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
4.1L
Customers rate us 4.8/5 based on 202 reviews.
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Buick
Cadillac
Chevrolet
GMC
Infiniti
Oldsmobile
Pontiac
Vehicle Model
Search
98
Acadian
Allante
Apollo
Blazer
Bonneville
C15
C15 Suburban
C25
C35
C1500
C1500 Suburban
C3500
Camaro
Caprice
Catalina
Chevelle
Chevrolet
Cutlass
Deville
Eldorado
Electra
F85
Firebird
Fleetwood
G35
G1500
G2500
G3500
Grand Prix
Impala
Jimmy
K15
K15 Suburban
K20
K25
K1500
K1500 Suburban
K2500
Laurentian
Lemans
Lesabre
Malibu
Omega
P15 Van
P1500 Van
Parisienne
Q45
Regal
Seville
Skylark
Special
Sprint
Suburban
Tempest
Toronado
Ventura
Vehicle Liter Engine
Search
4.1L
4.3L
4.8L
5.3L
6.0L
clear
Vehicle Year
Search
1966
1966-1967
1966-1971
1967
1967 1974
1967 1976
1967 1978
1967 1980
1967 1984
1968-1969
1968 1970
1968-1971
1968 1974
1968 1978
1968 1980
1970
1970-1971
1970 1974
1970 1978
1970 1984
1971 1976
1973
1973-1974
1973-1975
1973-1976
1971 1977
1973-1979
1973 1977
1973 1982
1973 1980
1975-1980
1976 1984
1977-1979
1980
1980-1981
1980-1984
1981 1983
1982
1982-1984
1986-1987
1987
1987-1988
2005-2020
Amperage
250 amp alternator
(138)
320 amp alternator
(138)
370 amp alternator
(7)
400 amp alternator
(7)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Buick
Cadillac
Chevrolet
GMC
Infiniti
Oldsmobile
Pontiac
Vehicle Model
Search
98
Acadian
Allante
Apollo
Blazer
Bonneville
C15
C15 Suburban
C25
C35
C1500
C1500 Suburban
C3500
Camaro
Caprice
Catalina
Chevelle
Chevrolet
Cutlass
Deville
Eldorado
Electra
F85
Firebird
Fleetwood
G35
G1500
G2500
G3500
Grand Prix
Impala
Jimmy
K15
K15 Suburban
K20
K25
K1500
K1500 Suburban
K2500
Laurentian
Lemans
Lesabre
Malibu
Omega
P15 Van
P1500 Van
Parisienne
Q45
Regal
Seville
Skylark
Special
Sprint
Suburban
Tempest
Toronado
Ventura
Vehicle Liter Engine
Search
4.1L
4.3L
4.8L
5.3L
6.0L
clear
Vehicle Year
Search
1966
1966-1967
1966-1971
1967
1967 1974
1967 1976
1967 1978
1967 1980
1967 1984
1968-1969
1968 1970
1968-1971
1968 1974
1968 1978
1968 1980
1970
1970-1971
1970 1974
1970 1978
1970 1984
1971 1976
1973
1973-1974
1973-1975
1973-1976
1971 1977
1973-1979
1973 1977
1973 1982
1973 1980
1975-1980
1976 1984
1977-1979
1980
1980-1981
1980-1984
1981 1983
1982
1982-1984
1986-1987
1987
1987-1988
2005-2020
Amperage
250 amp alternator
(138)
320 amp alternator
(138)
370 amp alternator
(7)
400 amp alternator
(7)
Price
icon-filter
Select Vehicle
138 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
1968-1974 GMC K25 Suburban L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1974 GMC K2500 Suburban L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1974 GMC K35 Pickup L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1974 GMC K3500 Pickup L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1978 GMC C15 Suburban L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1980 GMC C1500 Suburban L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1969 Chevrolet Brookwood L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1969-1972 Chevrolet Blazer L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1969-1972 Chevrolet Nova L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970 Chevrolet G10 Van L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970 Chevrolet P20 Van L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970 Chevrolet P30 Van L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970 GMC P15 Van L6 4.1L 12si High Output Alternator
Regular price
$449.00
Sale price
from $349.00
Save $100.00
Sale
1970 GMC P1500 Van L6 4.1L 12si High Output Alternator
Regular price
$449.00
Sale price
from $349.00
Save $100.00
Sale
1970-1971 GMC Jimmy L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1972 Chevrolet G30 Van L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1978 GMC G35 L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1984 GMC G3500 L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1971-1972 GMC Sprint L6 4.1L 12si High Output Alternator
Regular price
$449.00
Sale price
from $349.00
Save $100.00
Sale
1971-1972 Pontiac Ventura L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1971-1976 Pontiac Firebird L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1972-1977 Pontiac LeMans L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973 Chevrolet Bel Air L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973 Chevrolet Chevelle L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973-1974 Chevrolet Blazer L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973-1974 Chevrolet C10 Pickup L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973-1974 Chevrolet C20 Pickup L6 4.1L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973-1974 Chevrolet C20 Suburban L6 4.1L 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
4.1L