Shop for the best Alternator for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts.

In principle, any AC electrical generator can be called an alternator, but usually, the term refers to small rotating machines driven by automotive and other internal combustion engines. An alternator that …

Find an alternator that fits your car and delivers the same performance as original equipment, or better. We carry long lasting replacements, like Duralast Gold alternators that come with a Limited-Lifetime …

Mar 4, 2025 · It supplies electricity to the battery and electrical system to keep your car alive when the engine is running. As you drive around or idle, the alternator powers key components like headlights, …

Your alternator is a vital part of your vehicle's electrical system. Mounted onto a car or truck’s engine, it converts your vehicle's mechanical energy into electrical energy.

Online shopping for Alternators - Alternators & Generators from a great selection at Automotive Store.

An alternator is a type of electric generator used in modern automobiles to charge the battery and to power the electrical system when its engine is running. Until the 1960s, automobiles used DC …

Got a bad alternator you need to swap out? Learn all the steps to do the job right.

The alternator is crucial for charging your vehicle’s battery and powering electrical systems, and it may require repair or replacement due to wear and tear, electrical issues, or physical damage.

Get an estimate today and take your vehicle to your local NAPA Auto Care center for alternator repair or replacement service by an ASE-certified technician.