Gasoline Marine Alternators - Heavy Duty & Performance Marine Alternators

94 Amp Single Wire Alternator
Your Price:
$169.99

Delco Style 94 Amp Single Wire Alternator

620-3147M

Delco Style 94 Amp 10SI Single Wire Alternator

New Delco style marine alternator. This model is satin finish. The 94 AMP has a single self-exciting one wire hook-up with a negative ground. Used in many applications including Mercruiser, Volvo and more. Replaces Mercruiser #47456A1 and #78403A2.


SAEJ1171 Alternator, Pleasurecraft, 12V, 70-AMP
Your Price:
$189.99

Delco Style Alternator, Serpentine, 12V, 70-AMP

620-3150

Delco Style Alternator, Serpentine, 12V, 70-AMP

  • NEW 12V, 70-AMP
  • Fits Pleasurecraft
  • 2" Mounting Foot
  • Includes 50mm Serpentine Pulley

Alternator, 100 Amp 7SI w/o Pulley
Your Price:
$379.99

Denso Style Alternator, 100 Amp 7SI without Pulley

620-3146

Alternator, 100 Amp 7SI without Pulley


Heavy Duty Brushless Alternator 12V 140-Amp used to replace Delco 21-30 SI & Leece Neville Alternato
Your Price:
$331.99

Heavy Duty Brushless Alternator 12V 140-Amp used to replace Delco 21-30 SI & Leece Neville Alternato

602-21006

Heavy Duty Brushless Alternator 12V 140-Amp used to replace Delco 21-30 SI & Leece Neville Alternato


High Output Inboard Alternator 12V 120-Amp Chrome
Your Price:
$314.99

High Output Inboard Alternator 12V 120-Amp Chrome

602-20036-CHR

High Output Inboard Alternator 12V 120-Amp Chrome


Mercruiser 12V 105-Amp Alternator High Output Replacement for  Merc #862031T
Your Price:
$264.99

Mercruiser 12V 105-Amp Alternator High Output Replacement for Merc #862031T

602-20099-100A

Mercruiser 12V 105-Amp Alternator High Output Replacement for Merc #862031T


Mercruiser 3.0L 1999-up 12V 105-Amp High Output Replacement for Merc #862030T
Your Price:
$264.99

Mercruiser 3.0L 1999-up 12V 105-Amp High Output Replacement for Merc #862030T

602-20110-100A

Mercruiser 3.0L 1999-up 12V 105-Amp High Output Replacement for Merc #862030T


Small Frame Alternator, 50 Amp
Your Price:
$275.99

Mercruiser 500EFI, 575SCI Replacement Small Frame Alternator, 50 Amp

620-3145

500EFI, 575SCI Replacement Small Frame Alternator, 50 Amp

  • Replaces Mercruiser 500EFI and 575SCI alternators as well as Mercury 2.5L EFI Race Outboard alternator.
  • Replaces Mercruiser #'s 834832T, 857006A3, 857006T
  • Ignition Protected SAEJ1171
  • Includes multi-groove Serpentine Pulley

Mercury O/B 2.5L 12V 50-Amp Serpentine Pulley, Replaces mercury alternator 889955a03-20840-18-6454
Your Price:
$314.99

Mercury O/B 2.5L 12V 50-Amp Serpentine Pulley, Replaces mercury alternator 889955a03-20840-18-6454

602-20116-OE

Fits: Mercury O/B 2.5L & Mercruiser
Factory Hi-Performance Engines
Rplc. Mercury #'s 881248T02,
875285T1, T2, T4, 889955T01
Delco #'s 19020703 & 19020706
Internal Fan
Includes Multi-Groove
4 Groove Serpentine Pulley
Ignition Protected SAEJ1171
Arco# 20840
Sierra# 18-6454

Mercury O/B 2.5L & Factory High Performance Mercruiser Engs. 12V 50-Amp Serpentine Pulley, Replaces mercury alternator 889955a03-20840-18-6454


Mercury O/B 2.5L 12V 50-Amp Serpentine Pulley, Replaces mercury alternator 889955a03-20840-18-6454
Your Price:
$181.99

Mercury O/B 2.5L 12V 50-Amp Serpentine Pulley, Replaces mercury alternator 889955a03-20840-18-6454

602-20116-AM

Fits: Mercury O/B 2.5L & Mercruiser
Factory Hi-Performance Engines
Rplc. Mercury #'s 881248T02,
875285T1, T2, T4, 889955T01
Delco #'s 19020703 & 19020706
Internal Fan
Includes Multi-Groove
4 Groove Serpentine Pulley
Ignition Protected SAEJ1171
Arco# 20840
OE# 8M8023423
Sierra# 18-6454

