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
7.4L
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Cadillac
Chevrolet
GMC
Hummer
Pontiac
Vehicle Model
Search
Astro
Avalanche
Blazer
C15
C15 Suburban
C25
C25 Suburban
C35
C1500
C1500 Suburban
C2500
C2500 Suburban
C3500
Camaro
Caprice
Chevelle
Colorado
Corvette
CTS
Escalade
Escalade ESV
Escalade EXT
Firebird
G20
G25
G30
G35
G3500
H2
Impala
Jimmy
K15
K20
K25
K25 Suburban
K1500
K1500 Suburban
K2500
K2500 Suburban
K3500
Malibu
Monte Carlo
P30
P35
P1500
P3500
R20
R2500
R2500 Suburban
R3500
Savana 2500
Savana 3500
Sierra
Sierra 1500
Sierra 1500 Classic
Sierra 1500 Hd
Sierra 1500 Limited
Sierra 2500
Sierra 2500 Hd
Sierra 2500 Hd Classic
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
Sprint
SSR
Suburban
Suburban 1500
Suburban 2500
Tahoe
Trailblazer
Trailblazer Ext
V3500
Yukon
Yukon XL
Yukon XL 1500
Yukon XL 2500
Vehicle Liter Engine
Search
2.8L
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
1970
1970-1971
1970-1972
1970-1973
1970-1974
1971-1972
1973
1973-1974
1973-1975
1973-1976
1973-1977
1973-1978
1973-1980
1973-1985
1973-1986
1974
1975-1976
1975-1980
1976
1976-1978
1976-1979
1976-1980
1977-1986
1979
1987-1988
1987-1999
1988
1988-1989
1988-1991
1988-1992
1989
1989-1991
1989-1999
1990
1991
1992
1993
1994-1995
1994-1997
1995-1999
1996
1996-1997
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
2003-2004
2003-2006
2003-2007
2003-2008
2003-2009
2003-2010
2005
2005-2006
2005-2009
2005-2010
2005-2011
2005-2013
2005-2014
2005-2021
2005-2022
2005-2023
2006
2006-2009
2006-2015
2006-2022
2007
2007-2009
2007-2013
2007-2014
2007-2019
2007-2022
2007-2023
2007-2024
2008-2009
2008-2019
2008-2023
2009
2009-2012
2009-2014
2009-2016
2009-2022
2010-2014
2012-2017
2012-2020
2014-2022
2015-2019
2015-2022
2016
2016-2018
2018-2022
2020-2023
2021-2022
2022
2023
Amperage
250 amp alternator
(151)
320 amp alternator
(151)
370 amp alternator
(42)
400 amp alternator
(42)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Cadillac
Chevrolet
GMC
Hummer
Pontiac
Vehicle Model
Search
Astro
Avalanche
Blazer
C15
C15 Suburban
C25
C25 Suburban
C35
C1500
C1500 Suburban
C2500
C2500 Suburban
C3500
Camaro
Caprice
Chevelle
Colorado
Corvette
CTS
Escalade
Escalade ESV
Escalade EXT
Firebird
G20
G25
G30
G35
G3500
H2
Impala
Jimmy
K15
K20
K25
K25 Suburban
K1500
K1500 Suburban
K2500
K2500 Suburban
K3500
Malibu
Monte Carlo
P30
P35
P1500
P3500
R20
R2500
R2500 Suburban
R3500
Savana 2500
Savana 3500
Sierra
Sierra 1500
Sierra 1500 Classic
Sierra 1500 Hd
Sierra 1500 Limited
Sierra 2500
Sierra 2500 Hd
Sierra 2500 Hd Classic
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
Sprint
SSR
Suburban
Suburban 1500
Suburban 2500
Tahoe
Trailblazer
Trailblazer Ext
V3500
Yukon
Yukon XL
Yukon XL 1500
Yukon XL 2500
Vehicle Liter Engine
Search
2.8L
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
1970
1970-1971
1970-1972
1970-1973
1970-1974
1971-1972
1973
1973-1974
1973-1975
1973-1976
1973-1977
1973-1978
1973-1980
1973-1985
1973-1986
1974
1975-1976
1975-1980
1976
1976-1978
1976-1979
1976-1980
1977-1986
1979
1987-1988
1987-1999
1988
1988-1989
1988-1991
1988-1992
1989
1989-1991
1989-1999
1990
1991
1992
1993
1994-1995
1994-1997
1995-1999
1996
1996-1997
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
2003-2004
2003-2006
2003-2007
2003-2008
2003-2009
2003-2010
2005
2005-2006
2005-2009
2005-2010
2005-2011
2005-2013
2005-2014
2005-2021
2005-2022
2005-2023
2006
2006-2009
2006-2015
2006-2022
2007
2007-2009
2007-2013
2007-2014
2007-2019
2007-2022
2007-2023
2007-2024
2008-2009
2008-2019
2008-2023
2009
2009-2012
2009-2014
2009-2016
2009-2022
2010-2014
2012-2017
2012-2020
2014-2022
2015-2019
2015-2022
2016
2016-2018
2018-2022
2020-2023
2021-2022
2022
2023
Amperage
250 amp alternator
(151)
320 amp alternator
(151)
370 amp alternator
(42)
400 amp alternator
(42)
Price
icon-filter
Select Vehicle
156 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
1970 Chevrolet Townsman V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1971 Chevrolet Biscayne V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1971 Chevrolet Kingswood V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1972 Chevrolet Caprice V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1972 Chevrolet Chevelle V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1972 Chevrolet El Camino V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1972 Chevrolet Impala V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1970-1974 Chevrolet Corvette V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1971-1972 GMC Sprint V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973 Chevrolet Blazer V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973 Chevrolet Chevelle V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973 Chevrolet P10 Van V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973 Chevrolet P20 Van V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet C10 Pickup V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet C20 Pickup V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet C30 Pickup V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet K10 Pickup V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet K10 Suburban V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet K20 Pickup V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet K30 Pickup V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 Chevrolet P30 Van V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 GMC K15 Suburban V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 GMC K1500 Suburban V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 GMC K2500 Suburban V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 GMC K2500 V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1974 GMC K35 V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1975 Chevrolet Bel Air V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
Sale
1973-1975 Chevrolet El Camino V8 7.4L 12si High Output Alternator
Regular price
$499.00
Sale price
from $399.00
Save $100.00
1
2
3
…
6
icon-chevron
Next
Customers rate us 4.8/5 based on 234 reviews.
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
7.4L