Skip to content
icon-X
Close menu
Home
About
Alternators
Accessories
Merch
FAQ
Contact
Dealers
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
Log in
instagram
Instagram
Facebook
YouTube
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
instagram
Instagram
Facebook
YouTube
icon-search
Search
icon-hamburger
Site navigation
account
Log in
icon-search
Search
Cart
Home
About
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
4.8L
Select Vehicle
Select Vehicle
Vehicle Make
Search
Dodge
GMC
Marine
Vehicle Model
Search
Blazer
G25
G35
K20
Suburban
Tahoe
Yukon
Vehicle Year
Search
1999-2004
2005-2009
1996-2004
2005-2020
2005-2013
1987-2004
2006-2007
2005-2017
2009
1966
1967-1971
1975-1978
1980-1986
1963-1966
1967
1970-1971
1973-1974
1973
1975-1979
1975-1980
1975-1981
1979-1980
1983-1986
1987-1988
2000-2004
1987
1968 1974
1967 1978
1968 1978
1967 1980
1968 1986
1967 1986
1968 1984
1967 1974
1974 1978
1974
1973 1982
1967 1976
1967 1989
2003 2017
2007
1968 1972
1963 1967
Vehicle Liter Engine
Search
5.7L
4.8L
3.8L
4.1L
4.3L
5.0L
5.3L
6.0L
clear
Amperage
250 amp alternator
(109)
320 amp alternator
(109)
370 amp alternator
(22)
400 amp alternator
(22)
250 amps 6 phase hairpin
(13)
320 amps 6 phase hairpin
(12)
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
Dodge
GMC
Marine
Vehicle Model
Search
Blazer
G25
G35
K20
Suburban
Tahoe
Yukon
Vehicle Year
Search
1999-2004
2005-2009
1996-2004
2005-2020
2005-2013
1987-2004
2006-2007
2005-2017
2009
1966
1967-1971
1975-1978
1980-1986
1963-1966
1967
1970-1971
1973-1974
1973
1975-1979
1975-1980
1975-1981
1979-1980
1983-1986
1987-1988
2000-2004
1987
1968 1974
1967 1978
1968 1978
1967 1980
1968 1986
1967 1986
1968 1984
1967 1974
1974 1978
1974
1973 1982
1967 1976
1967 1989
2003 2017
2007
1968 1972
1963 1967
Vehicle Liter Engine
Search
5.7L
4.8L
3.8L
4.1L
4.3L
5.0L
5.3L
6.0L
clear
Amperage
250 amp alternator
(109)
320 amp alternator
(109)
370 amp alternator
(22)
400 amp alternator
(22)
250 amps 6 phase hairpin
(13)
320 amps 6 phase hairpin
(12)
370 amps 6 phase hairpin
(5)
400 amps 6 phase hairpin
(5)
Price
icon-filter
Select Vehicle
122 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
Marine 14007 GM Truck High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
Honda T Mount 4.1L High Output Alternator for - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
GM LS Engine Swap High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
Ford Coyote 5.0L Racing High Output Alternator for - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
Ford Coyote 5.0L Engine Swap High Output Alternator - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
Cummins 12V Early 5.9L High Output Alternator for - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
CS130 High Output Alternator - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2012-2017 GMC Savana 3500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2012-2017 GMC Savana 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2012-2017 Chevrolet Express 3500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2012-2017 Chevrolet Express 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2011-2018 Dodge CAR V8 High Output Alternator for 250-320-370-400amp - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2011 Chevrolet Express 3500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2011 Chevrolet Express 2500 6.0L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2011 Chevrolet Express 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2009 Chevrolet Silverado 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007-2011 Mopar Truck Mount High Output Alternator for - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2007 GMC Sierra 1500 Classic 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2007 Chevrolet Silverado 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2013 GMC Sierra 1500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2013 Chevrolet Silverado 1500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2011 GMC Savana 3500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2010 Chevrolet Express 3500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2009 GMC Yukon 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005-2009 Chevrolet Tahoe 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2011 GMC Savana 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2010 Chevrolet Express 2500 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2000-2004 GMC Yukon 4.8L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
1
2
3
…
5
icon-chevron
Next
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
All