Source smarter with
Leverage AI to find the perfect product match in seconds
Matches from over 100 million products with precision
Handles queries 3 times as complex in half the time
Verifies and cross-validates product information
Get the app
Get the Alibaba.com app
Find products, communicate with suppliers, and manage and pay for your orders with the Alibaba.com app anytime, anywhere.
Learn more

Alternator 13815

(13 products available)

About alternator 13815

Types of Alternator 13815

Alternator 13815 is broadly recognized as a vehicle power generator. It is used to charge batteries and power electrical systems while the engine runs. But, did you know that there are different types of alternators?

  • 1. Synchronous alternator: This type of alternator is mainly used as a generator in power plants. The rotor of a synchronous alternator has winding or permanent magnets that produce a constant magnetic field. When this rotor spins, the magnetic field doesn't change. It stays the same. But the stator has coils of wire that are wound in a specific way. When the rotor spins and the magnetic field interacts with the currents in the stator, it generates electricity. The good thing about synchronous alternators is that they provide a stable and constant output of electricity. They are reliable for generating large amounts of power for the grid.
  • 2. Asynchronous alternator: This type of alternator is used mainly in industrial applications and wind power plants. The rotor of an asynchronous alternator has conductive bars, like a squirrel cage. When the rotor spins, it creates a changing magnetic field relative to the stator's magnetic field. This difference in motion induces currents in the conductive bars of the rotor. The induced currents create a magnetic field that interacts with the stator's magnetic field, producing torque. Asynchronous alternators are less common than synchronous ones. But they are used when a simple and robust generator is needed.
  • 3. Salient-pole synchronous alternator: This type of alternator is commonly used in hydroelectric power plants, where water is available in large quantities. The rotor of a salient-pole synchronous alternator has protruding poles or pads on its surface. These poles house the winding or permanent magnets that generate the magnetic field. The salient-pole rotor is effective in hydroelectric power plants because the water flow can quickly change the rotor's speed relative to the magnetic field in the stator. The salient-pole design allows for precise control of the generated electricity, adapting to the changing water flow conditions.
  • 4. Turbo generator: This type of alternator is used in thermal power plants, where heat is the main source of energy. The rotor of a turbo-generator is a spinning shaft with heating elements. The high-speed rotation of the shaft generates a large amount of heat. Turbo-generators convert the thermal energy from the heating elements into electrical energy. They are efficient and effective in generating electricity from thermal energy sources.

Specification and maintenance of alternator 13815

The specifications of the 13815 alternator may vary depending on the manufacturer, but here are some general specifications:

  • Voltage rating

    The alternator has a voltage rating of 12V. This is the standard voltage used by most vehicles.

  • Amperage output

    The alternator produces 100 to 150 amps of current. This is the electrical power used by the vehicle.

  • Rotation

    The alternator is available in both clockwise and counterclockwise rotations.

  • Pulley size

    The alternator has a pulley diameter of 2.6 to 3.0 inches (66 to 76 mm). The pulley transfers power from the serpentine belt to the alternator.

  • Case size

    The alternator has a case diameter of 5.9 to 6.3 inches (150 to 160 mm). This measures the size of the alternator.

  • Weight

    The alternator weighs between 15.4 to 18.5 pounds (7 to 8.4 kg).

Here are some general maintenance tips for the alternator:

  • Check the alternator belt regularly for signs of wear. Replace it when worn out to ensure the alternator keeps spinning.
  • Keep the alternator clean to prevent dust and debris from affecting its performance.
  • Have an auto electrician check the alternator and its electrical connections periodically.

    Inspect the alternator for any unusual noises or vibrations that may indicate a problem.

