine Pulley

OE# 3884950


Volvo Penta D1-13, D1-20, D1-30, D2-40, D2-55 D4-250, D6-310 & D6-435 2001-up 12V 115-Amp Saddle Mou
Your Price:
$383.99

Volvo Penta D1-13, D1-20, D1-30, D2-40, D2-55 D4-250, D6-310 & D6-435 2001-up 12V 115-Amp Saddle Mou

602-21056

Volvo Penta D1-13, D1-20, D1-30, D2-40, D2-55 D4-250, D6-310 & D6-435 2001-up 12V 115-Amp Saddle Mou


Volvo Penta D1-13A B2005-2007, D1-20A B 2005-2007 12V 115-Amp Saddle Mount 5-Groove 65mm Serpentine
Your Price:
$639.99

Volvo Penta D1-13A B2005-2007, D1-20A B 2005-2007 12V 115-Amp Saddle Mount 5-Groove 65mm Serpentine

602-21061

Volvo Penta D1-13A B2005-2007, D1-20A B 2005-2007 12V 115-Amp Saddle Mount 5-Groove 65mm Serpentine


Volvo Penta D3-110 12V 140-Amp 6-Groove 57mm Serpentine
Your Price:
$438.99


Volvo Penta D4-180
Your Price:
$639.99

Volvo Penta D4-180

602-21060

12Volt 115 Amps Fits: Volvo D1, D2, D4, & D6 Engines
OE# 3840181 & 3803911
Mitsubishi #A3TR0093


Volvo Sterndrive 12V 60-Amp Valeo Style Alternator
Your Price:
$181.99

Volvo Sterndrive 12V 60-Amp Valeo Style Alternator

602-20020-60A-AM

New Valeo Style 60AMP Will Replace # A13N234
Insulated Ground

Ignition Protected SAEJ1171
Rplc. Volvo # 873770; 872235; 872018;858839; 858838; 841766; 841378; 834625

Arco# 80108
Sierra# 18-5939


Yanmar 3JH, 4JH, 6LY, 4LH & 6CX Engs. 12V 80-Amp Hitachi Style Alternator, Replaces Yanmar #119573-7
Your Price:
$181.99

Yanmar 3JH, 4JH, 6LY, 4LH & 6CX Engs. 12V 80-Amp Hitachi Style Alternator, Replaces Yanmar #119573-7

602-20107-HO

Hitachi Style
Hitachi-Style Alternator
For Use On Diesel Engines
Rplc. Hitachi # LR180-03C
Fits Yanmar 3Jh, 4Jh, 6Ly,
4LH & 6CX. This Alternator
Can Be Replaced By API #'s
20025 Or 20109
Supplied With A
Tachometer Connection
Isolated Ground
Arco# 84150
OE# 129470-77200
Sierra# 18-6278