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
3.9L
Select Vehicle
Select Vehicle
Vehicle Make
Search
Buick
Dodge
GMC
Lincoln
Pontiac
Saturn
Vehicle Model
Search
B2500
Dakota
Durango
G6
Impala
Ls
Lucerne
Malibu
Monte Carlo
Mustang
Relay
Terraza
Thunderbird
Uplander
Vehicle Year
Search
2006-2011
2003-2005
1988-1991
2004-2007
2003-2006
2006-2009
1995-1997
1999-2001
2009-2011
2006-2007
2006
1999
1997
1992-1993
1998
2004
1988-1989
1989 1992
1994 1999
2005
2001
1999 2003
1989 1991
1989
1992 1994
Vehicle Liter Engine
Search
3.9L
clear
Amperage
250 amp alternator
(40)
320 amp alternator
(40)
370 amp alternator
(6)
400 amp alternator
(6)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
Vehicle Make
Search
Buick
Dodge
GMC
Lincoln
Pontiac
Saturn
Vehicle Model
Search
B2500
Dakota
Durango
G6
Impala
Ls
Lucerne
Malibu
Monte Carlo
Mustang
Relay
Terraza
Thunderbird
Uplander
Vehicle Year
Search
2006-2011
2003-2005
1988-1991
2004-2007
2003-2006
2006-2009
1995-1997
1999-2001
2009-2011
2006-2007
2006
1999
1997
1992-1993
1998
2004
1988-1989
1989 1992
1994 1999
2005
2001
1999 2003
1989 1991
1989
1992 1994
Vehicle Liter Engine
Search
3.9L
clear
Amperage
250 amp alternator
(40)
320 amp alternator
(40)
370 amp alternator
(6)
400 amp alternator
(6)
Price
icon-filter
Select Vehicle
40 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
2009-2011 Buick Lucerne 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2011 Chevrolet Impala 3.9L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2009 Pontiac Montana 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2009 Pontiac G6 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2009 Chevrolet Uplander 3.9L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2007 Saturn Relay 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2007 Chevrolet Malibu 3.9L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006-2007 Buick Terraza 3.9L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2006 Chevrolet Monte Carlo 3.9L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2005 Lincoln LS 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2004-2007 Ford Freestar 3.9L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2004 Ford Mustang 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2006 Lincoln LS 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2003-2005 Ford Thunderbird 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
2001 Dodge Ram 2500 Van 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2003 Dodge Ram 1500 Van 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2003 Dodge Dakota 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2001 Dodge Ram 1500 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999 Dodge Durango 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998 Dodge Durango 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1997 Dodge Ram 1500 Van 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1995-1998 Dodge B1500 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1995-1997 Dodge B2500 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1994-1998 Dodge Ram 1500 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1992-1998 Dodge Dakota 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1992-1994 Dodge B250 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1992-1994 Dodge B150 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1992-1993 Dodge W150 3.9L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
1
2
icon-chevron
Next
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
All