5523951
Alternator
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$729.95 $868.64

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 5523951 Alternator is a critical component in the electrical system of commercial trucks. Its role is to generate electrical power to charge the vehicle’s battery and supply electricity to the truck’s electrical components while the engine is running. This part ensures the reliable operation of the truck’s electrical systems, contributing to overall vehicle performance and efficiency.

Basic Concepts of Alternators

An alternator converts mechanical energy into electrical energy, playing a role in a vehicle’s electrical system by generating alternating current (AC), which is then converted to direct current (DC) to charge the battery and power the vehicle’s electrical components. Unlike generators, which produce DC directly, alternators are more efficient and lighter, making them suitable for modern vehicles 1.

Purpose of the Cummins 5523951 Alternator

The Cummins 5523951 Alternator maintains the charge of the truck’s battery and provides the necessary electrical power to operate the vehicle’s systems, such as lighting, ignition, and other electronic components, while the engine is in operation. It ensures that the battery remains charged, allowing the truck to start reliably and operate electrical systems without draining the battery.

Key Features

This Cummins part is characterized by its robust design and high-quality construction. It features a durable housing, efficient cooling system, and advanced voltage regulation. These attributes contribute to its reliability and performance, setting it apart from other alternators in the market.

Benefits

Using the 5523951 offers several advantages, including enhanced reliability, improved efficiency, and superior performance. Its design ensures consistent power output, contributing to the truck’s overall efficiency and reducing the likelihood of electrical system failures.

Installation

Installing the 5523951 requires adherence to specific guidelines to ensure proper fitment and operation. It may involve the use of special tools and following manufacturer-recommended procedures to secure the alternator in place and connect it to the electrical system.

Maintenance and Troubleshooting

To ensure the optimal performance of the 5523951, regular maintenance is recommended. This includes checking the belt tension, inspecting electrical connections, and monitoring the alternator’s output. Common issues such as diminished output or electrical faults can often be addressed through routine checks and timely repairs.

Performance and Efficiency

The 5523951 is designed to deliver reliable performance and efficiency. Its output capacity and voltage regulation capabilities are tailored to meet the demands of commercial trucks, ensuring that electrical systems operate smoothly and efficiently.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance engines and components, Cummins has established a reputation for excellence in the automotive sector.

Cummins Alternator 5523951 Compatibility with Engine Models

The Cummins Alternator part number 5523951 is designed to be compatible with a range of Cummins engine models. This alternator is engineered to meet the power generation needs of various engine configurations, ensuring reliable performance across different applications.

Compatibility with Specific Engine Models

  • 4B3.9
  • 6B5.9
  • 6C8.3
  • B5.9 GAS PLUS CM556
  • QSB5.9 CM850
  • QSB6.7 M CM2250
  • QSC8.3 CM850 (CM2850)
  • QSM11 CM570

Grouping of Compatible Engines

The compatibility of the alternator with these engines can be grouped based on their power output and application requirements:

  • Smaller Engines:

    • 4B3.9
    • 6B5.9
    • B5.9 GAS PLUS CM556
  • Medium Power Engines:

    • QSB5.9 CM850
    • QSC8.3 CM850 (CM2850)
  • High Power Engines:

    • 6C8.3
    • QSB6.7 M CM2250
    • QSM11 CM570

This grouping helps in understanding the alternator’s versatility and its ability to support a wide range of engine power outputs and applications.

Role of Part 5523951 Alternator in Engine Systems

The alternator, identified by part number 5523951, is an integral component within the engine system, responsible for maintaining the vehicle’s electrical system by converting mechanical energy into electrical energy. This conversion is achieved through the alternator’s interaction with several key components within the engine system.

When the engine is running, the alternator is driven by a belt connected to the crankshaft. This mechanical connection allows the alternator to spin, generating electricity. The generated electricity is then directed towards the battery, where it is stored for future use. Additionally, the alternator supplies power to various electrical components within the vehicle, such as the ignition system, lighting, and electronic control units (ECUs).

The alternator’s output is regulated by the voltage regulator, which ensures a consistent voltage level is maintained, preventing overcharging or undercharging of the battery. This regulation is vital for the proper functioning of the electrical components and the overall health of the battery.

Furthermore, the alternator works in conjunction with the starter motor during the engine start-up process. While the starter motor initiates the engine’s rotation, the alternator takes over once the engine is running, providing the necessary electrical power to keep the engine and its components operational.

Conclusion

In summary, the 5523951 plays a significant role in the engine system by ensuring a steady supply of electrical power, supporting the operation of various components, and maintaining the battery’s charge. Its efficient functioning is essential for the vehicle’s performance and reliability.


  1. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

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SPECIFICATIONS

Package Dimensions
12.0 x 10.6 x 8.2 in
Weight
18 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.