Alternator prices vary due to different brands, sizes, and amps that various vehicles need. If you have an awesome audio system, odds are you'll need a more expensive alternator that puts out more amperage for your car's electrical needs. In general, expect $130 to $250 for a quality alternator.

Will a bad alternator make your car shut off?

Engine Stalling

A faulty or dying alternator may only work in fits and starts. As a result, the alternator may not have what it takes to keep your battery fully charged — even with your engine running. As a result, you may find your car stalling out at odd times.

How long will bad alternator last?

The battery's job is to start the car, and the alternator keeps it running.” Gunning says an alternator typically lasts about seven years — or about 100,000 to 150,000 miles, says Waits.

What sound does an alternator make when going bad?

If you're hearing a grinding sound in your car, this could indicate that the alternator is going bad. The grinding sound may be caused by a worn-out bearing. Your car can also make a whining sound when the voltage regulator is sending signals to the alternator to charge more than is necessary.

Related Question how much is alternator

How often should you replace alternator?

In general, you can expect alternators to last about 6-10 years, or about 80,000-150,000 miles.

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