AD244 Alternator Cross-Reference
New Member
Joined: Mar 2017
Posts: 99
From: Atlanta, GA
No worries. What you described is pretty much how I have interpreted what I learned with the added requirement that it have the right RPO code. This was put together from online documents but I have not tested these applications.
To borrow an expression from the mathematicians, finding a Chevy Express 3500 van or a GMC Savanna of the right years "is a necessary but not sufficient condition" to ensure you get a 145A drop-in alternator.
As best as I could figure, the 145A alternator was available as an option on all Chevy Express 3500 and GMC Savanna vans but they might not have all come with them.
For instance, off the top of my head, RPO KG8 was a 135A alternator that could also fit our Blazers. This is still an improvement but we might as well get the 145A one, right?
Does that help?
P.S. What I plan to do when it gets warmer is go to a u-pull yard with the spread-sheet file and cruise the GM/Chevy truck section looking for likely vehicles and then check them against the list and look for the right RPO code. What I do not know very well are the engines by sight which seems to be one of the determining factors if a vehicle had a KG3 code or not.
To borrow an expression from the mathematicians, finding a Chevy Express 3500 van or a GMC Savanna of the right years "is a necessary but not sufficient condition" to ensure you get a 145A drop-in alternator.
As best as I could figure, the 145A alternator was available as an option on all Chevy Express 3500 and GMC Savanna vans but they might not have all come with them.
For instance, off the top of my head, RPO KG8 was a 135A alternator that could also fit our Blazers. This is still an improvement but we might as well get the 145A one, right?
Does that help?
P.S. What I plan to do when it gets warmer is go to a u-pull yard with the spread-sheet file and cruise the GM/Chevy truck section looking for likely vehicles and then check them against the list and look for the right RPO code. What I do not know very well are the engines by sight which seems to be one of the determining factors if a vehicle had a KG3 code or not.
There are also sites like car-part.com that let you search multiple yards and take some of the legwork out of it for you. I searched for a 2003 Tahoe alternator near my ZIP code and found a 'Grade A' one specifically listed as 145 amp, opt KG3 for $45 just 20 minutes from me. I'd almost run out and get it tomorrow just for fun if I hadn't just replaced my 100A alternator last week with an expensive-ish Bosch remanufactured one.
I've also only a added a tame stereo and a phone charger onto my factory electrical system so I have the luxury of not having to worry about needing to upgrade, different belt sizes, fuel efficiency hit etc.
Nice work though, and good luck too.
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BF Guru
Joined: Dec 2016
Posts: 5,601
From: Moscow, ID
Gotcha. I understand about necessary/sufficient, was just a little confused why a "hunting guide" was needed when remanufactured ones seem easily found for not lots of $$ but perhaps there's just still more to it than I'm getting.
There are also sites like car-part.com that let you search multiple yards and take some of the legwork out of it for you. I searched for a 2003 Tahoe alternator near my ZIP code and found a 'Grade A' one specifically listed as 145 amp, opt KG3 for $45 just 20 minutes from me. I'd almost run out and get it tomorrow just for fun if I hadn't just replaced my 100A alternator last week with an expensive-ish Bosch remanufactured one.
I've also only a added a tame stereo and a phone charger onto my factory electrical system so I have the luxury of not having to worry about needing to upgrade, different belt sizes, fuel efficiency hit etc.
Nice work though, and good luck too.
There are also sites like car-part.com that let you search multiple yards and take some of the legwork out of it for you. I searched for a 2003 Tahoe alternator near my ZIP code and found a 'Grade A' one specifically listed as 145 amp, opt KG3 for $45 just 20 minutes from me. I'd almost run out and get it tomorrow just for fun if I hadn't just replaced my 100A alternator last week with an expensive-ish Bosch remanufactured one.
I've also only a added a tame stereo and a phone charger onto my factory electrical system so I have the luxury of not having to worry about needing to upgrade, different belt sizes, fuel efficiency hit etc.
Nice work though, and good luck too.
For me, I'm seriously thinking of adding a winch which will require more electrical power. That was the original motivation for doing this.
Oh and isn't that car-part.com site great? Not so good for U-Pull yards though but I guess it is good to leave room for a little mystery in our lives.
Beginning Member
Joined: Apr 2020
Posts: 48
From: St Clair Shores,MI 48082
I was just looking up things and came accross this. This is from autozone if you wanted to buy the KG3 and this is for a 2004 Cadillac Escalade with the 6.0 ACDelco Remanufactured Alternator 321-2128
Price: $414.99
Core $45.00
Price: $414.99
Core $45.00
- ★★★★★No rating value for ACDelco Remanufactured Alternator 321-2128(0)
- Part Number: 321-2128
- Warranty: 1 YEAR
- Notes: 145 Amp (KG3). Special equipment option 145 Amp (8C6). Reman
BF Veteran
Joined: Jul 2013
Posts: 2,422
From: Northeastern Nevada, USA
I was just looking up things and came accross this. This is from autozone if you wanted to buy the KG3 and this is for a 2004 Cadillac Escalade with the 6.0 ACDelco Remanufactured Alternator 321-2128
Price: $414.99
Core $45.00
Price: $414.99
Core $45.00
- ★★★★★No rating value for ACDelco Remanufactured Alternator 321-2128(0)
- Part Number: 321-2128
- Warranty: 1 YEAR
- Notes: 145 Amp (KG3). Special equipment option 145 Amp (8C6). Reman
Starting Member
Joined: Aug 2020
Posts: 152
From: columbia, mo
Verified. 97 2 door with ac.
I just installed the 8292N-253A (alternator) and a AC Delco 6k970 belt. The belt is one inch longer. The alt pulling 1 amp it was producing 14.53 volts.
Last edited by jinmajay; Nov 30, 2020 at 06:09 PM. Reason: add more information
Thread Starter
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BF Guru
Joined: Dec 2016
Posts: 5,601
From: Moscow, ID
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