8613328990097
Sales@enginegensetparts.com
enLanguage

Alternator

Your Professional Alternator Supplier

China Everlasting Parts Co., Ltd. is a leading manufacturer of filters and a professional supplier of generator components and engine spare parts. We operate our own filter production facility and accessory processing center, and have established strong partnerships with numerous factories and industry-leading companies. Our product range includes filters, filter heads, filter assemblies, pumps, belts, automatic voltage regulators (AVRs), electronic actuators, electronic governors, stop solenoids, generator start controllers, oil pressure senders, switches, sensors, radiators, alternators, starters, turbochargers, meters, truck components, bus components, and other generator and engine spare parts.

One-Stop Procurement

By choosing us as your single supplier, we can provide the most comprehensive range of products, including filters, filter heads, diesel generator components, and engine spare parts.

Professional Team

Our team of sales personnel and technicians is readily available to assist you. Combined with ongoing quality control measures, we ensure stable product quality to safeguard your equipment.

Customized Services

As a professional manufacturer of spare parts, we tailor our offerings to meet customer requirements. Original Equipment Manufacturer (OEM) and Original Design Manufacturer (ODM) services are warmly welcomed.

Quality Control

Our filters and spare parts are manufactured according to genuine quality standards, ensuring that our components are fully compatible replacements for original accessories from various brands.

 

 
First 123 Last
 

Parameter

 

 

Voltage

24 V

Amperage

50 A

Rotation

Both

Mount Type

Lug

Fan Location

External

 

productcate-1-1

 

Advantages of Alternator

Higher Output

One of the benefits of an alternator is that its parts are more robust than what you’ll find in a DC generator. This lets them rotate more quickly without the risk of causing damage. The higher rotation speed means an alternator can generate more power overall. It also means an alternator can produce more power at lower speeds so you can get a charge even when a vehicle is idling.

 

Lower Weight and Smaller Size

An alternator is a more compact way of generating electricity, which has two distinct benefits. First, this yields a noticeable weight-savings over DC generators. A lighter car means better fuel economy, which helps you keep more money in your pocket. Second, it’s smaller, which makes it easier to fit into an already crowded engine compartment and makes the space easier to work in when the time for maintenance and repairs arises.

 

Less Maintenance

Both a DC generator and an alternator have a system of rings and brushes to generate electricity, but the designs of these components are different. DC generators use split rings, while alternators use solid rings. The brushes in both rub against these rings.

 

Applications of Alternator

Power Generation Plants
Alternators are commonly used in power plants to generate electricity. They are often driven by steam turbines, gas turbines, or diesel engines.

Automotive & Locomotive

Alternators are used in vehicles to charge the battery and power the electrical system when the engine is running. They have largely replaced older generators in this application due to their higher efficiency and reliability.

Aircraft & Radio Frequency Transmission

Alternators are used in aircraft to generate electricity for onboard systems, including avionics, lighting, and other electrical components. They are often driven by the aircraft’s engines.

Industrial Applications

Alternators are used in various industrial applications to provide electrical power for machinery, equipment, and other systems.

Standby and Emergency Power

Alternators are used in standby and emergency power systems, such as backup generators, to provide electricity in case of power outages or other emergencies.

Renewable Energy

Alternators are used in some renewable energy systems, such as wind turbines and hydroelectric plants, to generate electricity from natural sources of energy.

Marine and Navy Boats Applications

Alternators are used in marine applications to generate electricity for ships and boats, often driven by the main engine or auxiliary engines.

 

Difference between Alternator and Generator

 

 

Differentiating Property

Alternator

Generator

Definition

An alternator is a device that converts mechanical energy into AC electrical energy.

A generator is a mechanical device which converts mechanical energy to either AC or DC electrical energy.

Output Current

An alternator always induces an alternating current.

A generator can generate either alternating or direct current.

Energy Efficiency

Alternators are very efficient.

Generators are considered less efficient.

Output

Alternators have a higher output than generators.

Generators have a lower output when compared with an alternator.

Energy Conservation

Alternators use only the required amount of energy and thus, it conserves more energy.

Generators use all the energy that is produced, so they conserve less energy.

Polarization After Installation

Polarization is not required in the case of alternators.

Generators need to be polarized after installation.

Magnetic Field

The magnetic field is rotating inside the stator of an alternator.

In the case of a generator, the magnetic field is stationary or fixed where the armature winding spins.

Armature Movement

The armature of an alternator is stationary.

The armature of a generator is rotating.

Input Supply

The alternator takes input supply from the stator.

The generator takes the input supply from the rotor.

