5523955
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$779.95 $928.14

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 5523955 Alternator is a specialized component designed for use in commercial trucks. Its purpose is to generate and regulate electrical power, ensuring that the truck’s battery remains charged and that all electrical systems function correctly while the engine is running. This alternator is significant in the operation of commercial trucks as it supports the reliable and efficient performance of the vehicle’s electrical system.

Basic Concepts of Alternators

An alternator is a device that converts mechanical energy into electrical energy. Within a vehicle’s electrical system, the alternator plays a role by generating alternating current (AC), which is then converted into direct current (DC) to charge the battery and power the electrical components. The alternator maintains a consistent voltage level, ensuring that the electrical system operates within specified parameters 1.

Purpose of the Cummins 5523955 Alternator

The Cummins 5523955 Alternator is designed to perform specific functions within a truck’s electrical system. It charges the battery while the engine is running, ensuring that the battery maintains sufficient power for starting the engine and operating electrical components. Additionally, the alternator powers various electrical systems, such as lighting, instrumentation, and communication devices, contributing to the overall functionality and safety of the truck.

Key Features

The Cummins 5523955 Alternator features a robust design and construction, utilizing high-quality materials to ensure durability and reliability. Its efficiency is enhanced through advanced engineering, allowing it to generate sufficient power with minimal energy loss. Unique characteristics of this alternator include its compact size, lightweight construction, and integrated voltage regulator, which contributes to its performance and longevity.

Benefits

The Cummins 5523955 Alternator offers several advantages, including reliability, durability, and efficiency. Its robust construction ensures long-term performance, while its efficient design minimizes energy loss and maximizes power output. These benefits contribute to the alternator’s ability to support the demanding electrical requirements of commercial trucks, ensuring consistent and reliable operation.

Installation and Compatibility

Proper installation of the Cummins 5523955 Alternator is crucial for ensuring optimal performance and compatibility with various truck models. Installation procedures should follow manufacturer guidelines to ensure correct mounting, electrical connections, and belt tension. Specific requirements may vary depending on the truck model, so it is important to consult the appropriate documentation to ensure compatibility and proper function 2.

Troubleshooting and Maintenance

Identifying common issues with the Cummins 5523955 Alternator can help maintain its reliable operation. Regular maintenance practices, such as checking electrical connections, inspecting the belt for wear, and testing voltage output, can prevent potential problems. Recommended troubleshooting steps include verifying proper installation, checking for loose connections, and performing diagnostic tests to identify any underlying issues 3.

Performance and Efficiency

The performance and efficiency of the Cummins 5523955 Alternator are characterized by its output capabilities and voltage regulation. It is designed to provide consistent power output, ensuring that the battery remains charged and electrical systems operate within specified parameters. The alternator’s efficiency contributes to the overall performance of the truck’s electrical system, supporting reliable and efficient operation.

Safety Considerations

When working with the Cummins 5523955 Alternator, it is important to observe safety precautions and considerations. Proper handling of the alternator, adherence to electrical safety measures, and following maintenance procedures can prevent accidents or injuries. Ensuring that the alternator is installed and maintained correctly contributes to a safe working environment and reliable operation.

Cummins Corporation

Cummins Inc., the manufacturer of the 5523955 Alternator, is a reputable company with a history of producing high-quality automotive components. Known for its commitment to innovation and excellence, Cummins has established a strong reputation in the industry. The company’s dedication to producing reliable and efficient components is evident in the design and performance of the Cummins 5523955 Alternator.

