Gasoline Marine Alternators - OEM Stock Replacement Marine Alternators

Replacement alternator used on 2001 2011 Mercury 75-115 HP Engines.
This alternator is a 12 Volt, 50-amp alternator and comes with a 4-groove pulley.

This Denso Style Alternator
& Wire Harness
Will Also Replace
Delco Alternator #'s
19020704 & 19020707
API #20117

Mercury Verado 2005-2009 135-300 HP 12V 85-Amp 6-Groove 66mm Serpentine Pulley, Replaces Merc #89294

OMC Chrysler Inboard Alternator 12V 94-Amp

PCM, Crusader, Indmar, Westerbeke & Others, 12V 105-Amp 2" Mounting Foot V-Groove Pulley

Perkins 12V 65-Amp Saddle Mount, Replaces Perkins #2871A166

Fits Pleasurecraft
2" Mounting Foot
Includes 50mm Serpentine Pulley
20124
New 12V, 70-Amp
Fits Pleasurecraft
2" Mounting Foot
Includes 65mm Serpentine Pulley
OE# 475738

Arco# 20826
OE# RA097009
Sierra# 18-6452

SAEJ1171 Alternator, 12V, 105-AMP

• NEW 12V, 105-AMP
• Ignition Protected SAEJ1171
• Self Exciting
• Integral Regulator
• Isolated Ground
• Tachometer Terminal
• 2" Mounting Foot
• Supplied with Fan, no Pulley
• Replaces Arco # 60124

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, 12V, 120-AMP w/Tachometer Lead

• NEW 12V, 120-AMP
• 10SI Style Alternator
• 1" Mounting Foot .5" Diameter Bolt w/ 3-Hole Adjustment Ear
• Ignition Protected SAEJ1171
• 3-Wire Hook-Up
• 20038T has Tachometer lead

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, 12V, 50-AMP

• NEW 12V 50-AMP
• 3.0L DFI Engines 200/225 H.P.
• Rplc. Merc # 828506
• Ignition Protected SAEJ1171
• Includes multi-groove Serpentine Pulley

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, 12V,70-AMP

• NEW 12V, 70-AMP
• Can Rplc. API # 20057 or # 20093 by using API # WH7SI adaptor plug
• Supplied with a Serpentine pulley
• Ignition Protected SAEJ1171

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, 12V, 94-AMP

• NEW 12V, 94-AMP
• Delco Style Alternator
• Same mount and wire hook-up as API # 20020 OE, Delco style unit is slightly larger in O/D than the O.E. Valeo alternator
• Ignition Protected SAEJ1171
• Negative Ground

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, 8.1L GM, 12V, 120-AMP

• NEW 12V, 120-AMP
• Fits 8.1L GM Blocks
• 120-Amp Output Serpentine pulley
• Alternator can replace # 20097 when a power upgrade is desired
• Ignition Protected SAEJ1171
• Red Wire is for Sensor
• Black Wire is for Excitation

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, Marine Power, 12V, 70-AMP

• NEW 12V, 70-AMP
• Fits: Marine Power
  Rplc. #'s 471200, 471201, 4711210
  Delco # 19020616
• Internal Fan
• Includes double pulley
• Ignition Protected SAEJ1171

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, Mercruiser, OMC, Volvo, 12V, 94-AMP

• NEW 12V, 94-AMP
• Same Applications as 20051, but one wire hook-up
• 1-Wire Hook-Up w/Neg. Ground
• Ignition Protected SAEJ1171
• 20075T has Tachometer lead

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, Mercury, 12V, 50-AMP

• NEW 12V, 50-AMP
• Fits: Mercury O/B 3.0L
• Rplc. Mercury #'s 881247A1, 875286A1, 889956
• Delco #'s 19020704, 19020707
• Internal Fan
• Includes multi-groove
• Serpentine Pulley
• Ignition Protected SAEJ1171

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, Mercury, 12V, 70-AMP

• NEW 12V, 70-AMP
• Fits Mercury Verado
• Rplc. Merc # 892940
• Delco # 19020618
• Ignition Protected SAEJ1171
• Includes multi-groove Serpentine Pulley

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OEM to API Part Number Cross Reference

SAEJ1171 Alternator, Universal Engine, 12V, 55-AMP

• NEW 12V, 55-AMP
• Fits Universal Engines
• Rplc. Universal #'s 288182, 288759
• Single V-Groove Pulley

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SAEJ1171 Alternator, Volvo 8.1L Engine, 12V, 70-AMP

• NEW 12V, 70-AMP
• Ignition Protected SAEJ1171
• Fits Volvo 8.1L Engines
• Rplc. Volvo # 3862613
• Dual 2" Mounting Feet
• Serpentine Pulley

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OEM to API Part Number Cross Reference