If you have had alternator failures this is for you........

[spriley0]

alright the stock alternator from oreillys was crap so they let me get a 2003 silverado 5.3 alternator instead. It was kind of pain in the ass to make it fit but it did and you might have to extend ur exciter wire i didnt cause i order a new one from ebay. I forget about the pulley and didnt switch it out or have the stock one. The stock belt will not work so I have a buddy who works at auto zone we manage to get a belt that will work. I havent had any issues yet but we will see....



The alternator item number from o reillys is 01-1873 and the belt that works with it that i bought from auto zone is 800k6 hopes this helps some people...... The truck alternator is 145 amps compared to the stock 105 amps

[pajeff02]

Remanufactured parts can be a hassle. I imagine the same company supplies all of O'Reilly's alternators, so -- from a quality perspective, what was really the difference between the truck altternator and just getting another car alternator that would fit without modification?


BTW: Welcome to the site!

[2NDSLPSS]

think you missed it . . . he is not saying the truck alternator is a better quality. think he was saying the higher output alternator will be under less strain thus making it less likely to fail.

thanks for the input had the same problem with O'reilly alternators before i 3rd one failed i ended up putting the engine on a stand. i think i will be using a higher quality higher output alternator at the end of my build, but idk

[spriley0]

yea you do have a point should of went to the junkyard but we will see what happens

[sjsingle1]

truck alt FTW!!! ask me how i know.........