Skip to content
icon-X
Close menu
Home
About
Alternators
Billet Alternators
Slingshot Alternators
Wiring Kits
Batteries
Accessories
FAQ
Contact
Receive a Quote
Instructions
Return Requests
Technical Support
Warranty & Other Policies
Dealers
Privacy Policy
Blog
Sitemap
Log in
instagram
Instagram
Facebook
YouTube
Receive a Quote
Instructions
Return Requests
Technical Support
Warranty & Other Policies
Dealers
Privacy Policy
Blog
Sitemap
instagram
Instagram
Facebook
YouTube
icon-search
Search
icon-hamburger
Site navigation
account
Log in
icon-search
Search
Cart
Home
About
Alternators
Billet Alternators
Slingshot Alternators
Wiring Kits
Batteries
Accessories
FAQ
Contact
Search
Search
Pause slideshow
Play slideshow
FREE SHIPPING
On all orders shipped within the United States
Hassle-free returns
90-day return policy
Lifetime Warranty
On JS Alternators employee labor and a one year warranty on parts
6.0L
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Cadillac
Chevrolet
Dodge
Ford
GMC
Hummer
Motor Swap
Pontiac
Vehicle Model
Search
Astro
Avalanche
Blazer
C1500
C1500 Suburban
C2500
C2500 Suburban
C3500
Camaro
Caprice
Colorado
Commercial Chassis
Corvette
CTS
Deville
E-350 Super Duty
E-450 Super Duty
Escalade
Escalade ESV
Escalade EXT
Excursion
F-250 Super Duty
F-350 Super Duty
F-450 Super Duty
F-550 Super Duty
Firebird
Fleetwood
G8
GTO
H2
Jimmy
K1500
K1500 Suburban
K2500
K2500 Suburban
Motor Swap
Savana 2500
Savana 3500
Sierra
Sierra 1500
Sierra 1500 Classic
Sierra 1500 Hd
Sierra 1500 Hd Classic
Sierra 1500 Limited
Sierra 2500
Sierra 2500 Hd
Sierra 2500 Hd Classic
Sierra 3500
Sierra 3500 Hd
Silverado
Silverado 1500
Silverado 1500 Classic
Silverado 1500 Hd
Silverado 2500
Silverado 2500 Hd
Silverado 2500 Hd Classic
Silverado 3500
Silverado 3500 Hd
Sonoma
SSR
Suburban
Suburban 1500
Suburban 2500
Tahoe
Trailblazer
Trailblazer Ext
Yukon
Yukon XL
Yukon XL 1500
Yukon XL 2500
Vehicle Liter Engine
Search
2.8L
4.1L
4.3L
4.8L
5.0L
5.3L
5.7L
6.0L
6.2L
6.5L
6.6L
7.4L
8.1L
clear
Vehicle Year
Search
1966
1980
1988-1992
1991-1996
1991-1998
1994-1997
1995-1999
1996-1997
1996-1998
1996-1999
1996-2000
1996-2005
1997-2000
1998
1998-2002
1998-2005
1999-2000
1999-2002
1999-2004
2000-2002
2001-2002
2001-2004
2001-2006
2001-2007
2002
2002-2004
2002-2005
2003
2003-2004
2003-2005
2003-2006
2003-2007
2003-2008
2003-2009
2003-2010
2004
2004-2005
2004-2010
2005
2005-2006
2005-2007
2005-2009
2005-2010
2005-2011
2005-2013
2005-2014
2005-2020
2005-2021
2005-2022
2005-2023
2006
2006-2007
2006-2009
2006-2015
2006-2022
2007
2007-2008
2007-2009
2007-2013
2007-2014
2007-2019
2007-2022
2007-2023
2007-2024
2008-2009
2008-2012
2008-2019
2008-2023
2009
2009-2012
2009-2013
2009-2014
2009-2016
2009-2019
2009-2022
2010-2014
2011
2011-2017
2012-2017
2012-2020
2013-2014
2014-2022
2015-2019
2015-2022
2016
2016-2018
2016-2019
2018-2022
2020-2023
2021-2022
2022
2023
Amperage
250 amp alternator
(103)
320 amp alternator
(103)
370 amp alternator
(96)
400 amp alternator
(96)
250 amps 6 phase hairpin
(12)
320 amps 6 phase hairpin
(11)
370 amps 6 phase hairpin
(5)
400 amps 6 phase hairpin
(5)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Cadillac
Chevrolet
Dodge
Ford
GMC
Hummer
Motor Swap
Pontiac
Vehicle Model
Search
Astro
Avalanche
Blazer
C1500
C1500 Suburban
C2500
C2500 Suburban
C3500
Camaro
Caprice
Colorado
Commercial Chassis
Corvette
CTS
Deville
E-350 Super Duty
E-450 Super Duty
Escalade
Escalade ESV
Escalade EXT
Excursion
F-250 Super Duty
F-350 Super Duty
F-450 Super Duty
F-550 Super Duty
Firebird
Fleetwood
G8
GTO
H2
Jimmy
K1500
K1500 Suburban
K2500
K2500 Suburban
Motor Swap
Savana 2500
Savana 3500
Sierra
Sierra 1500
Sierra 1500 Classic
Sierra 1500 Hd
Sierra 1500 Hd Classic
Sierra 1500 Limited
Sierra 2500
Sierra 2500 Hd
Sierra 2500 Hd Classic
Sierra 3500
Sierra 3500 Hd
Silverado
Silverado 1500
Silverado 1500 Classic
Silverado 1500 Hd
Silverado 2500
Silverado 2500 Hd
Silverado 2500 Hd Classic
Silverado 3500
Silverado 3500 Hd
Sonoma
SSR
Suburban
Suburban 1500
Suburban 2500
Tahoe
Trailblazer
Trailblazer Ext
Yukon
Yukon XL
Yukon XL 1500
Yukon XL 2500
Vehicle Liter Engine
Search
2.8L
