Bad Alternator vs. Bad Battery: What's the Difference?
Not sure if your battery or alternator is failing? Discover key symptoms, causes, and next steps to keep your car running with Firestone Complete Auto Care.
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Decades ago, DieHard batteries shattered expectations for when drivers needed them most — in extreme weather conditions and for high-performance output. Today, DieHard batteries house the latest innovative technology to meet the growing power demands of new vehicles. They're no ordinary battery, they're extraordinary.
All DieHard batteries are backed by a free replacement warranty ranging from two to four years. The warranty term varies based on the type of battery you select. Plus, all DieHard batteries installed by Firestone Complete Auto Care include the extra benefit of 24-month/24,000-mile DieHard Assurance coverage.
Restrictions Apply. DIEHARD and the DIEHARD LOGO are trademarks of Advance Stores Company.
*Based on survey of nationally representative sample of over 1,200 drivers conducted in 2021 by dataDecisions Group, an independent research company.
Not sure if your battery or alternator is failing? Discover key symptoms, causes, and next steps to keep your car running with Firestone Complete Auto Care.
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