Gasoline Marine Alternators - OEM Stock Replacement Marine Alternators

Small Frame Alternator, 120 Amp
Your Price:
$298.99

Small Frame Alternator, 120 Amp

602-20036-T

Small Frame Alternator, 120 Amp 12v (Volt) w/Tach Lead

  • (New 12V, 120-AMP)
  • 10-SI Style Alternator for Marine Gasoline Engines
  • 2" Mounting Foot
  • Integral Regulator
  • Ignition Protected
  • 3-Wire Hook-up
  • Has Tach Lead

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Small Frame Alternator, 120 Amp
Your Price:
$226.99

Small Frame Alternator, 120 Amp

602-20038

Small Frame Alternator, 120 Amp 12v (Volt)

  • (New 12V, 120-AMP)
  • 10-SI Style Alternator
  • 1" Mounting Foot
  • 3-Hole Adjustment Ear uses 1/2" bolt
  • Ignition Protected
  • 3-Wire Hook-Up

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Small Frame Alternator, 55 Amp
Your Price:
$169.99

Small Frame Alternator, 55 Amp

602-20093

Small Frame Alternator, 55 Amp 12v (Volt)

  • (New 12V, 55-AMP)
  • Fits Mercruiser & Volvo
  • Serpentine Pulley
  • Rplc. Merc # 807652T
  • Rplc. Volvo # 3857813
  • 55 AMP, 3-Wire Hook-Up
  • Tachometer Lead
  • Neg. Ground
  • Ignition protected
  • Red Wire is for Sensor
  • Purple Wire is for Excitation
  • Use Replacement Voltage Regulator # VR-54

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Small Frame Alternator, 78 Amp
Your Price:
$226.99

Small Frame Alternator, 78 Amp

602-20091

Small Frame Alternator, 78 Amp 12v (Volt)

  • (New 12V, 78-AMP)
  • Universal Mount Delco Style 10 SI Alternator, fits many Applications
  • 3-Hole Adjustable Ear
  • 1" Mounting Foot, Neg. Ground
  • 1-Wire Hook-Up
  • Ignition protected

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Small Frame Alternator, 78 Amp
Your Price:
$197.99

Small Frame Alternator, 78 Amp

602-20020-DR

Small Frame Alternator, 78 Amp 12v (Volt)

  • (New 12V Alternator)
  • Delco style
  • Same mount & wire hook-up as API #20020 OE, Delco style unit
  • Is slightly larger in O/D than the O/E Valeo alternator
  • Ignition protected, Negative Ground

Note: Delco style may not fit all Volvo applications due to size difference

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Small Frame Alternator, 78 Amp
Your Price:
$211.99

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:
$140.99

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:
$169.99

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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Small Frame Alternator, 94 Amp
Your Price:
$169.99

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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Small Frame Alternator, 94 Amp
Your Price:
$226.99

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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Small Frame Alternator, Diesel Only, 120 Amp
Your Price:
$283.99

Small Frame Alternator, Diesel Only, 120 Amp

602-20028

Small Frame Alternator, Diesel Only, 120 Amp 12v (Volt)

  • (New 12V, 120-AMP)
  • 10-DN Style Alternator for Marine Diesel Engines
  • Dual Mounting Foot
  • Non-Regulated
  • Isolated Ground
  • Heavy Duty Diodes
  • Use with External Voltage Regulator # VR-1200
  • Fits most small Diesel engines including Yanmar, Perkins and others

For Diesel Engine Applications Only, NOT ignition protected, NOT SAE J1171 compliant, NOT for gasoline engine use. (SAE J1171 compliance specifically deals with external ignition protection of marine electrical devices in gasoline powered marine engines.)

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Small Frame Alternator, Mando 65-AMP
Your Price:
$169.99

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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Small Frame Alternator, Mercruiser, 70 Amp
Your Price:
$154.99

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:
$140.99

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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Small Frame Alternator, Volvo Mercruiser OMC, 78 Amp
Your Price:
$140.99

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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Universal Inboard 12V 120-Amp Alternator
Your Price:
$254.99

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:
$226.99

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:
$297.99

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:
$497.99

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:
$340.99