Alternator for Mercury 857006T, 875285T1, 881248T, 889955, 19020703 400-12306
Alternator for Mercury 857006T, 875285T1, 881248T, 889955, 19020703 400-12306
Alternator for Mercury 857006T, 875285T1, 881248T, 889955, 19020703 400-12306
Alternator for Mercury 857006T, 875285T1, 881248T, 889955, 19020703 400-12306
Alternator for Mercury 857006T, 875285T1, 881248T, 889955, 19020703 400-12306

Alternator for Mercury 857006T, 875285T1, 881248T, 889955, 19020703 400-12306

Item #: 400-12306

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DB Electrical alternators are highly engineered for excellence in performance.
  • Built to Beat the Heat: High temperature epoxy and high temperature grease withstand extreme heat
  • Heavy-duty rectifiers and high-quality regulators enhance superior charging performance
  • Most alternators are supplied with final test results and performance curve
  • Direct-fit replacement and easy installation made possible with OEM fitment specifications
  • Factory direct, money-saving alternator typically priced substantially less than OEM counterparts
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  • Product Info
  • Applications List
  • Part Replacement List
  • Policy Information
  • Reviews

Overview

DB Electrical Alternators
DB Electrical keeps vehicles of every shape and size moving forward – from mowers, motorcycles and ATVs to automobiles, tractors, pickups and large commercial trucks. We work directly with factories to ensure each component is manufactured to our exacting quality control standards. But because there is no middleman, we can offer these exceptional-quality electrical components at low factory direct prices.

With DB Electrical alternators, you’ll get …

  • Superior Quality Every Time – Our aftermarket alternators deliver performance that’s equivalent to the original.
  • Direct-Fit OEM Replacement Parts – DB Electrical aftermarket alternators are designed for perfect fitment to replace the ones that originally came with your vehicle.
  • Engineer-Tested Excellence – Our alternators go through a rigorous testing program to ensure optimal performance. Most alternators are supplied with their final test results and performance curve.

Reasons to choose DB Electrical for your next alternator:

  • Built to Take the Heat – Most DB Electrical alternators offer high-temperature epoxy, heavy-duty rectifiers, high-quality regulators, top-quality bearings and high-temperature grease for better charging and longer life under high-heat environments.
  • Depth of Inventory – Find both common and hard-to-find alternators for virtually any type of vehicle to travel over road, trail or water.
  • Brand New Alternator – Never settle for a secondhand one. Many places will try to sell you a used alternator for about the price we’ll sell you a new one.

The DB Electrical Advantage – 1-Year Warranty
DB Electrical delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your alternator meets your expectations.

Item Number: 400-12306

100% Brand New Aftermarket Part From DB Electrical

Product Specs

Item ConditionAftermarket Part
Unit TypeAlternator
Voltage12
Amperage50
RegulatorIR

