Alternator for Case/IH 480E Construction King MAH-MG279

Alternator for Case/IH 480E Construction King MAH-MG279

Item #: MAH-MG279

30-DAY RETURN POLICY

If your order arrives and it’s not exactly what you want, you may return it within 30 days for a refund. We know that people sometimes order a part and then discover it’s not exactly the one they need for the repair. We understand and want to work with you. Just make sure the item is in its original packaging and in good condition free of damage.

When a returned product comes back to us, we’ll check it over to make sure it’s in ‘Like New’ condition and free from damage such as dents, scratches, cracks, abuse, defacement or indication of removed screws/fasteners or seals. Return processing may take up to 5 business days from the time your product is received by DB Electrical.

To return a product, simply click here to start the process.

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Mechanics Choice: OEM performance at a money-saving price.
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  • Product Info
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  • Policy Information
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Overview

Fast shipping and the lowest prices.
Find the right part for your make and model at DB Electrical.

Item Number: MAH-MG279

100% Brand New Aftermarket Part From DB Electrical

Product Specs

Item ConditionAftermarket Part
DescriptionAlternator
FamilyLetrika/MAHLE AAK
Volt12
Amps65
ConditionNew
Fan LocationExternal
Regulator LocationInternal
Terminal ID 2B+
Terminal 2 SizeM8x1.25