RPM (Rotation Per Minute) Range

Alternators have a wide range of RPM.

Generators have a low range of RPM.

Voltage Generation

Alternators produce voltage only when needed.

Generators produce voltage at all times.

Size

Alternators are generally smaller in size.

Generators are larger and require more space to fit in.

Brush Efficiency

The brushes of alternators last longer.

The brushes of generators last lesser when compared to an alternator.

Charging of a Dead Battery

Alternators will never charge a dead battery.

A generator can be used for charging a dead battery.

 

Steps for Replacing an Alternator
 

Step 1: Disconnect the Battery
Start this procedure by disconnecting the negative battery cable.

 

Step 2: Loosen and Remove the Belt
Loosen the belt tensioner so the belt can be removed from the alternator and other pulleys.

 

Step 3: Disconnect the Voltage Regulator Plug
Disconnect the voltage regulator connector from the back of the alternator.

 

Step 4: Remove the Alternator Positive Cable
Using a socket and ratchet, remove the nut from the positive cable on the alternator, and then remove the positive cable and set it aside.

 

Step 5: Remove the Alternator Brace Bolt
Remove the nut and bolt on the alternator brace (if so equipped).

 

Step 6: Remove the Alternator’s Lower Mounting Bolt
Locate and remove the alternator’s lower mounting bolt.

productcate-1-1

 

productcate-1-1

Step 7: Remove the Old Alternator
After the brace bolt and mounting bolt are removed, lift the old alternator out of the engine bay.

 

Step 8: Install the New Alternator
Position the new alternator so you can start threading the lower mounting bolt in place. Then replace the upper bolt and nut on the alternator brace.

 

Step 9: Reconnect the Voltage Regulator Connector
Once your alternator is secured, reconnect the voltage regulator connector or plug to the back of the new alternator.

 

Step 10: Reattach the Alternator Positive Cable
Reattach the positive lead and nut to the post on the alternator, and tighten the nut to manufacturer’s specifications.

 

Step 11: Route the Serpentine Belt Around the Pulleys
Route the serpentine belt around the pulleys as indicated on your vehicle’s belt routing diagram, or reference the picture you took in Step 2.

 

Step 12: Reattach the Negative Battery Cable
Reattach the ground cable to the battery post and tighten it securely.

 

Packaging and Shipping

 

 

Packaging

Standard Carton Box

Shipping

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

 

FAQ

 

Q: What are the basics of an alternator?

A: An alternator generates a voltage when the rotor is excited and rotates. To start this process, the rotor first needs to be pre-excited. The pre-excitation circuit runs via the ignition switch and lights up the charging current warning lamp on the dashboard.

Q: What are the signs of a bad alternator?

A: Signs of a bad alternator include a warning light on the dashboard (battery, ALT, or GEN), dim or flickering lights, difficulty starting the car, engine stalling, slow-moving accessories like power windows, a strange smell of burning rubber, and unusual noises like whining or grinding coming from the engine. A bad alternator fails to recharge the battery, leading to these issues.

Q: Will my car run better with a new alternator?

A: Yes, your car will likely run better with a new alternator if the current one is failing because a new alternator provides consistent, stable voltage to power the car's electrical systems and charge the battery, which can improve overall performance and resolve issues like dim lights, stalling, or poor throttle response. However, if your current alternator is functioning correctly, a new one will not provide any noticeable performance benefit.

Q: Do alternators output AC or DC?

A: An alternator's internal generation is Alternating Current (AC), but its output to the vehicle is Direct Current (DC) after passing through a rectifier. The rotor inside the stator creates AC, which is then converted by a rectifier (a set of diodes) into pulsating DC to charge the battery and power the vehicle's electrical systems.

Q: How long do alternators usually last?

A: Alternators typically last between 80,000 and 150,000 miles, or roughly 7 to 10 years. The actual lifespan can vary depending on factors like driving conditions, the quality of the alternator, and the electrical load on the system.

Q: How long should I let my car run after putting in a new alternator?

A: After replacing the alternator, it's generally recommended to let the car run for about 15 to 30 minutes. This will allow the alternator to charge the battery fully and verify that everything is working as it should.

China Everlasting Parts Co., Ltd. is one of the leading manufacturers and suppliers offering original and genuine alternator in China. Having specialized in this field for many years, we provide customers with OEM alternator replacement. Welcome to wholesale quality, durable and cheap the aftermarket products from our factory.

FG Wilson 10000 42440, FG Wilson Alternator, A007TA1491 , Generator Alternator , Vehicle Alternator , Truck Alternator , Marine Alternator