I just upgraded my 7.3L to a Delco Remy 28SI 200amp alternator.
Pros: added amperage
Part number: 8600313
Reviews of Delco Remy alternator
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13 votes
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I saw a plain old Delco Remy lock up last week. Seems like it's a ring toss if they fail mechanically like this or simply stop charging.
That looks like a Delco 50DN alternator from a transit bus. They are oil cooled and they are real workhorses. They produce a very high output at the engine idle speed which is what we need to keep up the electrical load of the A/C units on our buses. Watch out for oil leaks that is the only real problem you have with them. They will outlast everything else on the market in my opinon.
Pros: real workhorses, high output
Cons: watch out for oil leaks
Part number: 50DN
I bought a rebuilt Delco Remmy from Rock Auto for all things, a Mazda Protege. No issues in the last few years of driving.
Pros: no issues
Vehicle:
Mazda Protege
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What we know about Delco Remy alternator
The brand is registered in Belgium. Official website: http://www.delcoremy.com/.
In March 2026, PartReview does not yet have a formed opinion of Delco Remy alternator. This part is not in the ranking due to insufficient reviews. You can help by adding a review for Delco Remy alternator.
Currently there are 4 reviews and 13 votes. Average rating — 4.5 out of 5. Vote balance: 11 up, 2 down.
Users also evaluated the qualities of Delco Remy alternator:
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