Applications List

Select Make & Type
MAKE TYPE MODEL YEAR ENGINE
Atlas CopcoXAS175 40451996
Atlas CopcoXAS175 4045T J.Deer
Case IH1150H 6-590 Diese2000, 2001, 2002, 2003, 2004, 2005, 2006
Case IH1150H 6-590 Diese2000, 2001, 2002, 2003, 2004, 2005, 2006
Case IH1150H 6-590 Diesel , Diese2000, 2001, 2002, 2003, 2004, 2005, 2006
Case IH1150H 6-590 Diesel , Diese2000, 2001, 2002, 2003, 2004, 2005, 2006
Case IH1818 Onan Engine1987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH18181987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH1835B 148 / 159 Ga1982, 1983, 1984, 1985, 1986, 1987, 1988
Case IH1835B 188 Diese1982, 1983, 1984, 1985, 1986, 1987, 1988
Case IH1835B 188 Diesel , Diese1982, 1983, 1984, 1985, 1986, 1987, 1988
Case IH1835B Ga1982, 1983, 1984, 1985, 1986, 1987, 1988
Case IH1835C Diesel , Diese1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH1835C Diesel , Diese1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH1835C Ga1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH1835C Ga1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH1835C Teledyne Diesel Engine1987, 1988, 1989, 1990, 1991
Case IH1835C Teledyne Diesel Engine1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH1835C Teledyne Gas Engine1987, 1988, 1989, 1990, 1991
Case IH1835C Teledyne Gas Engine1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH1840 390 Diese1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH1840 390 Diese1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH1840 390 Diesel , Diese1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH1845C 390 Diese1987, 1988, 1989, 1990, 1991, 1992
Case IH1845C 390 Diese1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH1845C 390 Diesel , Diese1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH1845C 390 Diesel , Diese1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH1896 6-359 Diese1984, 1985, 1986, 1987, 1988, 1989
Case IH1896 6-359 Diesel , Diese1984, 1985, 1986, 1987, 1988, 1989
Case IH2096 6-359 Diese1984, 1985, 1986, 1987, 1988, 1989
Case IH2096 6-359 Diesel , Diese1984, 1985, 1986, 1987, 1988, 1989
Case IH25+41988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH25+41988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH3601988, 1989, 1990, 1991, 1992
Case IH3601988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Case IH3601993, 1994, 1995, 1996, 1997, 1998
Case IH4000 225 , Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH4000 225 Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH4000 232 , Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH4000 232 / 258 Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH4000 239 Diese1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH4000 239 Diesel , Diese1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH4000 258 , Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH40XT 390 Diese
Case IH40XT 390 Diesel , Diese
Case IH450C 4-390 Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH450C 4-390 Diesel , Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH455C 4-390 Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH455C 4-390 Diesel , Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH480E Construction King 4-390 Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480E Construction King 4-390 Diesel , Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480E LL Construction King 4-390 Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480E LL Construction King 4-390 Diesel , Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F Construction King 4-390 Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F Construction King 4-390 Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F Construction King 4-390 Diesel , Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F Construction King 4-390 Diesel , Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F LL Construction King 4-390 Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F LL Construction King 4-390 Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F LL Construction King 4-390 Diesel , Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH480F LL Construction King 4-390 Diesel , Diese1989, 1990, 1991, 1992, 1993, 1994
Case IH5000 225 , Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5000 225 Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5000 232 , Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5000 232 / 258 Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5000 239 Diese1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5000 239 Diesel , Diese1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5000 258 , Ga1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Case IH5120 4-239 Diese1990, 1991
Case IH5120 4-239 Diesel , Diese1990, 1991
Case IH5130 6-359 Diese1990, 1991
Case IH5130 6-359 Diesel , Diese1990, 1991
Case IH5140 6-359 Diese1990, 1991
Case IH5140 6-359 Diesel , Diese1990, 1991
