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 …

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.

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 …

Aug 5, 2025 · Learn what an alternator is, how it works, and its key components. A beginner-friendly guide to understanding alternators in automotive and industrial applications.

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 …

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

How do Alternators Work? Your vehicle’s alternator is part of its starting and charging system. Its primary job is to maintain the charge of your car battery. Alternators produce AC power …

Aug 22, 2021 · The alternator is a component in a vehicle that converts mechanical energy into electrical energy, providing power to various systems. It works by using a serpentine belt to …

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.

Feb 24, 2025 · Here's how to tell if your car needs a new alternator and how to install one yourself. If your car or truck won't hold a charge, you probably need a new alternator. Learn …