Powermaster 77641 Ford 3G Alternator, 140A, 1-Wire, 6-Groove

#25577641

Powermaster 77641 Ford 3G Alternator, 140A, 1-Wire, 6-Groove

Name: Powermaster 77641 Ford 3G Alternator, 140A, 1-Wire, 6-Groove
Brand: Powermaster
SKU: 25577641
Price: 251.99 USD
Availability: InStock

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Amperage:

140 Amp

200 Amp

Finish:

Natural

Chrome

Wire Type:

1-Wire

OE Wire

$251.99

/each

Factory Shipped

Quantity

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Product Summary

One Wire Alternator, Ford 3G Alternator Case Style

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Key Specs

MFG. Part #	77641
One Wire Alternator	Yes
Alternator Amperage	140 amp
Alternator Finish	Natural
Pulley Style	Serpentine

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Powermaster 77641 Details

Powermaster Ford 3G Style Alternators are internally regulated and have excellent output at idle. 3G Style Alternators feature dual internal fans for high efficiency and excellent cooling. 3G Style offers 3 options: OE only, 1 wire only, or adapter harness. The function of the adapter harness is to run a dash light or turn the alternator on with the ignition if equipped with a voltmeter. Replaces external regulator.

Powermaster 77641
Ford 3G Large Frame V Mount
6-groove pulley
1-wire hookup
100A idle, 140A top end
Natural finish
Fits most 4.6L, 5.4L, 6.8L

Charts

Installation Instructions (PDF)

Guides & Documents

Alternators Installation Instructions (25577641)

CA Prop 65

Powermaster 77641 Specifications

KEY SPECS
MFG. Part #	77641
Brand	Powermaster
One Wire Alternator	Yes
Alternator Amperage	140 amp
Alternator Finish	Natural
Pulley Style	Serpentine

GENERAL
Alternator Case Style	Ford 3G
Voltage Required	12-Volt
Regulator	Internal
Regulator Included	Yes
Alternator Pulley Included	Yes
Alternator Pulley Grooves	6-groove, Serpentine
Alternator Brackets Included	No
Color	Natural
Sold in Quantity	Each
Notes	Made in the USA
GTIN Code	692209023357
Belt Included	No

Ratings & Reviews

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Fitment

1992 Ford Crown Victoria

Ford Modular V8 2V SOHC 4.6

1993-2004 Ford Crown Victoria

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6

2005 Ford Crown Victoria

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6
Ford Modular V8 4V DOHC 4.6

2006-2010 Ford Crown Victoria

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6

2011 Ford Crown Victoria

Ford Modular V8 2V SOHC 4.6

2003-2004 Ford E-150

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005 Ford E-150

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2006-2010 Ford E-150

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2011-2012 Ford E-150

Ford Modular V8 4V DOHC 5.4

2013-2014 Ford E-150

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 2V SOHC 5.4

2003-2004 Ford E-150 Club Wagon

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005 Ford E-150 Club Wagon

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

1997-1998 Ford E-150 Econoline

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4

1999-2001 Ford E-150 Econoline

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2002 Ford E-150 Econoline

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

1997-1998 Ford E-150 Econoline Club Wagon

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4

1999-2001 Ford E-150 Econoline Club Wagon

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2002 Ford E-150 Econoline Club Wagon

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2003-2004 Ford E-250

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005 Ford E-250

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2006-2010 Ford E-250

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 3V SOHC 4.6
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2011-2012 Ford E-250

Ford Modular V8 4V DOHC 5.4

2013-2014 Ford E-250

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 2V SOHC 5.4

1997 Ford E-250 Econoline

Ford Modular V8 2V SOHC 4.6
Ford Modular V8 4V DOHC 4.6
Ford Modular V8 2V SOHC 5.4

1998 Ford E-250 Econoline

Ford Modular V8 2V SOHC 5.4

1999-2001 Ford E-250 Econoline

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2002 Ford E-250 Econoline

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2004 Ford E-250 Super Duty

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005 Ford E-250 Super Duty

Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2003 Ford E-350

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2003-2004 Ford E-350 Club Wagon

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005 Ford E-350 Club Wagon

Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

1997-1998 Ford E-350 Econoline

Ford Modular V8 2V SOHC 5.4

2001 Ford E-350 Econoline

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2002 Ford E-350 Econoline

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

1997-1998 Ford E-350 Econoline Club Wagon

Ford Modular V8 2V SOHC 5.4

1999-2001 Ford E-350 Econoline Club Wagon

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2002 Ford E-350 Econoline Club Wagon