Case IH5220 4-239 Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5220 4-239 Diesel , Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5230 6-359 Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5230 6-359 Diesel , Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5240 6-359 Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5240 6-359 Diesel , Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5250 6-359 Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH5250 6-359 Diesel , Diese1992, 1993, 1994, 1995, 1996, 1997
Case IH550 4-390 Diese1989, 1990, 1991
Case IH550 4-390 Diese1989, 1990, 1991
Case IH550 4-390 Diesel , Diese1989, 1990, 1991
Case IH550 4-390 Diesel , Diese1989, 1990, 1991
Case IH550E 4-390 Diese1992, 1993, 1994, 1995
Case IH550E 4-390 Diesel , Diese1992, 1993, 1994, 1995
Case IH550G 4-390 Diese1995, 1996, 1997, 1998, 1999, 2000
Case IH550G 4-390 Diesel , Diese1995, 1996, 1997, 1998, 1999, 2000
Case IH550H 4-390 Diese
Case IH550H 4-390 Diese
Case IH550H 4-390 Diesel , Diese1999
Case IH550H 4-390 Diesel , Diese1999
Case IH560 Kubota V2203 Ds1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Case IH560 V2203 Diesel , Diese1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Case IH570LXT Series II 390 Diese
Case IH570LXT Series II 390 Diesel , Diese1998
Case IH570LXT 390 Diese1995, 1996, 1997, 1998, 1999
Case IH570LXT 390 Diesel , Diese1995, 1996, 1997, 1998, 1999
Case IH570MXT 390 Diese
Case IH570MXT 390 Diesel , Diese1998
Case IH580K 4-390 Diese1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH580K 4-390 Diese1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH580K 4-390 Diesel , Diese1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH580K 4-390 Diesel , Diese1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH580K 4-390 Diesel , Diese1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH580L Series II 4-390 Diese
Case IH580L Series II 4-390 Diesel , Diese1998
Case IH580L 4-390 Diese1995, 1996, 1997, 1998, 1999
Case IH580L 4-390 Diesel , Diese1995, 1996, 1997, 1998, 1999
Case IH580M 445/M
Case IH580M Case 445/M
Case IH580SE
Case IH580SE
Case IH580SK
Case IH580SK
Case IH580SL Series II
Case IH580SL Series II
Case IH580SL
Case IH580SL
Case IH580SM 445T/M
Case IH580SM Case 445T/M
Case IH584E 390 Diese1990, 1991, 1992
Case IH584E 390 Diese1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH584E 390 Diesel , Diese1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH585E 390 Diese1990, 1991, 1992
Case IH585E 390 Diese1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH585E 390 Diesel , Diese1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH585G 390 Diese1999, 2000
Case IH585G 390 Diesel , Diese1999, 2000
Case IH586E 390 Diese1990, 1991, 1992
Case IH586E 390 Diese1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH586E 390 Diesel , Diese1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Case IH586G 390 Diese1999, 2000
Case IH586G 390 Diesel , Diese1999, 2000
Case IH590 Turbo
Case IH590 Turbo
Case IH590CK
Case IH590CK1992
Case IH590SL Series III 445TA/E2008
Case IH590SL Series III Case 445TA/E
Case IH590SL
Case IH590SL1995
Case IH590SM 445T/M
Case IH590SM Case 445T/M
Case IH6030 390 Diese1997, 1998, 1999, 2000
Case IH6030 390 Diesel , Diese1997, 1998, 1999, 2000
Case IH60XT 390 Diese
Case IH60XT 390 Diesel , Diese
Case IH650 4-390 Diese1989, 1990, 1991
Case IH650 4-390 Diesel , Diese1989, 1990, 1991
Case IH650G 4-390 Diese1994, 1995, 1996, 1997, 1998, 1999, 2000
Case IH650G 4-390 Diesel , Diese1994, 1995, 1996, 1997, 1998, 1999, 2000
Case IH650H 4-390 Diese2000, 2001, 2002, 2003
Case IH650H 4-390 Diesel , Diese2000, 2001, 2002, 2003
Case IH650K Series 2 Case 4.5
Case IH650K Series 2 Case 4.52005, 2006, 2007
Case IH650K Series 24500cc, 4.5L 2005
Case IH650K Series 24500cc, 4.5L 2005, 2006, 2007
Case IH650K Series 3 Case 4.5
Case IH650K Series 3 Case 4.5
Case IH650K Series 34500cc, 4.5L 2007
Case IH650K Series 34500cc, 4.5L 2007
Case IH650K 4-390 Diese2003, 2004, 2005, 2006, 2007
Case IH650K 4-390 Diesel , Diese2003, 2004, 2005, 2006, 2007
Case IH650K 4T-392003
Case IH650K Case 4T-39
Case IH660 390 Diese1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Case IH660 390 Diesel , Diese1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Case IH680K Construction King 6-590 Diese1984, 1985, 1986, 1987, 1988
Case IH680K Construction King 6-590 Diesel , Diese1984, 1985, 1986, 1987, 1988
Case IH680L Construction King 6-590 Diese1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH680L Construction King 6-590 Diese1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH680L Construction King 6-590 Diesel , Diese1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH680L Construction King 6-590 Diesel , Diese1988, 1989, 1990, 1991, 1992, 1993, 1994
Case IH686G Series II 4-390 Diese
Case IH686G Series II 4-390 Diesel , Diese1999
Case IH686G Series II 4T-390 Diese
Case IH686G Series II 4T-390 Diesel , Diese1999
Case IH686G 4-390 Diese
Case IH686G 4-390 Diesel , Diese1998
Case IH686G 4T-390 Diese
Case IH686G 4T-390 Diesel , Diese1998
Case IH686GXR Series II 4-390 Diese
Case IH686GXR Series II 4-390 Diesel , Diese1999
Case IH686GXR Series II 4T-390 Diese
Case IH686GXR Series II 4T-390 Diesel , Diese1999
Case IH686GXR 4-390 Diese
Case IH686GXR 4-390 Diesel , Diese1998
Case IH686GXR 4T-390 Diese
Case IH686GXR 4T-390 Diesel , Diese1998
