Basically, the alternator is a generator. Your battery gives your car the initial juice to start, but once you’re running, the alternator takes over. It converts mechanical energy from the engine – from the belt spinning it – into electrical energy. That electricity then powers everything while you drive: lights, radio, the computer, even the power windows. It also keeps the battery charged up, so it's ready to start the car next time. It’s constantly replenishing what the battery uses. Think of the battery as a short – term power source, and the alternator as the long – term one. The alternator is directly connected to the engine via a belt, so when the engine is running, so is the alternator. It’s responsible for maintaining a consistent voltage in your vehicle’s electrical system. It isn’t just charging the battery; it’s powering everything simultaneously. A bad alternator means all those systems start to struggle. A failing alternator can cause all sorts of problems. You’ll notice if your lights start dimming, or if things like the radio or power windows get sluggish. Eventually, the car might have trouble starting, or even stall while you're driving. It’s a pretty critical part. If it goes completely, you’ll drain the battery quickly and be stranded. It really acts like a shield, protecting the rest of your electrical system from getting overloaded. We’ve got a good selection of these, and you can find parts sets like this one over at Fixparts Online if you want to take a look. Getting a good quality alternator is worth it, because it avoids a lot of headaches down the road. Your satisfaction is our mission: Parts Set (MPN 1987945401) includes a 12-month warranty!

About Bosch

With a heritage of innovation, Bosch provides dependable and efficient automotive components that set industry standards.

Why Choose Bosch?

• Bosch parts are known for lasting a long time, so you won't have to replace them often. • They're made with high-quality materials and tested thoroughly, meaning they perform reliably. • Bosch offers a wide range of parts, so you're likely to find what you need for almost any vehicle. • Mechanics and drivers around the world trust Bosch – it’s a name you can depend on. Bosch – trusted quality, available at FixParts Online!