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How much should a new alternator cost?

The cost of a new alternator can vary depending on the make and model of your vehicle, but on average, you can expect to pay between $150 and $500 for a replacement alternator. The exact price will depend on factors such as the type of vehicle, the specific alternator needed, and whether you choose an original equipment manufacturer (OEM) or aftermarket part.


What is an Alternator?


An alternator is a critical component in a vehicle's electrical system. It is responsible for generating the electrical power needed to charge the battery and run the various electrical components in the car, such as the lights, radio, and other accessories. When the alternator fails, it can cause the battery to drain and the vehicle to lose power, potentially leaving you stranded.


Factors Affecting Alternator Replacement Cost



  • Vehicle Make and Model: The cost of a replacement alternator can vary significantly depending on the make and model of your vehicle. Luxury and high-performance vehicles tend to have more expensive alternators, while more common and budget-friendly models may have lower-cost alternators.

  • OEM vs. Aftermarket: Original equipment manufacturer (OEM) alternators are typically more expensive than aftermarket alternatives, but they are designed to be a direct replacement for the original part and may offer better quality and compatibility.

  • Labor Costs: The cost of labor to replace the alternator can also add to the overall expense. Depending on the complexity of the job and the mechanic's hourly rate, labor costs can range from $50 to $150 or more.

  • Alternator Type: Some vehicles may require a more specialized or high-output alternator, which can increase the replacement cost.


It's important to note that the cost of a new alternator can also be influenced by factors such as the age and mileage of your vehicle, the condition of the existing alternator, and any additional parts or components that may need to be replaced during the repair process.


When to Replace an Alternator


Alternators typically have a lifespan of around 80,000 to 150,000 miles, but they can fail prematurely due to various factors, such as excessive heat, electrical overloads, or mechanical wear and tear. Signs that your alternator may need to be replaced include:



  • Dimming or flickering headlights

  • Battery not charging properly

  • Electrical issues or malfunctions in the vehicle

  • Battery warning light illuminated on the dashboard


If you suspect your alternator is failing, it's important to have it tested and replaced as soon as possible to avoid further damage to your vehicle's electrical system and potential breakdowns.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.