How to choose alternator 13815

Choosing the right 13815 alternator for a specific vehicle or application involves considering several factors to ensure compatibility, performance, and reliability. Here are the key points to keep in mind:

  • Output Capacity: Consider the electrical needs of the device or vehicle. The alternator's output should be sufficient to power all electrical components, including lights, the audio system, and any added accessories. If additional electrical components are installed, a higher-output alternator may be required.
  • Compatibility: Ensure that the alternator is compatible with the engine or vehicle. This includes considering the mounting arrangements, alternator size, pulley type, and other installation-related factors.
  • Quality and Reliability: Choose a high-quality alternator from a respected manufacturer. Reliable alternators offer stable and constant electrical power, which is crucial for the proper functioning of the vehicle's electrical system.
  • Warranty and After-Sales Service: Consider the warranty offered by the alternator manufacturer and the quality of after-sales service. A longer warranty period and good after-sales service can provide additional protection and ensure support in case of problems.
  • Price: Compare alternator prices from different suppliers and manufacturers. Remember that the cheapest alternator may not always be the best choice. Find an alternator that offers an excellent balance between quality and price.
  • Reviews and Recommendations: Before purchasing an alternator, read reviews and recommendations from other customers. This can help get an idea of the alternator's performance and reliability.

How to DIY and Replace Alternator 13815

It is possible to replace an alternator 13815 as a DIY project. With the right tools, some mechanical knowledge and skills, and sufficient time, the replacement can be done. Before starting, ensure that the new 13815 alternator is compatible with the vehicle. Read the user manual and understand the steps. Here are some general steps to guide the process:

  • Prepare the vehicle

    Park the vehicle in a safe and level environment. Turn off the ignition and put on the parking brakes. Disconnect the negative battery cable from the old alternator using a wrench. Ensure that the cable does not touch any metal parts to avoid sparks.

  • Remove the belt

    Use a socket and ratchet to loosen the alternator belt tensioner. Then, slip the belt off the pulleys and set it aside.

  • Disconnect the wiring harness

    Unmount the alternator bolts using a ratchet and a socket. The bolts are usually located at the front and rear of the alternator. Once the alternator is loose, pull it forward and disconnect the electrical connections. Take note of the wiring configuration and disconnect the wiring harness.

  • Remove the old alternator

    Remove the mounting bolts and secure the alternator. Then, lift the alternator out of the engine bay. This step might require extra effort if the alternator is heavy.

  • Install the new alternator

    Place the new 13815 alternator into the engine bay and secure it with the mounting bolts. Then, reconnect the electrical connections according to the notes taken earlier.

  • Reconnect the belt

    Wrap the alternator belt around the pulleys and tensioner. Then, tighten the tensioner bolt to the manufacturer’s specifications.

  • Reconnect the battery

    Reconnect the negative battery cable to the alternator and secure it with a wrench. Ensure the connection is tight and clean.

  • Final checks

    Start the engine and check for any unusual noises or warning lights. Double-check all connections, belts, and bolts to ensure everything is secure. Close the hood and take a test drive to ensure the new alternator is functioning correctly.

Q&A

Q1: What is the common Alternator 13815 used for?

A1: The common alternator 13815 is typically used in vehicles with 4-cylinder engines. It generates electrical power to charge the battery and run electrical systems.

Q2: Can the Alternator 13815 be used for performance upgrades?

A2: While the Alternator 13815 is a reliable choice, for high-performance vehicles or those with numerous high-power accessories, a higher-output alternator may be required.

Q3: Is the Alternator 13815 suitable for diesel-powered vehicles?

A3: The Alternator 13815 is not specifically designed for diesel engines. One should check the specifications or consult a professional mechanic for diesel-powered vehicles.

Q4: Does the Alternator 13815 require regular maintenance?

A4: It has no regular maintenance tasks. However, users need to periodically check the belts, connections, and casing for any wear, damage, or looseness.

Q5: What are the signs of a failing Alternator 13815?

Q5: The signs include: a) Dimming or flickering lights, b) Warning lights on the dashboard, c) Difficulty starting the vehicle, d) Electrical components not working properly, e) Strange noises and f) Burning smell.