Applications List

Select Make & Type
MAKE TYPE MODEL YEAR ENGINE
MercruiserEngineModel 575SCI2000502cu in 8.2L 8 cyl
Mercury MarineEngine115CXL Optimax Saltwater20002.5L DFI
Mercury MarineEngine - Marine Outboard115CXL Optimax Saltwater2000
Mercury MarineEngine115L Optimax20002.5L DFI
Mercury MarineEngine - Marine Outboard115L Optimax2000
Mercury MarineEngine115L Optimax Saltwater20002.5L DFI
Mercury MarineEngine - Marine Outboard115L Optimax Saltwater2000
Mercury MarineEngine115XL Optimax Saltwater20002.5L DFI
Mercury MarineEngine - Marine Outboard115XL Optimax Saltwater2000
Mercury MarineEngine - Marine Outboard135CXL Bluewater Optimax1999
Mercury MarineEngine135CXL Optimax1999153cu in 2.5L
Mercury MarineEngine135CXL Optimax2000153cu in 2.5L
Mercury MarineEngine135CXL Optimax2001153cu in 2.5L
Mercury MarineEngine135CXL Optimax2002153cu in 2.5L
Mercury MarineEngine135CXL Optimax2003153cu in 2.5L
Mercury MarineEngine135CXL Optimax2004153cu in 2.5L
Mercury MarineEngine135CXL Optimax2005153cu in 2.5L
Mercury MarineEngine135CXL Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard135CXL Optimax2006
Mercury MarineEngine135CXL Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard135CXL Optimax2007
Mercury MarineEngine135CXL Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard135CXL Optimax2008
Mercury MarineEngine135CXL Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard135CXL Optimax2009
Mercury MarineEngine135CXL Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard135CXL Optimax2010
Mercury MarineEngine - Marine Outboard135CXL Optimax Saltwater2000
Mercury MarineEngine - Marine Outboard135CXL Optimax Saltwater2001
Mercury MarineEngine - Marine Outboard135CXL Optimax Saltwater2002
Mercury MarineEngine - Marine Outboard135CXL Optimax Saltwater2003
Mercury MarineEngine - Marine Outboard135CXL Optimax Saltwater2004
Mercury MarineEngine - Marine Outboard135CXL Optimax Saltwater2005
Mercury MarineEngine135L Optimax1999153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax1999
Mercury MarineEngine135L Optimax2000153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2000
Mercury MarineEngine135L Optimax2001153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2001
Mercury MarineEngine135L Optimax2002153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2002
Mercury MarineEngine135L Optimax2003153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2003
Mercury MarineEngine135L Optimax2004153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2004
Mercury MarineEngine135L Optimax2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2005
Mercury MarineEngine135L Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2006
Mercury MarineEngine135L Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2007
Mercury MarineEngine135L Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2008
Mercury MarineEngine135L Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2009
Mercury MarineEngine135L Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2010
Mercury MarineEngine135L Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard135L Optimax2011
Mercury MarineEngine - Marine Outboard135XL Bluewater Optimax1999
Mercury MarineEngine135XL Optimax1999153cu in 2.5L
Mercury MarineEngine135XL Optimax2000153cu in 2.5L
Mercury MarineEngine135XL Optimax2001153cu in 2.5L
Mercury MarineEngine135XL Optimax2002153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2002
Mercury MarineEngine135XL Optimax2003153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2003
Mercury MarineEngine135XL Optimax2004153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2004
Mercury MarineEngine135XL Optimax2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2005
Mercury MarineEngine135XL Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2006
Mercury MarineEngine135XL Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2007
Mercury MarineEngine135XL Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2008
Mercury MarineEngine135XL Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2009
Mercury MarineEngine135XL Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2010
Mercury MarineEngine135XL Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard135XL Optimax2011
Mercury MarineEngine1502006153cu in 2.5L
Mercury MarineEngine1502007153cu in 2.5L
Mercury MarineEngine1502008153cu in 2.5L
Mercury MarineEngine1502009153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Bluewater Optimax1999
Mercury MarineEngine150CXL Optimax1999153cu in 2.5L