Cummins Alternator 5523955 Compatibility

The Cummins Alternator part number 5523955 is designed to fit a variety of Cummins engines, ensuring reliable power generation across different engine models. Here is a detailed breakdown of the compatibility of this alternator with the listed engines:

ISB/ISD4.5 Engines

  • ISB/ISD4.5 CM2150 B119
  • QSB4.5 CM850 (CM2850)

QSB6.7 Engines

  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSB6.7 CM850 (CM2850)

QSB7 Engine

  • QSB7 CM2880 B117

QSC8.3 Engine

  • QSC8.3 CM850 (CM2850)

QSL8.9 and QSL9 Engines

  • QSL8.9 CM2150 L141
  • QSL9 CM2250
  • QSL9 CM2350 L102
  • QSL9 CM850 (CM2850)

The alternator 5523955 is engineered to provide optimal performance and compatibility with these engines, ensuring that the power generation needs of each engine are met effectively. This compatibility ensures that the alternator can be seamlessly integrated into various engine configurations, providing a reliable power source for the engine’s electrical systems.

Role of Part 5523955 Alternator in Engine Systems

The alternator, specifically part 5523955, is an essential component in the engine system, responsible for generating electrical power to sustain the vehicle’s electrical systems while the engine is running. It works in conjunction with several other components to ensure the vehicle operates efficiently.

Interaction with the Engine

The alternator is driven by a belt connected to the engine’s crankshaft. As the engine runs, the crankshaft rotates the alternator, which in turn generates electricity. This electrical energy is used to power various systems within the vehicle, including the ignition system, lighting, and electronic control units (ECUs).

Battery Relationship

The alternator maintains the battery’s charge by converting mechanical energy from the engine into electrical energy. This ensures that the battery remains sufficiently charged to start the engine and power electrical components when the engine is not running.

Electrical System Support

In addition to charging the battery, the alternator supplies power to the vehicle’s electrical systems while the engine is operating. This includes the fuel injection system, which relies on a consistent electrical supply to deliver fuel to the engine cylinders at the correct time and in the right amounts.

Integration with the Voltage Regulator

The alternator works alongside the voltage regulator to maintain a stable electrical output. The voltage regulator monitors the electrical system’s voltage and adjusts the alternator’s output to prevent overcharging or undercharging the battery.

Contribution to Accessory Operation

Many vehicle accessories, such as the air conditioning compressor, power steering pump, and windshield wipers, require a consistent electrical supply to function correctly. The alternator ensures these accessories receive the necessary power, enhancing the vehicle’s overall performance and driver comfort.

Synergy with the Starter Motor

Although the starter motor’s primary role is to crank the engine during startup, it relies on a charged battery to operate effectively. The alternator ensures the battery is always ready to provide the necessary power for the starter motor, facilitating smooth engine starts.

Support for On-Board Diagnostics (OBD)

Modern vehicles are equipped with on-board diagnostics systems that monitor various engine parameters and detect malfunctions. The alternator provides the electrical power needed for these systems to function, ensuring accurate diagnostics and timely maintenance.

Enhancement of Lighting Systems

The alternator powers the vehicle’s lighting systems, including headlights, taillights, and interior lights. Consistent electrical supply from the alternator ensures these lights operate reliably, enhancing visibility and safety on the road.

Facilitation of Communication Systems

In vehicles equipped with advanced communication systems, such as Bluetooth connectivity or navigation systems, the alternator provides the necessary electrical power to ensure these systems function seamlessly.

Contribution to Entertainment Systems

For vehicles with integrated entertainment systems, including radios, CD players, and multimedia interfaces, the alternator supplies the electrical power required for these systems to operate, providing an enjoyable driving experience.

Conclusion

The Cummins 5523955 Alternator is a critical component in the electrical system of commercial trucks, ensuring reliable power generation and distribution. Its robust design, efficient performance, and compatibility with various Cummins engines make it an essential part for maintaining the functionality and safety of the vehicle. Proper installation, regular maintenance, and adherence to safety precautions are vital for ensuring the alternator’s optimal performance and longevity.


  1. Composite Materials Handbook Volume 4 Metal Matrix Composites, SAE International, 2013

  2. Internal Combustion Engine Fundamentals, John Heywood, McGraw-Hill Education, 2019

  3. Troubleshooting and Repairing Diesel Engines, 5th Edition, Paul Dempsey, McGraw-Hill, 2018

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SPECIFICATIONS

Package Dimensions
12.75 x 12.5 x 10.38 in
Weight
21 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.