Repair Lane

Alternator Replacement

Replace a failing alternator that's not charging the battery.

UrgentDifficulty: moderate~12.8 hrs1 day
Estimated total
$330–1,000
Parts$190–620
Labor$140–380
Labor time12.8 hrs
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What's involved

What this repair actually is.

The alternator is removed (often with the serpentine belt) and replaced; charging system tested.

Symptoms

How you can tell.

  • Battery light on
  • Dim or flickering lights
  • Car dies after a jump-start
  • Whining noise
If you delay

You'll be stranded — once the battery is drained, the car won't run.

Maintenance tip

No service interval — replace on failure.

Educational estimate. Real pricing depends on your vehicle, the inspection, parts availability, taxes, and shop rates. Use this as a guide while you shop quotes.
Related

Often done together.