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 Warranty. Buy online and pick up your purchase in a store near you today, or get Free Next Day Delivery on qualifying purchases.

If you need a new alternator or other charging system parts, you can shop our selection of replacement alternators, car batteries, and starters to find the parts you need to make your …

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 uses a permanent magnet for its magnetic field is called a magneto.

2025年3月4日 · 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, dashboard lights, power windows, …

Alternators for cars, which are essentially small generators, are a crucial piece of the electrical system. They maintain the charge on your vehicle's battery by feeding it a regulated current of electricity.

2022年5月9日 · When an engine is running, the alternator charges the battery and supplies additional electric power for the vehicle's electrical systems. Alternator. Click for a larger photo. An alternator is bolted to the engine and is driven by a serpentine belt (drive belt). An alternator is a maintenance-free unit.

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

Learn how to replace an alternator yourself on our How-To Hub, and find the right new or remanufactured alternator or starter to fit your repair needs. Find starters, fusible links, starter relays, alternators, voltage regulators, and much more at O'Reilly Auto Parts to keep your starting and charging systems performing as they should.

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