Description
ACDelco’s Professional Remanufactured Alternators are a high quality replacement for many vehicles on the road today. ACDelco’s Professional Remanufactured Alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals. Rotors and stators are electronically tested and then sealed with secondary insulating coating. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. These alternators will provide the same performance, durability, and service life you expect from ACDelco.
Imported customer feedback
What customers reported
4.4 / 5
1,255 ratings
Source: Amazon. These reviews were imported from the source marketplace and are not reviews of purchases made on this website.
No structured vehicle fitment data is available. Compare the listing with the vehicle and existing part before ordering.
Exact identity, part numbers, model references, and available compatibility evidence
Buying guidance
Quick decision
An identity-first alternators listing organized around stable product references and available compatibility evidence.
Fit and size notes
- Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
- Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.
Specification notes
- Canonical product: MP-US-B000C9NN5S
- Source product ID: B000C9NN5S
- Category: Replacement Parts / Starters & Alternators / Alternators & Generators / Alternators
- Available images: 6
Before you buy
- Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
- Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.
Pinoy –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
I’ve had pretty good luck with AC Delco parts. This alternator fit my 1981 Jeep CJ7 with 360 from a 1982 full size Jeep perfectly. Proper clocking, nice looking rebuilt alternator. Priced right, has new machined pulley, not stamped like old one. Fan fins were not bent, box was beat up but was packed with a lot of bubble wrap. Installed with no problem, started up vehicle and is charging at 14+ volts as expected. Cannot comment on longevity as I have been doing other repairs on the vehicle and have not run it much yet. I was hesitant to order as it had mixed reviews, but seems good. It was remanufactured in China which can be hit or miss
فايز خلوفة –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
سي
Ryan Murphy –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
Installed this on my case 800 tractor, works great, not much to modify to make it fit. And it charges at minimal rpm. Because it came with a small pulley. Exactly what I needed for my tractor. And I included a picture of the belt packing, that’s the belt that fits the crank, water pump, and the alternator pulley.
sarnia1 –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
Likes:1. Speedy delivery, a day early2. Good price3. Great quality4. Works as it shouldBack story:I was looking for a replacement alternator for my 65’ Rambler. Original was a 37 amp. This unit is a 65 amp for an AMC Concorde with the same engine. Size Specs matched up. This was a perfect upgrade from a reputable rebuilder at a decent cost. Fantastic delivery and no Core return required.
Frank T. –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
I purchased for two of my old cars. Not fitted yet so can not speak for their longevity or if they even work as they should. They appear very new though rebuilds I believe. We will see.
B –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
Quiet unit. Has to be exited, not a one wire setup. Main wire to battery, higher wire goes back to the main post of the unit, the lower wire to a keyed hot. Started up my old ford tractor and it worked perfectly. Charges at about 14v on analog gauge. Only had it about a week, but so far so good.
JUAN M. –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
El alternador funciona perfectamente. Me hubiera gustado que incluyeran un diagrama de instalación.
Dan the repair man –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
I ordered this as a random replacement only for it to be an exact match, what are the odds, and it works well. Very happy
sojourner –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
I have many units that use these Delco SI series alternators. Perform well for thousands of hours.Did notice it was rebuilt in China. Some people may prefer different.
W –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
OK, have you ever been so inspired by a product you got off Amazon that you felt COMPELLED to get on the computer and write a review? You are not alone, I never was either… Until now!!!This is your classic 3 wire Delco alternator. King of the 6 volt to 12 volt conversion kingdom. I’ve done this conversion many times and had mixed luck by going to the parts store and getting junk and going to online outlets and getting junk.I’m pleased to announce I have a one stop, NEXT DAY source of quality American made, American remanufactured alternators. Amazon Renewed – huh? You got that right!!! And NO, you don’t have to send in a core.This thing is actually better than some of the brand new alternators that I have bought. I was re-indexing the back to make it fit my application and accidentally opened it too far and the brushes popped out – not a problem at all but it gave me a chance to see the innards and they were clean and well tended. Quality inside and out.I’ve added pictures of the markings/stickers on the outside of the unit to prove this thing was not remanned anywhere but the good ol US of A. (By the way, in the pictures, knicks and dirt on the new unit came from ME. It was not getting the white glove treatment) The ol boys did a great job. Heck they even included an instruction manual – with pictures – and detailed how-to-do-an-alternator instructions. That alone is worth the price of a university text book, and it was in three languages. I’ll be dog-gone if they aren’t POLYGLOTS.Bottom line: Awesome unit and well worth the money.
S.K.H –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
I needed a simple alternator for a piece of farm equipment the requires a full 12 volts. The original alternator on the machine was obsolete an unaffordable when I found one finally. I decided instead to buy one of these alternators instead as the simplicity of an AC Delco alternator can’t be beat. So I bought this for my application and with one simple bracket modification it works flawlessly. It charges and works great even at low RPM. Price, quality, and dependability can’t be beat.
Scott –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
I ordered 2 of these Alternators. Be aware that the rear housing is clocked incorrectly to use on a Passenger side engine mount. They are relatively easy to clock, and a few YouTube videos on how to do that. The quality of the Alternator rebuild is very good. The parts look good inside also. I give it 4 stars only because they are all clocked the same… for a Driver side mount application.
glenn moyer –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
So far I’ve ordered 3 of these first one worked but was insanely loud till a year later I found the bearings failed and were bad from the start the bearings failed on a n vehicle that dosent get a lot of mileage at most 1,500 miles a year as a rock crawler. Second one so far is much better was quiet and still is, 3rd didn’twork out of the box for a different vehicle. For a 33% chance so far I’ll probably still buy them price is rite and being amazing you can exchange. I probably wouldn’t use for a daily driver but would keep an extra as a spare. Have a friend who ordered the same alternator and has been working for a little over a year on another rock crawler. Probably should buy a better one but for toys I’ll just keep swapping cheapos. Updated review. Tried to do an exchange for the same part and sent a completely different alternator, so not only bum parts but incompetent too