Electrical Endurance How Long Do Alternators Stay Charged?

From what I've read, around 120-140K miles. I had mine done before it died, at 125K. The shop said my brushes were down to nubs, and I had maybe ... When that happens, the alternator needs to be replaced. It could be around 60,000 miles or less, or it could be more than 200,000 miles. Here's what you need to ... Just how often should an alternator be replaced? There is no set service interval for alternators. Its lifespan has generally affected the ... While vehicle batteries can last most drivers between 3-5 years, how long does the alternator last? An alternator can last longer, up to 100,000 ... The lifespan of an alternator can vary depending on multiple factors, such as driving conditions, type of vehicle, and maintenance. I believe alternators are one of those things that it is hard to put a life expectancy on, some will last the life of the truck and some may crap out in a year ... On average, alternators tend to last anywhere from 80,000 to 150,000 miles (or roughly 128,000 to 240,000 kilometers), but this can vary widely. Quality components are more durable and reliable, reducing the risk of premature alternator failure and ensuring long-term performance. Both the starter and the alternator last around 10-12 yrs/120,000 miles on average for this vehicle. ... JustAnswer is not intended or designed ... There isn't a set amount of time that alternators are designed to last, but there's a good chance you may need to have it replaced at some point between 100,000 ...