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.

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 …

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

Dec 15, 2025 · Learn how to diagnose a failing alternator and replace it safely with U.S.-specific tips, tools, costs, and common mistakes to avoid. The alternator is the heart of your vehicle’s …

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.

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 …

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 …

Apr 19, 2023 · Your battery, alternator, and starter work together to get your vehicle started and keep it running smoothly. But since they all work together, it can be difficult to determine which …