How Long Should A Rebuilt Alternator Last. Generally speaking you can expect your car alternator to last anywhere between 40000 and 100000 miles. Most of the rebuilt alternators will break down almost a year after replacement especially the cheap ones.
Last but certainly not least if you have a vehicle that is newer than a 2001 model you might have an alternator that is controlled digitally by a brain computer. Hard to say when one will go mansometimes they last foreversometimes they just go every couple yearsdepends on who rebuilds it. How to Tell if an Alternator is Bad Signs and Symptoms of a Failing Alternator.
Normal driving around town nice and easy no over-reving and Im no longer a canyon commando.
Normal driving around town nice and easy no over-reving and Im no longer a canyon commando. With the advent of rebuilt alternators people are having cheaper options while choosing an alternator for their car or other vehicles other than the branded ones like Valeo alternator or Delco Remy alternator. The alternator is dismantled and inspected. There is no average time it goes out when something fails.