Mercury MarineEngine150CXL Optimax2000153cu in 2.5L
Mercury MarineEngine150CXL Optimax2001153cu in 2.5L
Mercury MarineEngine150CXL Optimax2002153cu in 2.5L
Mercury MarineEngine150CXL Optimax2003153cu in 2.5L
Mercury MarineEngine150CXL Optimax2004153cu in 2.5L
Mercury MarineEngine150CXL Optimax2005153cu in 2.5L
Mercury MarineEngine150CXL Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Optimax2006
Mercury MarineEngine150CXL Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Optimax2007
Mercury MarineEngine150CXL Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Optimax2008
Mercury MarineEngine150CXL Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Optimax2009
Mercury MarineEngine150CXL Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Optimax2010
Mercury MarineEngine150CXL Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Optimax2011
Mercury MarineEngine - Marine Outboard150CXL Optimax Saltwater2000
Mercury MarineEngine - Marine Outboard150CXL Optimax Saltwater2001
Mercury MarineEngine - Marine Outboard150CXL Optimax Saltwater2002
Mercury MarineEngine - Marine Outboard150CXL Optimax Saltwater2003
Mercury MarineEngine - Marine Outboard150CXL Optimax Saltwater2004
Mercury MarineEngine - Marine Outboard150CXL Optimax Saltwater2005
Mercury MarineEngine150CXL Saltwater2003153cu in 2.5L
Mercury MarineEngine150CXL Saltwater2004153cu in 2.5L
Mercury MarineEngine150CXL Saltwater2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard150CXL Saltwater EFI2003
Mercury MarineEngine - Marine Outboard150CXL Saltwater EFI2004
Mercury MarineEngine - Marine Outboard150CXL Saltwater EFI2005
Mercury MarineEngine150L2003153cu in 2.5L
Mercury MarineEngine150L2004153cu in 2.5L
Mercury MarineEngine150L2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L EFI2003
Mercury MarineEngine - Marine Outboard150L EFI2004
Mercury MarineEngine - Marine Outboard150L EFI2005
Mercury MarineEngine150L Optimax1999153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax1999
Mercury MarineEngine150L Optimax2000153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2000
Mercury MarineEngine150L Optimax2001153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2001
Mercury MarineEngine150L Optimax2002153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2002
Mercury MarineEngine150L Optimax2003153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2003
Mercury MarineEngine150L Optimax2004153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2004
Mercury MarineEngine150L Optimax2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2005
Mercury MarineEngine150L Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2006
Mercury MarineEngine150L Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2007
Mercury MarineEngine150L Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2008
Mercury MarineEngine150L Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2009
Mercury MarineEngine150L Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2010
Mercury MarineEngine150L Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Optimax2011
Mercury MarineEngine - Marine Outboard150L Optimax2012
Mercury MarineEngine - Marine Outboard150L Optimax2013
Mercury MarineEngine - Marine Outboard150L Pro XS Optimax2011
Mercury MarineEngine - Marine Outboard150L Pro XS Optimax2012
Mercury MarineEngine - Marine Outboard150L Pro XS Optimax2013
Mercury MarineEngine - Marine Outboard150L Pro XS Optimax2014
Mercury MarineEngine150L Saltwater2003153cu in 2.5L
Mercury MarineEngine150L Saltwater2004153cu in 2.5L
Mercury MarineEngine150L Saltwater2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard150L Saltwater EFI2003
Mercury MarineEngine - Marine Outboard150L Saltwater EFI2004
Mercury MarineEngine - Marine Outboard150L Saltwater EFI2005
Mercury MarineEngine150XL2006153cu in 2.5L
Mercury MarineEngine150XL2007153cu in 2.5L
Mercury MarineEngine150XL2008153cu in 2.5L
Mercury MarineEngine150XL2009153cu in 2.5L
Mercury MarineEngine150XL2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Bluewater Optimax1999
Mercury MarineEngine - Marine Outboard150XL EFI2006
Mercury MarineEngine - Marine Outboard150XL EFI2007
Mercury MarineEngine - Marine Outboard150XL EFI2008
Mercury MarineEngine - Marine Outboard150XL EFI2009
Mercury MarineEngine - Marine Outboard150XL EFI2010
Mercury MarineEngine150XL Optimax1999153cu in 2.5L
Mercury MarineEngine150XL Optimax2000153cu in 2.5L
Mercury MarineEngine150XL Optimax2001153cu in 2.5L
