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 · 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.

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.

6 days ago · A complete U.S.-focused guide to alternator failures—covering warning signs, diagnostics, belt-driven vs smart alternators, replacement steps, costs, safety considerations, and best practices …

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 or …

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

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 …

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 the engine, …