Skip to content
icon-X
Close menu
Home
About
Alternators
Billet Alternators
Accessories
Merch
FAQ
Contact
Dealers
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
Sitemap
Log in
instagram
Instagram
Facebook
YouTube
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
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
Accessories
Merch
FAQ
Contact
Dealers
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
5.3L
Customers rate us 4.8/5 based on 202 reviews.
Select Vehicle
Select Vehicle
Vehicle Make
Search
Buick
Cadillac
Chevrolet
Dodge
GMC
Hummer
Isuzu
Motor Swap
Pontiac
Vehicle Model
Search
Allure
Ascender
Avalanche
Canyon
Chevrolet
Colorado
Corvette
Envoy
Envoy Xuv
Escalade
Firebird
Grand Prix
H3
H3t
Impala
Lacrosse
Lemans
Monte Carlo
Motor Swap
Rainier
Savana 1500
Savana 2500
Sierra
Sierra 1500
Sierra 1500 Classic
Sierra 1500 Limited
Sierra 2500
Ssr
Suburban
Tahoe
Tempest
Trailblazer
Yukon
Yukon Xl
Yukon Xl 1500
Vehicle Liter Engine
Search
3.8L
4.1L
4.3L
4.8L
5.0L
5.3L
5.7L
6.0L
clear
Vehicle Year
Search
1963 1964
1963-1966
1963 1967
1966
1967
1968
1974
1987-2004
1996-2004
1999-2000
1999-2004
2000-2004
2001-2005
2002-2004
2003-2005
2003-2004
2003
2003-2006
2003-2009
2003-2014
2004-2005
2004-2007
2005
2005-2006
2005-2008
2005-2014
2005-2019
2005-2020
2006-2007
2006
2006-2009
2007-2008
2007
2007-2009
2007-2013
2008-2010
2008-2009
2009-2010
2009-2012
2009-2014
2010
2011-2014
2013-2014
2014-2020
2015-2020
2019
Amperage
250 amp alternator
(78)
320 amp alternator
(77)
370 amp alternator
(64)
400 amp alternator
(64)
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
Vehicle Make
Search
Buick
Cadillac
Chevrolet
Dodge
GMC
Hummer
Isuzu
Motor Swap
Pontiac
Vehicle Model
Search
Allure
Ascender
Avalanche
Canyon
Chevrolet
Colorado
Corvette
Envoy
Envoy Xuv
Escalade
Firebird
Grand Prix
H3
H3t
Impala
Lacrosse
Lemans
Monte Carlo
Motor Swap
Rainier
Savana 1500
Savana 2500
Sierra
Sierra 1500
Sierra 1500 Classic
Sierra 1500 Limited
Sierra 2500
Ssr
Suburban
Tahoe
Tempest
Trailblazer
Yukon
Yukon Xl
Yukon Xl 1500
Vehicle Liter Engine
Search
3.8L
4.1L
4.3L
4.8L
5.0L
5.3L
5.7L
6.0L
clear
Vehicle Year
Search
1963 1964
1963-1966
1963 1967
1966
1967
1968
1974
1987-2004
1996-2004
1999-2000
1999-2004
2000-2004
2001-2005
2002-2004
2003-2005
2003-2004
2003
2003-2006
2003-2009
2003-2014
2004-2005
2004-2007
2005
2005-2006
2005-2008
2005-2014
2005-2019
2005-2020
2006-2007
2006
2006-2009
2007-2008
2007
2007-2009
2007-2013
2008-2010
2008-2009
2009-2010
2009-2012
2009-2014
2010
2011-2014
2013-2014
2014-2020
2015-2020
2019
Amperage
250 amp alternator
(78)
320 amp alternator
(77)
370 amp alternator
(64)
400 amp alternator
(64)
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
90 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
2007-2009 Saab 9-7x V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007-2009 GMC Envoy V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007-2008 Chevrolet Trailblazer V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007 GMC Sierra 1500 Classic V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007 Chevrolet Silverado 1500 Classic V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007 Buick Rainier V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2022 Chevrolet Silverado 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2009 Chevrolet Impala V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2007 Chevrolet Monte Carlo V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006 Chevrolet Trailblazer V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2023 Chevrolet Tahoe V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2022 GMC Yukon V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2022 GMC Sierra 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2014 GMC Yukon XL 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2014 Chevrolet Suburban 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2014 Chevrolet Silverado 2500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2008 Pontiac Grand Prix V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2006 Saab 9-7x V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2006 GMC Envoy V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2006 Chevrolet Avalanche 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005 Chevrolet Sonora V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005 Chevrolet Silverado 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005 Cadillac Escalade V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2004-2006 Buick Rainier V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2004-2005 GMC Envoy XUV V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2008 GMC Savana 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2008 Chevrolet Express 1500 V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2006 Isuzu Ascender V8 5.3L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Previous
1
2
3
4
icon-chevron
Next
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
All