Mercury MarineEngine150XL Optimax2002153cu in 2.5L
Mercury MarineEngine150XL Optimax2003153cu in 2.5L
Mercury MarineEngine150XL Optimax2004153cu in 2.5L
Mercury MarineEngine150XL Optimax2005153cu in 2.5L
Mercury MarineEngine150XL Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Optimax2006
Mercury MarineEngine150XL Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Optimax2007
Mercury MarineEngine150XL Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Optimax2008
Mercury MarineEngine150XL Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Optimax2009
Mercury MarineEngine150XL Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Optimax2010
Mercury MarineEngine150XL Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Optimax2011
Mercury MarineEngine - Marine Outboard150XL Optimax2012
Mercury MarineEngine - Marine Outboard150XL Optimax2013
Mercury MarineEngine - Marine Outboard150XL Optimax Saltwater2000
Mercury MarineEngine - Marine Outboard150XL Optimax Saltwater2001
Mercury MarineEngine - Marine Outboard150XL Optimax Saltwater2002
Mercury MarineEngine - Marine Outboard150XL Optimax Saltwater2003
Mercury MarineEngine - Marine Outboard150XL Optimax Saltwater2004
Mercury MarineEngine - Marine Outboard150XL Optimax Saltwater2005
Mercury MarineEngine - Marine Outboard150XL Pro XS Optimax2011
Mercury MarineEngine - Marine Outboard150XL Pro XS Optimax2012
Mercury MarineEngine - Marine Outboard150XL Pro XS Optimax2013
Mercury MarineEngine - Marine Outboard150XL Pro XS Optimax2014
Mercury MarineEngine150XL Saltwater2003153cu in 2.5L
Mercury MarineEngine150XL Saltwater2004153cu in 2.5L
Mercury MarineEngine150XL Saltwater2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard150XL Saltwater EFI2003
Mercury MarineEngine - Marine Outboard150XL Saltwater EFI2004
Mercury MarineEngine - Marine Outboard150XL Saltwater EFI2005
Mercury MarineEngine175CXL Optimax2003153cu in 2.5L
Mercury MarineEngine175CXL Optimax2004153cu in 2.5L
Mercury MarineEngine175CXL Optimax2005153cu in 2.5L
Mercury MarineEngine175CXL Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard175CXL Optimax2006
Mercury MarineEngine175CXL Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard175CXL Optimax2007
Mercury MarineEngine175CXL Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard175CXL Optimax2008
Mercury MarineEngine175CXL Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard175CXL Optimax2009
Mercury MarineEngine175CXL Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard175CXL Optimax2010
Mercury MarineEngine - Marine Outboard175CXL Optimax Saltwater2003
Mercury MarineEngine - Marine Outboard175CXL Optimax Saltwater2004
Mercury MarineEngine - Marine Outboard175CXL Optimax Saltwater2005
Mercury MarineEngine175L Optimax2001153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2001
Mercury MarineEngine175L Optimax2002153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2002
Mercury MarineEngine175L Optimax2003153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2003
Mercury MarineEngine175L Optimax2004153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2004
Mercury MarineEngine175L Optimax2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2005
Mercury MarineEngine175L Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2006
Mercury MarineEngine175L Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2007
Mercury MarineEngine175L Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2008
Mercury MarineEngine175L Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2009
Mercury MarineEngine175L Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Optimax2010
Mercury MarineEngine175L Pro XS Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2008
Mercury MarineEngine175L Pro XS Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2009
Mercury MarineEngine175L Pro XS Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2010
Mercury MarineEngine175L Pro XS Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2011
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2012
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2013
Mercury MarineEngine - Marine Outboard175L Pro XS Optimax2014
Mercury MarineEngine175XL Optimax2002153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2002
Mercury MarineEngine175XL Optimax2003153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2003
Mercury MarineEngine175XL Optimax2004153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2004
Mercury MarineEngine175XL Optimax2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2005
