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
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
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
Jimmy 4.8L
Customers rate us 4.8/5 based on 192 reviews.
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
GMC
Vehicle Model
Search
Jimmy
clear
Vehicle Liter Engine
Search
4.8L
clear
Vehicle Year
Search
1970-1971
1973
Amperage
250 amp alternator
(2)
320 amp alternator
(2)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
GMC
Vehicle Model
Search
Jimmy
clear
Vehicle Liter Engine
Search
4.8L
clear
Vehicle Year
Search
1970-1971
1973
Amperage
250 amp alternator
(2)
320 amp alternator
(2)
Price
icon-filter
Select Vehicle
2 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
1970-1971 GMC Jimmy L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1973 GMC Jimmy L6 4.8L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
4.8L