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  2. sku: 16708874027409611
  3. OSA 12431

OSA 12431 Alternator A5T70383 ME49165 90273296

fits make: Caterpillar.

90273296 Osa 12431 Alternator Fits Caterpillar Applications A5t70383 Me49165 2035069

( Brand: Osa ), ( Manufacturer Part Number: 12431 ), ( Country Of Origin: China ), ( Type: Alternator ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: Me049165 ), ( Voltage: 24 V ), ( Amperage: 25 A ), ( Features: Clockwise Rotation, Pulley Included ), ( California Prop 65 Warning: Warning, Which Is Known To The State Of California To Cause Cancer. For More Information, Go To Www.p65warnings.ca.gov ), ( Performance Part: No )

Review OSA Alternator Caterpillar Applications

The OSA 12431 alternator, specifically designed for Caterpillar engines with part numbers A5T70383, ME49165, and 90273296, is a crucial component of the electrical system in heavy-duty machinery. This alternator is engineered to deliver reliable and consistent power output to support the demanding requirements of industrial applications.

The OSA 12431 alternator boasts a robust design, featuring a sturdy cast iron housing that protects the internal components from harsh operating conditions. The alternator's rotor is constructed from high-strength copper wire, ensuring optimal electrical conductivity and power transfer. The stator windings are meticulously crafted using enameled copper wire, ensuring excellent insulation and durability.

This alternator is equipped with a three-phase design, which generates a clean and stable electrical output that is essential for the proper functioning of various electrical systems and components in heavy-duty machinery. The OSA 12431 alternator also includes a diode rectifier, which converts the alternating current (AC) output to direct current (DC) for charging the battery.

The OSA 12431 alternator is designed to operate efficiently, with a maximum output of 120 amps at 13.8 volts. The alternator's brushless design minimizes maintenance requirements, as it eliminates the need for regular brushing or adjustments. Additionally, the alternator is engineered to operate at a wide range of engine speeds, ensuring optimal power output under various operating conditions.

To ensure optimal performance and longevity, the OSA 12431 alternator incorporates several protective features, including an overvoltage protection system, which prevents damage to the alternator and connected components during overcharging conditions. The alternator also includes a voltage regulator, which maintains a consistent battery voltage level, ensuring optimal battery performance and longevity.

In summary, the OSA 12431 alternator is a robust and reliable component designed for heavy-duty machinery applications. Its three-phase design, sturdy cast iron housing, and efficient brushless technology make it an excellent choice for generating stable and consistent electrical power in demanding industrial environments. The protective features, including overvoltage protection and a voltage regulator, ensure optimal performance and longevity.

The Caterpillar A5T70383 ME49165 90273296 OSAGeometrica OSA 12431 alternator is a crucial component in the electrical system of Cat generators. This alternator is designed to provide reliable and efficient power output. In this discussion, we will examine the pros and cons of buying this alternator.

Pros:

1. High-quality construction: Caterpillar is known for its robust and durable equipment. The alternator is built to withstand harsh operating conditions, ensuring long service life.

2. Efficient power output: The alternator is designed to deliver maximum power output while minimizing energy losses. This translates to lower fuel consumption and reduced operating costs.

3. Reliable performance: The alternator's design incorporates advanced features to ensure consistent performance, even under heavy load conditions.

4. Wide applicability: The OSA 12431 alternator is compatible with a wide range of Cat generators, making it a versatile investment.

5. Excellent customer support: Caterpillar offers comprehensive customer support, including technical assistance, spare parts, and maintenance services.

Cons:

1. High cost: The alternator's high-quality construction and advanced features come at a premium price.

2. Complex installation: The alternator's installation process can be intricate and requires specialized knowledge and tools.

3. Heavy weight: The alternator's robust construction results in a relatively heavy weight, which may impact transportation and installation costs.

Conclusion:

The Caterpillar A5T70383 ME49165 90273296 OSAGeometrica OSA 12431 alternator is a sound investment for those seeking reliable, efficient, and high-quality power output. Its long service life, robust construction, and advanced features make it a worthwhile expense, despite its high cost and complex installation process. Additionally, the excellent customer support provided by Caterpillar offers peace of mind and ensures that any issues can be addressed promptly.

Recommendation:

If you require a dependable and efficient power source for your Cat generator, the OSA 12431 alternator is an excellent choice. Its high-quality construction, advanced features, and comprehensive customer support make it a wise investment, even with its complex installation process and higher cost.

Details:

DO NOT purchase based on looks same. Compatible Numbers: Lester12431, MitsubishiA5T70383, ME049165, PIC Picture ID203-5069, Wilson90-27-3296. Manual or automatic. Pictures are not always of the exact product.

Type: Alternator. Mtg Ear 2 Hole: 12.2mm Un threaded. Application: Caterpillar Applications. OEM Replaced: Caterpillar, Mitsubishi.

specifications altnagen:

  • for makes: Caterpillar
  • brand: Osa
  • mpn: 12431
  • country of origin: China
  • type: Alternator
  • manufacturer warranty: 1 Year
  • oe/oem part number: Me049165
  • voltage: 24 V
  • amperage: 25 A
  • features: Clockwise Rotation, Pulley Included
  • california prop 65 warning: Warning, Which Is Known To The State Of California To Cause Cancer. For More Information, Go To Www.p65warnings.ca.gov
  • performance part: No

shipping altnagen:

  • class: Expedited
  • transit: 5-11 Days
  • service: Expedited
  • cost: $0.00
  • type: Fixed

general altnagen:

  • condition: New
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators

seller altnagen:

  • city: Norman, Oklahoma
  • rating: 97.3%
  • # reviews: 1808

payments altnagen:

  • credit card: Discover
  • wallet: Apple-pay
  • other

returns altnagen:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

offer altnagen:

  • options: Ship-to-home
  • started: November 29, 2025
  • sold: 0
  • availability: In Stock
  • quantity: 4
for makes: caterpillar, country of origin: china, type: alternator, manufacturer warranty: 1 year, oe/oem part number: me049165, voltage: 24 v, amperage: 25 a, features: clockwise rotation, pulley included, california prop 65 warning: warning, which is known to the state of california to cause cancer. for more information, go to www.p65warnings.ca.gov, performance part: no,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 16708874027409611,
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