4.1L
4.3L
4.8L
5.0L
5.3L
5.7L
6.0L
6.2L
6.5L
6.6L
7.4L
8.1L
clear
Vehicle Year
Search
1966
1980
1988-1992
1991-1996
1991-1998
1994-1997
1995-1999
1996-1997
1996-1998
1996-1999
1996-2000
1996-2005
1997-2000
1998
1998-2002
1998-2005
1999-2000
1999-2002
1999-2004
2000-2002
2001-2002
2001-2004
2001-2006
2001-2007
2002
2002-2004
2002-2005
2003
2003-2004
2003-2005
2003-2006
2003-2007
2003-2008
2003-2009
2003-2010
2004
2004-2005
2004-2010
2005
2005-2006
2005-2007
2005-2009
2005-2010
2005-2011
2005-2013
2005-2014
2005-2020
2005-2021
2005-2022
2005-2023
2006
2006-2007
2006-2009
2006-2015
2006-2022
2007
2007-2008
2007-2009
2007-2013
2007-2014
2007-2019
2007-2022
2007-2023
2007-2024
2008-2009
2008-2012
2008-2019
2008-2023
2009
2009-2012
2009-2013
2009-2014
2009-2016
2009-2019
2009-2022
2010-2014
2011
2011-2017
2012-2017
2012-2020
2013-2014
2014-2022
2015-2019
2015-2022
2016
2016-2018
2016-2019
2018-2022
2020-2023
2021-2022
2022
2023
Amperage
250 amp alternator
(103)
320 amp alternator
(103)
370 amp alternator
(96)
400 amp alternator
(96)
250 amps 6 phase hairpin
(12)
320 amps 6 phase hairpin
(11)
370 amps 6 phase hairpin
(5)
400 amps 6 phase hairpin
(5)
Price
icon-filter
Select Vehicle
120 products
Sort
Sort
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Sale
12SI Motor Swap High Output Alternator - One Wire Turn On
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
12SI Racing High Output Alternator - One Wire Turn On
Regular price
$499.00
Sale price
$399.00
Save $100.00
Sale
14007 GM Truck High Output Alternator LS Bracket - One Wire Turn On
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
14009 GM Truck High Output Alternator LS Bracket - One Wire Turn On
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1966 GMC Suburban L6 4.1L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1980 Cadillac Commercial Chassis V8 6.0L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1980 Cadillac DeVille V8 6.0L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1980 Cadillac Fleetwood V8 6.0L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1991-1996 Chevrolet C6500 Kodiak V8 6.0L cs144 High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1991-1996 Chevrolet C7500 Kodiak V8 6.0L cs144 High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1991-1998 Chevrolet Kodiak C8500 V8 6.0L cs144 High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1996-1998 Chevrolet C5500 Kodiak V8 6.0L cs144 High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1996-2024 GM Billet High Output Alternator (Black)
Regular price
$749.00
Sale price
from $649.00
Save $100.00
Sale
1996-2024 GM Billet High Output Alternator (Blue)
Regular price
$749.00
Sale price
from $649.00
Save $100.00
Sale
1996-2024 GM Billet High Output Alternator (Gold)
Regular price
$749.00
Sale price
from $649.00
Save $100.00
Sale
1996-2024 GM Billet High Output Alternator (Red)
Regular price
$749.00
Sale price
from $649.00
Save $100.00
Sale
1996-2024 GM Billet High Output Alternator (Standard)
Regular price
$749.00
Sale price
from $649.00
Save $100.00
Sale
1999-2002 GMC Sierra 2500 V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1999-2004 Chevrolet Silverado 2500 V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2000-2002 GMC Yukon XL 2500 V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2002 Chevrolet Silverado 2500 HD V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2002 Chevrolet Silverado 3500 V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2002 GMC Sierra 1500 HD V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2002 GMC Sierra 2500 HD V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2002 GMC Sierra 3500 V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2002 GMC Yukon XL 1500 V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2004 GMC Yukon V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
2001-2007 Chevrolet Silverado 1500 HD V8 6.0L High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
1
2
3
…
5
icon-chevron
Next
Customers rate us 4.8/5 based on 234 reviews.
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
6.0L