Mercury MarineEngine175XL Optimax2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2006
Mercury MarineEngine175XL Optimax2007153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2007
Mercury MarineEngine175XL Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2008
Mercury MarineEngine175XL Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2009
Mercury MarineEngine175XL Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Optimax2010
Mercury MarineEngine175XL Pro XS Optimax2008153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2008
Mercury MarineEngine175XL Pro XS Optimax2009153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2009
Mercury MarineEngine175XL Pro XS Optimax2010153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2010
Mercury MarineEngine175XL Pro XS Optimax2011153cu in 2.5L
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2011
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2012
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2013
Mercury MarineEngine - Marine Outboard175XL Pro XS Optimax2014
Mercury MarineEngine - Marine Outboard2.5 CL EFI Racing1998
Mercury MarineEngine - Marine Outboard2.5 CL EFI Racing1999
Mercury MarineEngine - Marine Outboard2.5 CL EFI Racing2000
Mercury MarineEngine - Marine Outboard2.5 CL EFI Racing2005
Mercury MarineEngine - Marine Outboard2.5 CS EFI Racing1998
Mercury MarineEngine - Marine Outboard2.5 CS EFI Racing1999
Mercury MarineEngine - Marine Outboard2.5 CS EFI Racing2000
Mercury MarineEngine - Marine Outboard2.5 CS EFI Racing2005
Mercury MarineEngine200CXL1999153cu in 2.5L
Mercury MarineEngine200CXL2000153cu in 2.5L
Mercury MarineEngine200CXL2001153cu in 2.5L
Mercury MarineEngine200CXL2002153cu in 2.5L
Mercury MarineEngine200CXL2003153cu in 2.5L
Mercury MarineEngine200CXL2004153cu in 2.5L
Mercury MarineEngine200CXL2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard200CXL Bluewater EFI1999
Mercury MarineEngine - Marine Outboard200CXL Saltwater EFI2000
Mercury MarineEngine - Marine Outboard200CXL Saltwater EFI2001
Mercury MarineEngine - Marine Outboard200CXL Saltwater EFI2002
Mercury MarineEngine - Marine Outboard200CXL Saltwater EFI2003
Mercury MarineEngine - Marine Outboard200CXL Saltwater EFI2004
Mercury MarineEngine - Marine Outboard200CXL Saltwater EFI2005
Mercury MarineEngine200L1999153cu in 2.5L
Mercury MarineEngine200L2000153cu in 2.5L
Mercury MarineEngine200L2001153cu in 2.5L
Mercury MarineEngine200L2002153cu in 2.5L
Mercury MarineEngine200L2003153cu in 2.5L
Mercury MarineEngine200L2004153cu in 2.5L
Mercury MarineEngine200L2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard200L EFI1999
Mercury MarineEngine - Marine Outboard200L EFI2000
Mercury MarineEngine - Marine Outboard200L EFI2001
Mercury MarineEngine - Marine Outboard200L EFI2002
Mercury MarineEngine - Marine Outboard200L EFI2003
Mercury MarineEngine - Marine Outboard200L EFI2004
Mercury MarineEngine - Marine Outboard200L EFI2005
Mercury MarineEngine200XL1999153cu in 2.5L
Mercury MarineEngine200XL2000153cu in 2.5L
Mercury MarineEngine200XL2001153cu in 2.5L
Mercury MarineEngine200XL2002153cu in 2.5L
Mercury MarineEngine200XL2003153cu in 2.5L
Mercury MarineEngine200XL2004153cu in 2.5L
Mercury MarineEngine200XL2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard200XL Bluewater EFI1999
Mercury MarineEngine - Marine Outboard200XL Saltwater EFI2000
Mercury MarineEngine - Marine Outboard200XL Saltwater EFI2001
Mercury MarineEngine - Marine Outboard200XL Saltwater EFI2002
Mercury MarineEngine - Marine Outboard200XL Saltwater EFI2003
Mercury MarineEngine - Marine Outboard200XL Saltwater EFI2004
Mercury MarineEngine - Marine Outboard200XL Saltwater EFI2005
Mercury MarineEngine200XS CS Optimax Racing2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard200XS CS Optimax Racing2005
Mercury MarineEngine - Marine Outboard200XS L Optimax Racing2000
Mercury MarineEngine - Marine Outboard200XS L SM Optimax Racing2005
Mercury MarineEngine200XS Optimax Racing2006153cu in 2.5L
Mercury MarineEngine - Marine Outboard200XS SM LH 15 Optimax Racing2006
Mercury MarineEngine200XS SS Optimax Racing2000153cu in 2.5L
Mercury MarineEngine - Marine Outboard200XS SS Optimax Racing2000
Mercury MarineEngine200XS SS Optimax Racing2005153cu in 2.5L
Mercury MarineEngine - Marine Outboard200XS SS Optimax Racing2005
Mercury MarineEngine200XSL Optimax Racing2000153cu in 2.5L
Mercury MarineEngine200XSL Optimax Racing2005153cu in 2.5L