Case IH688G 4T-390 Diese1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Case IH688G 4T-390 Diesel , Diese1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Case IH70XT 390 Diese
Case IH70XT 390 Diesel , Diese
Case IH750H 4-392000, 2001, 2002, 2003
Case IH750H 4-392000, 2001, 2002, 2003
Case IH750H Case 4-392000, 2001, 2002, 2003
Case IH750H Case 4-392000, 2001, 2002, 2003
Case IH750K Series 2 Case 4.5
Case IH750K Series 2 Case 4.5
Case IH750K Series 24500cc, 4.5L 2005
Case IH750K Series 24500cc, 4.5L 2005
Case IH750K Series 3 Case 4.5
Case IH750K Series 3 Case 4.5
Case IH750K Series 34500cc, 4.5L 2007
Case IH750K Series 34500cc, 4.5L 2007
Case IH750K 4T-392002
Case IH750K 4T-392002
Case IH750K Case 4T-39
Case IH750K Case 4T-39
Case IH75XT 390 Diese1998, 1999, 2000, 2001
Case IH75XT 390 Diesel , Diese1998, 1999, 2000, 2001
Case IH760 390 Diese1993, 1994, 1995, 1996, 1997
Case IH760 390 Diesel , Diese1993, 1994, 1995, 1996, 1997
Case IH7601988, 1989, 1990, 1991, 1992
Case IH7601988, 1989, 1990, 1991, 1992
Case IH780C Construction King 6T-590 Diese1984, 1985, 1986, 1987, 1988
Case IH780C Construction King 6T-590 Diesel , Diese1984, 1985, 1986, 1987, 1988
Case IH780D Construction King 6T-590 Diese1988, 1989, 1990, 1991, 1992
Case IH780D Construction King 6T-590 Diese1988, 1989, 1990, 1991, 1992
Case IH780D Construction King 6T-590 Diesel , Diese1988, 1989, 1990, 1991, 1992
Case IH780D Construction King 6T-590 Diesel , Diese1988, 1989, 1990, 1991, 1992
Case IH850H 6T-590 Diese2000, 2001, 2002, 2003
Case IH850H 6T-590 Diese2000, 2001, 2002, 2003
Case IH850H 6T-590 Diesel , Diese2000, 2001, 2002, 2003
Case IH850H 6T-590 Diesel , Diese2000, 2001, 2002, 2003
Case IH850K Series 2 Case 6.82005, 2006, 2007
Case IH850K Series 2 Case 6.82005, 2006, 2007
Case IH850K Series 26800cc, 6.8L 2005, 2006, 2007
Case IH850K Series 26800cc, 6.8L 2005, 2006, 2007
Case IH850K Series 3 Case 6.82007, 2008
Case IH850K Series 3 Case 6.82007, 2008
Case IH850K Series 36800cc, 6.8L 2007, 2008
Case IH850K Series 36800cc, 6.8L 2007, 2008
Case IH850K 6T-592002, 2003, 2004
Case IH850K 6T-592002, 2003, 2004
Case IH850K Case 6T-592002, 2003, 2004
Case IH850K Case 6T-592002, 2003, 2004
Case IH85XT 390 Diese1998, 1999, 2000, 2001
Case IH85XT 390 Diesel , Diese1998, 1999, 2000, 2001
Case IH860 390 Diese1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Case IH860 390 Diesel , Diese1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Case IH8830 Diesel , Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
Case IH8830 Diesel Engine1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
Case IH88401987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH88401987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH90XT 390 Diese1998, 1999, 2000, 2001
Case IH90XT 390 Diesel , Diese1998, 1999, 2000, 2001
Case IH95XT 390 Diese1998, 1999, 2000, 2001
Case IH95XT 390 Diesel , Diese1998, 1999, 2000, 2001
Case IH98401987, 1988, 1989, 1990, 1991, 1992, 1993
Case IH98401987, 1988, 1989, 1990, 1991, 1992, 1993
Case IHDH4B Diesel , Diese1989, 1990, 1991
Case IHDH4B Mitsubishi Diese1989, 1990, 1991
Case IHMX100 6-359 Diese1997, 1998, 1999
Case IHMX100 6-359 Diesel , Diese1997, 1998, 1999
Case IHMX100C 4-244 Diese1998, 1999
Case IHMX100C 4-244 Diesel , Diese1998, 1999
Case IHMX110 6-359 Diese1997, 1998, 1999
Case IHMX110 6-359 Diesel , Diese1997, 1998, 1999
Case IHMX120 6-359 Diese1997, 1998, 1999
Case IHMX120 6-359 Diesel , Diese1997, 1998, 1999
Case IHMX135 6-359 Diese1997, 1998, 1999
Case IHMX135 6-359 Diesel , Diese1997, 1998, 1999
Case IHTF300 Deutz Ds
Case IHTF300 Diesel , Diese1988
Case IHW11B 390 Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Case IHW11B 390 Diesel , Diese1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Ingersoll Rand375 Cummins 5.91996, 1997
Ingersoll Rand3755900cc, 5.9L 1996, 1997
Ingersoll RandCyclonaire 4-231990
Ingersoll RandCyclonaire Cummins 4-23
John Deere210LE Al
John Deere210LE JD 4045D/T 73-80H
John Deere210LE
John Deere240 Series II JD 3029D 53HP Engin
John Deere240 JD 3029D 46HP Engin1999, 2000, 2001, 2002, 2003, 2004
John Deere250 Series II JD 3029T 64.4HP Engin
John Deere250 JD 3029T 61HP Engin1999, 2000, 2001, 2002, 2003, 2004
John Deere260 Series II JD 3029T 72.4HP Engin
John Deere260 JD 3029T 69HP Engin1999, 2000, 2001, 20

Replaces These Part Numbers

ArrowheadABO0116, ABO0236, B0120488205, IA0595, IA1299, MG279, MG482
Bosch0120488205, 0-120-488-205, 0120488293, 0-120-488-293, 0120489293, 0-120-489-293, 0120489475, 0-120-489-475, 0986040290, 9-120-060-040, AL9959X
CaseIH181873, A181873, A186125, A187873, AR186125, AR187873
Caterpillar3E7285
Cummins3604448RX, 3604480RX, 3675270NW, 3920679
Ford10120160
Ford/New HollandA187873
J&N Electrical Products400-24191, 400-29006
John DeereAT173624, AT220393, RE509106, RE533516, SE501387, SE501835, TY6799
Lester12146, 12158, 12161, 12700
Letrika/Iskra11.201.595, 11.201.935, 11.201.998, AAK1363, AAK3330, AAK3359, IA 0595, IA 1299
Lucas ElectricLRA02222, LRB00305, LRB305
Mahle11.201.595, 11.201.935, AAK1363, AAK3330, IA0595, MG279, MG482
Other OEMS8EL737217-001, CA1197IR

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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