Mercury O/B 2.5L & Factory High Performance Mercruiser Engs. 12V 50-Amp Serpentine Pulley, Replaces mercury alternator 889955a03-20840-18-6454


Mercury Racing O/B 2.5L EFI Offshore 12V 50-Amp Serpentine Pulley, Replaces Merc #'s 834832T & 85700
Your Price:
$231.99

Mercury Racing O/B 2.5L EFI Offshore 12V 50-Amp Serpentine Pulley, Replaces Merc #'s 834832T & 85700

602-20302

Fits Mercury O/B & Mercruiser Factory
Hi Performance Engine 500EFI & 575SCI
Rplc. Merc #'s 857006A3, 857006T I,
834832 T
Ignition Protected SAEJ1171 2.5L Race O/B
EFI Offshore
Includes Multi-Groove
Serpentine Pulley
OE# 834832T2

 


PLUG/HARNESS FOR 3149M ALTERNATOR
Your Price:
$19.99

PLUG/HARNESS FOR 3149M ALTERNATOR

620-3149MW

PLUG/HARNESS FOR 3149M ALTERNATOR

This is a 2 wire harness and plug for the 620-3149M alternator.

Mando 65 Amp Marine Alternator
Your Price:
$179.99

Mando 65 Amp Marine Alternator, Mercury Replacement

620-3159M

Mando 65 Amp Marine Alternator

The Mando style marine alternator is Coast Guard approved and replaces your Delco type (reference no. 3856600). These feature non-corrosive elements for longer lasting life. 12 Volt, 65 Amp for Mercruiser, VolvoPenta, Universal Atomic 4 as well as others.
  • Replaces: Mercruiser # 805884T & 805447T
  • Red Wire is for Sensor
  • Purple Wire is for Excitation
  • Replacement Voltage Regulator # VR54

Mando Style Alternator - 12 Volt, 65 Amp, Single Pulley
Your Price:
$189.99

Mando Style Alternator - 12 Volt, 65 Amp, Single Pulley

620-3149M

Mando Style Alternator - 12 Volt, 65 Amp, Single Pulley

This marine alternator is Coast Guard approved and replaces your Delco type (reference No.3856600). These feature non-corrosive elements for longer lasting life. Replaces Pleasurecraft RA097007B, Delco 19020608. Internally regulated.

**This alternator requires a plug item #620-3149MW**


12 Volt, 55 Amp Alternator, Internal Regulator
Your Price:
$179.99

12 Volt, 55 Amp Alternator, Internal Regulator

620-3186M

Small Frame New Mando Alternator - 12 Volt, 55Amp for Mercruiser, VolvoPenta, Universal Atomic 4 as well as others. Internal Regulator, Negative Ground, Complete With Screens. USCG Approved and features non-corrosive elements.

  • 55 Amp Replaces
    Motorola nos.78403A2, 8MR2023F & 8MR2024F
    Mando # AC 155603
    Mercruiser #'s 12449, 817119A1, 817119A4 & 92497A3
    OMC #'s 3854182, 3853853, 3854809, 987774, 985465, 986008 & 988247
    Volvo #'s 3854809-5, 3854182-7, 3853853-4 & 3850927-9
    GM nos.78477 & 9793
    Crusader 39200
    Marine Power 1210-000
  • Red Wire is for Sensor
  • Purple Wire is for Excitation
  • Replacement Voltage Regulator # VR54

94 Amp Single Wire Chromed Marine Alternator
Your Price:
$269.99

Delco Style 94 Amp Single Wire Chromed Marine Alternator

620-3147M-NC

Delco Style 94 Amp 10SI Single Wire Chromed Marine Alternator

New Delco style chromed marine alternator. This model is satin finish. The 94 AMP has a single self-exciting one wire hook-up with a negative ground. Used in many applications including Mercruiser, Volvo and more. Replaces Mercruiser #47456A1 and #78403A2.


Prestolite 90 Amp Marine Alternator
Your Price:
$329.99

Prestolite 90 Amp Marine Alternator

620-3148

Prestolite 90 Amp Marine Alternator

This USCG approved Prestolite marine alternator is 100% new, not rebuilt, and features the latest in non-corrosive elements.


Delco Style 120 Amp Alternator
Your Price:
$289.99

Delco Style 120 Amp Alternator

620-7152MHD

If you're looking for the best alternator, then look no further as this is it! This all new delco style alternator whips out 120 amps at 12 Volts and requires a 3 wire hookup. USCG approved. Also available in Chrome.

Delco Style 120 Amp Chrome Alternator
Your Price:
$299.99

Delco Style 120 Amp Chrome Alternator

620-7152MHDC

If you're looking for the best alternator, then look no further as this is it! This all new delco style CHROME alternator whips out 120 amps at 12 Volts and requires only 3 wire hookup. USCG approved.