Reviews of Delco Remy alternator

I just upgraded my 7.3L to a Delco Remy 28SI 200amp alternator.

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.

I bought a rebuilt Delco Remmy from Rock Auto for all things, a Mazda Protege. No issues in the last few years of driving.