Find quality Kia Optima alternator (also known as ALT, GENERATOR) parts at unbeatable prices. Save 50-70% compared to dealership prices.
Start by selecting your vehicle year
Year
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Find quality Kia Optima alternator (also known as ALT, GENERATOR) parts at unbeatable prices. Save 50-70% compared to dealership prices.
SSL Secured · Your privacy matters · Read our privacy policy
Start by selecting your vehicle year
Year
Make
Model
Enter your year, make, model, and the part you need.
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Need a Alternator Kia Optima? Car Parts Finder USA searches thousands of sellers to find the best alternator at the lowest prices with guaranteed fitment.

Prices vary by model year — newer vehicles typically cost more. Click any year to search current listings.
2020 Kia Optima
$45–$130 used
2019 Kia Optima
$45–$130 used
2018 Kia Optima
$35–$105 used
2017 Kia Optima
$35–$105 used
2016 Kia Optima
$35–$105 used
2015 Kia Optima
$35–$105 used
2014 Kia Optima
$35–$105 used
2013 Kia Optima
$30–$85 used
2012 Kia Optima
$30–$85 used
2011 Kia Optima
$30–$85 used
2010 Kia Optima
$30–$85 used
2009 Kia Optima
$30–$85 used
2008 Kia Optima
$30–$85 used
2007 Kia Optima
$30–$85 used
2006 Kia Optima
$30–$85 used
2005 Kia Optima
$30–$85 used
2004 Kia Optima
$30–$85 used
2003 Kia Optima
$30–$85 used
Showing 18 of 20 years. Use the year picker above to find all years.
The alternator is your vehicle's electrical generator, converting mechanical energy from the engine into electrical power to charge the battery and run all electrical systems while driving. When the alternator fails, your battery will drain, electrical systems will malfunction, and eventually your vehicle won't start or run. The Alternator (also known as ALT, GENERATOR) is a critical component for your Kia Optima.
Know when your Optima alternator needs replacement:
Alternator replacement is a moderate DIY job accessible to most home mechanics. The alternator is typically mounted on the front of the engine, driven by the serpentine belt. Replacement involves: disconnecting the battery, removing the belt tensioner to release belt tension, disconnecting electrical connections, unbolting the alternator, and reversing the process with the new unit. Most replacements take 1-2 hours. Some vehicles have alternators in difficult locations requiring additional component removal.
$50-$150
$100-$250
$200-$400
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