The alternator is part of your vehicle's charging system. What is does is simple: it takes mechanical energy from the engine and turns it into the electrical energy that feeds many of your systems and accessories.

How an Alternator Works

The vertical motion of the engine pistons is used by the crankshaft, which turns that into rotary motion. That rotary motion turns a drive belt that's attached to a pulley located on the rotor shaft. That spins magnetic coils, which produce a magnetic field. That field's energy is captured as AC power by a rectifier, which converts it into DC power. A voltage regulator manages that power, distributing it to such parts as your power windows, wipers, and entertainment systems.

How to Spot a Failing Alternator

Unfortunately, even the best alternator can go bad. Signs of trouble include:

Dimmed or flickering headlights
Dashboard warning lights come on
The entertainment system starts misbehaving
The power windows stop operating
You hear a whining noise coming from the engine
Your battery continually dies

Repair Alternator Problems Right | Choose Genuine Mopar Alternators

Your OEM designs it alternators to work with the cars, SUVs, vans, and pickups it makes. In fact, they're the only alternators guaranteed to be compatible with your model, ensuring proper fit and performance from the start. Buy yours today from our online auto parts department, and we'll have your order shipped out ASAP. If you have questions while you shop, please feel free to reach out to our team.