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
4.8L
Customers rate us 4.8/5 based on 202 reviews.
Select Vehicle
Select Vehicle
Vehicle Make
Search
Chevrolet
Dodge
GMC
Motor Swap
Vehicle Model
Search
Blazer
C15
C25
C25 Suburban
C35
C1500
C2500 Suburban
C3500
Chevrolet
G25
G35
Jimmy
K15
K20
K25
K25 Suburban
K35
K1500
K2500
K2500 Suburban
K3500
Motor Swap
P25
P35
P1500
P2500
P3500
R2500
R3500
Savana 2500
Savana 3500
Sierra 1500
Sierra 1500 Classic
Suburban
Tahoe
V2500
V3500
Yukon
Vehicle Liter Engine
Search
3.8L
4.1L
4.3L
4.8L
5.0L
5.3L
5.7L
6.0L
clear
Vehicle Year
Search
1963-1966
1963 1967
1966
1967
1967-1971
1967 1974
1967 1976
1967 1978
1967 1980
1967 1986
1967 1989
1968 1972
1968 1974
1968 1978
1968 1984
1968 1986
1970-1971
1973
1973-1974
1973 1982
1974
1974 1978
1975-1978
1975-1979
1975-1980
1975-1981
1979-1980
1980-1986
1983-1986
1987
1987-1988
1987-2004
1996-2004
1999-2004
2000-2004
2003 2017
2005-2009
2005-2013
2005-2017
2005-2020
2006-2007
2007
2009
Amperage
250 amp alternator
(111)
320 amp alternator
(111)
370 amp alternator
(24)
400 amp alternator
(24)
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
Chevrolet
Dodge
GMC
Motor Swap
Vehicle Model
Search
Blazer
C15
C25
C25 Suburban
C35
C1500
C2500 Suburban
C3500
Chevrolet
G25
G35
Jimmy
K15
K20
K25
K25 Suburban
K35
K1500
K2500
K2500 Suburban
K3500
Motor Swap
P25
P35
P1500
P2500
P3500
R2500
R3500
Savana 2500
Savana 3500
Sierra 1500
Sierra 1500 Classic
Suburban
Tahoe
V2500
V3500
Yukon
Vehicle Liter Engine
Search
3.8L
4.1L
4.3L
4.8L
5.0L
5.3L
5.7L
6.0L
clear
Vehicle Year
Search
1963-1966
1963 1967
1966
1967
1967-1971
1967 1974
1967 1976
1967 1978
1967 1980
1967 1986
1967 1989
1968 1972
1968 1974
1968 1978
1968 1984
1968 1986
1970-1971
1973
1973-1974
1973 1982
1974
1974 1978
1975-1978
1975-1979
1975-1980
1975-1981
1979-1980
1980-1986
1983-1986
1987
1987-1988
1987-2004
1996-2004
1999-2004
2000-2004
2003 2017
2005-2009
2005-2013
2005-2017
2005-2020
2006-2007
2007
2009
Amperage
250 amp alternator
(111)
320 amp alternator
(111)
370 amp alternator
(24)
400 amp alternator
(24)
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
123 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
2000-2002 GMC Yukon V8 4.8L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2000-2002 Chevrolet Tahoe V8 4.8L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2004 GMC Sierra 1500 V8 4.8L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2004 Chevrolet Silverado 1500 V8 4.8L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1988 GMC V3500 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1988 GMC R3500 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1988 GMC R2500 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1988 Chevrolet V30 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1988 Chevrolet R30 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1988 Chevrolet R20 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987 GMC V2500 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987 Chevrolet V20 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1983-1986 Chevrolet C35 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1980-1986 Chevrolet K30 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1989 Chevrolet P30 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1989 Chevrolet P20 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1986 Chevrolet K20 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1986 Chevrolet C30 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1986 Chevrolet C20 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1981 Chevrolet C10 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1980 Chevrolet P10 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1980 Chevrolet K10 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1979 Chevrolet G30 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1975-1978 Chevrolet G20 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1974-1978 GMC G35 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1974-1978 GMC G25 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1974 GMC G3500 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1974 GMC G2500 L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Previous
1
2
3
4
5
icon-chevron
Next
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
All