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2004 Ford E-350 Super Duty

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005-2010 Ford E-350 Super Duty

Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2011-2012 Ford E-350 Super Duty

Ford Modular V8 4V DOHC 5.4

2013-2014 Ford E-350 Super Duty

Ford Modular V8 2V SOHC 5.4

1997-1998 Ford Econoline Super Duty

Ford Modular V8 2V SOHC 5.4

1999 Ford Econoline Super Duty

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2000-2001 Ford Excursion

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2002-2004 Ford Excursion

Ford Modular V8 2V SOHC 5.4
Ford Modular V8 3V SOHC 5.4
Ford Modular V8 4V DOHC 5.4

2005 Ford Excursion

Ford 5.4 3V
Ford 5.4 4V

1997-1998 Ford Expedition

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V

1999-2001 Ford Expedition

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V

2002-2004 Ford Expedition

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

2005-2010 Ford Expedition

Ford 5.4 3V
Ford 5.4 4V

2011-2012 Ford Expedition

Ford 5.4 4V

2013-2014 Ford Expedition

Ford 5.4 3V

2002-2004 Ford Explorer

Ford 4.6 2V
Ford 4.6 4V

2005 Ford Explorer

Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V

2006-2010 Ford Explorer

Ford 4.6 2V
Ford 4.6 3V

2007-2010 Ford Explorer Sport Trac

Ford 4.6 2V
Ford 4.6 3V

1997-1998 Ford F-150

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V

1999-2001 Ford F-150

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V

2002-2004 Ford F-150

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

2005 Ford F-150

Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
Ford 5.4 3V
Ford 5.4 4V

2006-2010 Ford F-150

Ford 4.6 2V
Ford 4.6 3V
Ford 5.4 3V
Ford 5.4 4V

2004 Ford F-150 Heritage

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

1997-1998 Ford F-250

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V

1999 Ford F-250

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V

1999-2001 Ford F-250 Super Duty

Ford 5.4 2V
Ford 5.4 4V

2002-2004 Ford F-250 Super Duty

Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

2005-2010 Ford F-250 Super Duty

Ford 5.4 3V
Ford 5.4 4V

1999-2001 Ford F-350 Super Duty

Ford 5.4 2V
Ford 5.4 4V

2002-2004 Ford F-350 Super Duty

Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

2005-2010 Ford F-350 Super Duty

Ford 5.4 3V
Ford 5.4 4V

2005-2006 Ford GT

Ford 5.4 3V
Ford 5.4 4V

1996-1999 Ford Mustang

Ford 4.6 2V
Ford 4.6 4V

2000 Ford Mustang

Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V

2001-2004 Ford Mustang

Ford 4.6 2V
Ford 4.6 4V

2005 Ford Mustang

Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V

2006 Ford Mustang

Ford 4.6 2V
Ford 4.6 3V

2007-2010 Ford Mustang

Ford 4.6 2V
Ford 4.6 3V
Ford 5.4 3V
Ford 5.4 4V

2011-2012 Ford Mustang

Ford 5.4 4V

1994-1997 Ford Thunderbird

Ford 4.6 2V
Ford 4.6 4V

2003-2004 Lincoln Aviator

Ford 4.6 2V
Ford 4.6 4V

2005 Lincoln Aviator

Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V

2002 Lincoln Blackwood

Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

1995-2002 Lincoln Continental

Ford 4.6 2V
Ford 4.6 4V

2006-2008 Lincoln Mark LT

Ford 5.4 3V
Ford 5.4 4V

1993-1998 Lincoln Mark VIII

Ford 4.6 2V
Ford 4.6 4V

1998 Lincoln Navigator

Ford 5.4 2V

1999-2001 Lincoln Navigator

Ford 5.4 2V
Ford 5.4 4V

2002-2004 Lincoln Navigator

Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V

2005-2010 Lincoln Navigator

Ford 5.4 3V
Ford 5.4 4V

2011-2012 Lincoln Navigator

Ford 5.4 4V

2013-2014 Lincoln Navigator

Ford 5.4 3V

1991-1992 Lincoln Town Car

Ford 4.6 2V

1993-2004 Lincoln Town Car

Ford 4.6 2V
Ford 4.6 4V

2005 Lincoln Town Car

Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V

2006-2010 Lincoln Town Car

Ford 4.6 2V
Ford 4.6 3V

2011 Lincoln Town Car

Ford 4.6 2V

1992-2011 Mercury Grand Marquis

Ford 4.6 2V

2003-2004 Mercury Marauder

Ford 4.6 2V

2002-2010 Mercury Mountaineer

Ford 4.6 2V