The AD-244 alternator fits the 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 8.1L V-8 and 6.6L
Duramax Diesel engines for the Tahoe, Avalanche, Escalade, Yukon,
Silverado, Sierra, Denali, and Suburban.
The large frame AD-244 can also retrofit early model Chevy & GMC Truck & SUV applications for a superior high amp replacement.
Our Brand Ad 244 alternators are constructed using the best high output components available on a O.E. platform made in the U.S.A.
The larger AD-244 alternator produces more power at
lower engine speeds compared to any of the smaller
alternators. Plus the larger AD-244 alternator has
superior cooling much more reliable under extreme high
The Larger AD-244 High amp alternator will bolt directly in place of your
existing 100-105 amp AD230 alternator without any modifications to the
vehicle. It is recommended that you upgrade the battery wire that
connects to the rear of your alternator. You need a bigger wire to get the
power out of the alternator and into your battery and electrical system.
Our new generation of AD-244 Pro-Series & SP-Series are equipped with
a heavier "copper" heat sink rectifier and heavy duty quality regulators
that just do not go bad! The OEM and Workhorse Series have 75 amp
heavy duty diodes. With perfectly balanced rotor and stator
combinations for the best performance from every Nations High Amp
We can't stress enough that our standards of quality are above and
beyond our competitors.Proud to say "Made in the USA".
We use only premium double sealed high temperature rated bearings from NTN and NSK on precision
computer balanced rotors for maximum bearing life even under heavy loads.
This alternator also features high copper content brushes and small diameter slip rings for the longest service
life possible!All of this adds up to be the best replacement alternator available, sold at a competitive price and backed up with a FULL 2 YEAR REPLACEMENT WARRANTY!
The AD-244 alternator can retrofit the 2.2L, 3.1L, 3.8L, 4.3L & most other engines with the use of adapter
brackets, extra hardware, adapter plugs and modifications. It is the best choice for almost all GM vehicles for extreme high output duty. Contact us if you have questions!
Click Here to See All of our AD-244 options!!!