Inboard & I/O Alternators Archives - Yamaha Lower Unit | Yamaha outboard lower unit aftermarket |

2″ Mount Kit

Converts Alternators With A 1″ Mounting Foot To A 2″ Mounting Foot.
Can Be Used with API Alternator #’s 20011, 20038, 20062-MD, 20062-PL,
20091, 20092, 20095, 20096

$30.00
API# 20054 Mando 12V, 55-AMP used on Mercruiser, OMC, Volvo & Others, 3-Wire Hook-up 2″ Mounting Ft.

Fits Mercruiser, OMC & Others.
Rplc. Merc #’s 12449, 817119A1, A4, 92497A3
Volvo #’s 3854809, 3854182, 3853853, 3850927, 3857298
Mando # Ac 155603
Rplc. Pcm # Ra097006
Internally Regulated, 55 Amp Neg. Ground
3-Wire Hook-Up, Tachometer Lead,
Supplied With A V-Pulley
Ignition Protected SAEJ1171
Red Wire Is For Sensor
Purple Wire Is For Excitation
Arco# 60050
OE# 92497A3
Sierra# 18-5966

$198.00
CAT 3208 & Other Applications 12V, 90-AMP Prestolite Style Alternator 2-Wire Hook-up, 1″ Mounting Fo

Fits Cat Engines
Rplc. Cat #’s 6T1396,796351 with Higher 90Amp Output
Arco# 60498
OE# 6T1396

$458.00
CAT 3208 & Other Applications 24V, 35-AMP Prestolite Style Alternator 2-Wire Hook-up, 1″ Mounting Fo

Motorola/Prestolite Style
Rplc. Cat #’s 6P1395, 6T1395
16mm Shaft Heavy Duty Bearings
For Marine Diesel Engines
Arco# 60197
OE# 6T1395

$498.00
Crusader & Many Others 12V 55-Amp Mando Style 2-Wire Hook-up, 3-Hole Adjustable Ear with a 1″ Mounti

Mando Style Alternator With A Universal
Mount. Fits Many Applications.
Rplc. Crusader #’s 39049, 39200
Motorola #’s 8MR2199K,
110-656, 110-679
Internally Regulated
Negative Ground
Supplied With A V-Pulley
3-Hole Adjustable Ear
1″ Mounting Foot Ignition Protected
2-Wire Hook-Up+ Tachometer Lead
Purple Wire Is For Excitation

Ignition Protected SAEJ1171
Arco# 60075
OE# 39200
Sierra# 18-6843

$218.00
Crusader 12V 105-Amp, 2″ Mounting Foot 6-Groove Serpentine Pulley

Key features: Designed for compatibility with PCM, Crusader, Indmar, Westerbeke, and various other marine engine applications. 105-Amp output ensures reliable power supply for your vessel’s electrical […]

$358.00
Crusader 12V 120-Amp, Internally Regulated 3-Wire Hook-up 1″ mounting Foot with a 3-Hole Adjustment

10-Si Style Alternator
1″ Mounting Foot, .5″ Diameter
Bolt Hole W/ 3-Hole Adjustment Ear
Ignition Projected SAE J1171
3-Wire Hook Up
Red Wire Is For Sensor
Black Wire Is For Excitation
Internally Regulated And Rectified
OE# 78403A2 Hi-Output replacement for older Mercruiser 1983-89 55Amp Motorola Alternators

$318.00
Crusader 12V 85-Amp, 2″ Mounting Foot 6-Groove Serpentine Pulley

Fits Crusader
Replaces Delco # 19020606
New Delco Style 7-SI Alternator Serpentine Pulley, 66mm
3-Wire Hook-Up, Tachometer Lead, Negative Ground, 70-Amp
Ignition Protected SAEJ1171
Can Replace API # 20057 Or # 20093 By Using API# WH7SI Adapter Plug
Arco# 20820
OE# 19020606
Sierra# 18-5984

FOR HIGHER OUTPUT USE API’S #20112-100A

$198.00
Crusader 12V 94-Amp, Internally Regulated 3-Wire Hook-up 1″ mounting Foot with a 3-Hole Adjustment B

Same as 20091, but this is a 94-Amp Alternator.
Ignition Protected SAEJ1171
1-Wire Hook-Up
Negative Ground
REPLACES CRUSADER 39200 with higher 94 amp output

$318.00
Crusader Alternator 12V 120-Amp with a Tach Terminal

Enhance the power and functionality of your marine engine with the Crusader 12V 120-Amp Alternator, complete with a Tach Terminal. This high-output alternator is designed to […]

$378.00
Cummins 12V 135-Amp 17-SI Style Alternator 4-Wire Hook-up

Upgrade your charging system with the Cummins 12V 135-Amp 17-SI Style Alternator, a reliable powerhouse for your electrical needs. Here are the key features: Delco 17SI […]

$278.00
Cummins 12V 135-AMP Delco Style 19-SI 4-Wire Hook-up

Delco Style 19SI 4-Wire Alternator Used On Cummins Diesel Engines Supplied With an 8 Groove Serpentine Pulley.
ALTERNATOR 21005 REPLACES # 21004 a 3-Wire Alternator, Cummins #3934778;3675254RX; 3675256RX Neg Ground.
REPLACES BOTH OE# 3934778 & 3934777

DELCO # 10459316; 10459469; 19009950; 19009952; 19009957

Cummins Numbers 4938604 & 5282840

$398.00
Delco 1-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

Fits Merc, OMC, Volvo,
& Many Others.
Rplc. Merc #’s 56045, 59755,
69729, 78403A1, A2
1-Wire Hook-Up
Ignition Protected SAEJ1171,
Neg. Ground
Arco# 20102
Sierra# 18-5950

$198.00
Delco 1-Wire 12V 94-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

Same Applications As 20051,
But This Is A 94-Amp Alternator.
1-Wire Hook-Up W/Neg. Ground
Ignition Protected SAEJ1171
OE# 849748

$238.00
Delco 10SI 12V 120-Amp 3-Wire Hook-up, can be used in many Applications where an Amperage Upgrade is

10-Si Style Alternator For
Marine Gasoline Engines.
2″ Mounting Foot
Integral Regulator
Ignition Protected SAEJ1171
3-Wire Hook-Up
Red Wire Is For Sensor
Black Wire Is For Excitation

$358.00