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 …

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 …

Mar 4, 2025 · Learn how your car's alternator powers electrical components and charges the battery. Discover how it works, signs of a bad alternator, and when to get service.

Keep reading to learn more about the purpose of your car’s alternator, as well as the symptoms of a failing alternator, and how to check the alternator to determine if it’s time for it to be replaced.

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.

Choose from a wide range of new and remanufactured alternators for any location (upper, lower, primary, auxiliary, etc.). Take a look at our products today and get big savings on a …

If it's time for an alternator replacement, NAPA Auto Parts carries a vast supply of alternator repair kits, condensers, bracket clamps and even rectifiers and brushes for all your alternator repair …

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Nov 18, 2025 · alternator, Source of direct electric current in modern vehicles for ignition, lights, fans, and other uses. The electric power is generated by an alternator mechanically coupled to …

Alternator is an important component in your vehicle's electrical system, ensuring that your battery remains charged and your electrical devices function smoothly. It takes the mechanical energy …