What Is An Alternator And Why Is It Important?
An alternator may be a small part under your car's hood, but it plays an important role in its vehicle electrical system operation. If it fails, your car could quickly end up stranded. In this post, we’ll explore the alternator function and explain why it’s such a key component of the Nissan electrical system.
What Does The Alternator Do?
An alternator is essentially a small electrical generator in your Nissan vehicle. It supplies power to various electrical components and charges the car battery while the engine is running. The key alternator functions include:
- Power Converter: It converts mechanical energy from the engine into electrical energy for your Nissan alternator.
- Battery Charger: It keeps the car battery charged, ensuring it has enough power to start the engine and run electrical components when the engine is off.
- Electricity Supply: It helps power electrical components like the headlights, infotainment system, power seats, and power windows in your Nissan car.
How Does The Alternator Work?
Your Nissan's alternator gets its power from a serpentine belt that is connected to the engine’s crankshaft. When the engine is turning, the belt turns the alternator pulley. This mechanical motion is converted into electrical energy that is stored in the car battery.
A stator and rotor inside the alternator repair generate alternating current (AC). This is converted into Direct Current (DC) which charges the car battery. When the car is on, your Nissan alternator ensures that the car battery always has enough charge to meet the vehicle electrical system needs.
Where Can You Find Your Nissan’s Alternator?
Nissan alternators have a round shape with a metal or aluminum casing. The casing often has openings through which you can see the copper windings. In most Nissans, they are typically located near the engine, mounted on the engine block. They are driven by the serpentine belt that also connects to the power steering, water pump, and other auxiliary components.
What Is An Alternator Made Of?
The majority of Nissan alternators are constructed from aluminum, metal, and copper wiring. The key parts include a rotor, stator, voltage regulator, and diode rectifier. Some designs also have a cooling fan.
While there may be some visual similarities, each Nissan model will have an alternator designed to work specifically for it. Using an incorrect or aftermarket part can damage your vehicle electrical system and car battery. This can result in an expensive alternator repair bill.
Automotive Alternators Then And Now
The development of reliable automotive alternators became mainstream in the 1960s. While rudimentary by today’s standards, they were a big step up from the dynamos they were replacing. And they could easily handle the modest power demands of the day.
Modern alternators are highly efficient; they have to be. Your Nissan vehicle has far more electrical components and technological features than ever. An alternator needs to cope with the increased demands of stop/start systems, high-powered audio systems, and the latest infotainment system setups.
It has to be able to keep the car battery charged and ready at all times. Depending on the vehicle, a modern Nissan alternator can often include smart charging systems and complex internal voltage regulators.
OEM Nissan Alternators From Nissan Parts Plus
If your alternator is failing and you need a replacement, make sure to replace it with an OEM alternator component that is guaranteed to fit and work perfectly. This will ensure that your car battery and vehicle electrical system function exactly as Nissan intended.
Nissan Parts Plus is part of a family-owned Nissan dealership in Massachusetts. We have been in business for decades, and our knowledgeable team is ready to provide you with the right OEM alternator parts at wholesale prices. Use our VIN decoder to ensure you get the right part the first time for your Nissan alternator replacement. Contact us online with questions, and order today!