An alternator is an important component in a vehicle's electrical system that converts mechanical energy into electrical energy. Bosch is a well-known brand that manufactures various automotive components, including alternators. Bosch alternators are widely used in various vehicles, such as cars, trucks, and motorcycles, due to their reliability and efficiency in generating electrical power. These alternators are designed to produce a consistent and stable output voltage to power the vehicle's electrical system and recharge the battery. Additionally, Bosch alternators are designed to be durable, long-lasting, and require minimal maintenance.

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12V Alternator For Bosch

180A Alternator For Bosch

12V Alternator For Bosch

12V Starter-Delco PMDD

8-Tooth Pinion Starter-Mitsubishi DD

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8-Tooth Pinion Starter-Bosch PMGR

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Denso is known for producing high-quality and reliable automotive parts. Their alternators are manufactured with strict quality control standards to ensure maximum performance and longevity.

Denso is constantly researching and developing new technologies to improve the performance and efficiency of their products. Their alternators are no exception, featuring advanced designs and technologies like IR/IF (Internal Regulator/Internal Fan) technology and OE-level validation testing.

Denso alternators are designed to fit a wide range of vehicles, making them a versatile choice for repair shops and DIY enthusiasts alike. They offer a comprehensive range of alternators for both domestic and import vehicles, including passenger cars, light trucks, and heavy-duty applications.

100% exhaustive multipoint quality and performance testing throughout the remanufacturing.

Every unit is full-load tested to guarantee compliance with Bosch strict performance

Voltage regulator 100% tested for OE voltage specifications (new on GM and Ford).

Diodes 100% tested (replaced with new as required).

Rotor 100% performance-tested for maximum electrical output.

100% new long life sealed bearings with special high load, high temperature grease.

Stator 100% insulation and phase balance tested.

100% new long life self-lubricating brushes.

1.Alternator Parts

2.Rotor and Stator

3.Diode Assembly
DC, the current type used by car batteries, is converted into direct current by an alternator's diode assembly (AC). The two-terminal diode assemblage works by allowing only one direction to flow the electricity generated by the stator.

4.Voltage Regulator

5.Alternator functions

6.Battery Recharge
No matter what types of alternator we have, the key feature of any alternator is the generation of battery electricity. Depending on the terrain and whether you use other electricity drain functions such as headlights or radio, it could take about 20 to30 minutes to get a new car battery with a non-properly functioning alternator. The alternator recharges the battery while using the car to make sure your battery is good for a long time.

7.From Mechanical Energy to Electrical Energy
The pistons in the crankshaft, where the combustion happens, are taken out of the gas tank. The crankshaft transmits the explosive energy from the combustion to an alternator-connected serpentine belt. When the pulley on the alternator rotates, a magnet and a coil convert mechanical energy into electric energy and generate electricity.

8.Powering Accessories

A generator converts mechanical power into fuel or electricity. It has a revolving rectangular coil that rotates around its axis in the magnetic field. Two slip rings are connected to the ends of the coil. The slip ring absorbs the induced current of the coil and transfers it to external load resistance R. The rotating coil is known as the copper-made armature

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Our company established in 1996, is a starter, alternator and relative components specialist manufacturer.

We have the registered capital 15 Million, and the factory area is 23000m2.There are 200 employees,including 32 engineers,6 R&D persons whose has Bachelor degree and above.

1. Manufacturing Experience

We are professional manufacturer of Alternators, Starter Motors, and DC Motors. And have more than 15 years Manufactruring & export experience.

2. Development Capacity

We have developed over 1500 new units in the pass 15 years and are continuing to add new part numbers every month.

3. Production Equipment

We now have 6 sets of DV testers for starters 2 sets of DV testers for alternators. What's more, we have 3 sets of domestic testers, solenoid tester , 4 production lines for armature, machining center for shaft and housings. Total quantity of our equipment is around 300 sets.

4. Production Market

A: The average longevity of an alternator is seven years or about 150,000 miles. Several factors can impact the lifespan of your alternator, including the quality of the part, the overall condition of the vehicle, and how many electronics are being used.

A: If your vehicle immediately stalls, it's probably a bad alternator. An alternator should last between 80,000 to 150,000 miles, which usually means around 7-10 years. However, if your vehicle is driven hard, your alternator may need to be replaced sooner.

A: How Long Does an Alternator Last? You may also be wondering about alternator lifespan. The average lifespan for most alternators ranges from 80,000 and 150,000 miles. Usually, an alternator lasts about seven years.

A: The standard alternator designed for road vehicles has a voltage regulator mounted to the back of the alternator and set to a single charge voltage of 14 or 28 volt. This is sufficient for a car battery, which is rarely (if ever) discharged.

A: The voltage regulator monitors the voltage coming out of the alternator and, when it reaches a threshold of about 14.5 volts, the regulator reduces the current in the rotor to weaken the magnetic field. When the voltage drops below this threshold, the current to the rotor is increased.

A: With your car still in park, slowly press on the gas until your car reaches 1,500-2,000 RPMs. Read the output on the multimeter. The regulator should cap the output of your battery at around 14.5. If the voltage reads over 14.5, it probably means that you have a faulty regulator.

A: The alternator is driven by the engine via a V-belt drive or a V-ribbed belt drive and operates according to the principle of electro-magnetic induction. Accordingly: When an electrical conductor moves through a magnetic field, an electrical voltage is induced in the conductor.

A: However, the alternator requires some power for the car's other electrical functions, so only 50 amps are available for charging the battery. Theoretically, it would take 90 minutes to fill the battery from empty. Topping up 20% would require one-fifth of that time, or about 17 minutes.

A: Alternators have an impressive lifespan of seven years–or between 80,000 to 150,000 miles. But be careful that you are not wearing it out prematurely.

A: In addition to mitigating the effects of external factors like heat, vibration, and contaminants, you can also prolong the life on an alternator by replacing certain components before they wear out. For instance, some manufacturers recommend that you check the regulator and brushes every 12 to 24 months.

A: The regulator must be suited to the alternator, so they are called P-type or N-Type regulators, depending on whether they regulate the positive field or negative field respectively. It is essential to check what the type the alternator to be regulated is and to then select the appropriate regulator.

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12V Alternator For Bosch-factory