Replaces These Part Numbers

ARROWHEADADR0310, 400-12306
ANDRE NIERMANN020706
ARCO MARINE20840
BARSANCO110-8470
DELCO19020703, 19020706
DIXIEA-1667
EMP PARTS4-6454
FAMILY5SI
J&N Electrical Products400-12154, 400-12306
LESTER8470
MALLORY9-19112
MERCURY MARINE857006T, 875285T1, 881248T, 889955, 889955A03
MES MOTORCYCLE & MARINE3200M
MINNPAR47-1982
MP PARTS4-6454
PIC240-6317
SIERRA MARINE18-6454
WAI1-2487-01DR
WILSON SMALL ENGINE70-01-8470
WILSON90-01-4429

Frequently Asked Questions

Q: Do I need a larger charge wire for a High Output unit?
A: The high amp unit will operate better than stock, but not to its full potential without a larger charge wire. It’s the same reason firetrucks do not use garden hoses. It is IMPARATIVE to have proper charge and ground cables.

Q: Does a High Amp unit cause any damage to my battery or my vehicles charging system?
A: As long as it is installed properly with battery in good condition, then no. A High Output unit works exactly like a factory unit and only produces what is being demanded. No alternator works continuously at full output. Higher amperage is not bad and will not hurt a battery, but high voltage will blow one up.

Q: Will aftermarket underdrive pulleys (crankshaft power pulley) have any effect on my alternator?
A: Yes, underdrive crankshaft pulleys slow all the components (power steering, a/c, and alternator) to provide more power to the rear wheels. In some cases, the charging systems will fall totally on the battery at idle and completely stop charging.

Q: Where is the best place to get a voltage reading of the alternator output?
A: You’ll get the most accurate voltage reading from the back of the alternator at the main charge post that runs directly to the battery. This must be done while the vehicle is running.

Q: Why is the pulley on a high amp alternator smaller than my stock pulley?
A: The smaller pulley advances the power curve of the alternator just slightly, which produces a little more amperage around the idle if needed.

Q: Will I need a smaller belt for my high amp unit?
A: This varies by application because not all belts and belt tensioners are in the same condition. The tensioner will always tell you if you need a new belt or not. If it’s in range, you will not. If it is out, you will. Generally, you will need a belt that is one inch shorter than stock. You should have no problem finding a replacement wherever you buy your parts. V belt applications simply re-adjust your belt tensions to 3/8” deflection.

Q: What is the difference between a one wire, self-exciting and a self-energizing regulator?
A: Nothing. They are all exactly the same. Different manufacturers use different terms for marketing. The only wire to hook up is the charge wire to the battery. This does require modification for the alternator charge light on the dash.

Q: My stock unit used a five-groove pulley, and you sent my high amp alternator with a 6 groove. Why and what can I do?
A: 5 groove overdrive pullies are not produced. Install the belt on the back groove of the pulley closest to the fan or body of the alternator. The fan is internal, and this application will work just fine.

Q: Can your alternator be run in dual or triple alternator applications?
A: Yes. When wired and mounted correctly, the alternator can run in either dual or triple applications.

Q: Will I need a new battery with a high amp alternator?
A: If your battery is in good condition, and in spec of its OEM rating, then no. Your battery should work equally well with either the OEM and a High Amp unit.

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