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How much does it cost to replace a car alternator?

I’ve Googled my car’s symptoms and I think I have an alternator problem. Before I call a mechanic, how much does it cost to replace a car alternator?

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Bonnie Stinson · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
The average cost of a car alternator replacement is between $300 and $450, including parts and labor. If you go to a dealership: Your bill will probably be closer to $500 or more. That’s because they typically use OEM (original equipment manufacturer) parts, not aftermarket parts. Plus, they generally charge more for services than your local auto shop.
  • Timing is everything: It usually takes
    two to three hours
    to replace an alternator. Depending on the mechanic’s hourly fee, that’s about $200 in labor costs.
  • If you use OEM parts: You can expect to pay between $200 and $350 for a new alternator before labor costs. If you don’t mind using aftermarket parts, you could pay between $100 to $200 for a new part.
  • Alternator problems usually come with other problems: Your mechanic may discover other parts that need to be replaced during the service, such as the serpentine belt or the battery. This could add another $50 to $150 to your fee. You can save money by choosing aftermarket parts, but be wary of poor quality brands.
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