5267512
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$679.95 $809.14

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 5267512 Alternator is a vital component in the electrical system of commercial trucks. Its purpose is to generate electrical power to charge the truck’s battery and supply electricity to the vehicle’s electrical systems while the engine is running. This part ensures the continuous operation of electrical components and maintains the truck’s battery charge, which is essential for the truck’s overall functionality and performance.

Basic Concepts of Alternators

An alternator is a device that converts mechanical energy into electrical energy. It plays a role in the electrical system of a truck by generating electricity to charge the battery and power electrical components. Alternators differ from generators in that they produce alternating current (AC), which is then converted to direct current (DC) by a rectifier within the alternator, suitable for charging the battery and powering the truck’s electrical systems 1.

Purpose of the 5267512 Alternator

The Cummins 5267512 Alternator serves a specific function in the operation of a truck. It generates electrical power to charge the battery and supply electricity to the vehicle’s electrical systems while the engine is running. This ensures that the truck’s electrical components, such as lights, radio, and other accessories, have a consistent power source, and the battery remains charged for engine starting and other critical functions.

Key Features

The Cummins 5267512 Alternator is characterized by its robust design and high build quality. It features a durable construction that is capable of withstanding the demanding conditions of commercial truck operations. Unique characteristics of this alternator include its efficient power output and reliable performance, which contribute to its effectiveness in maintaining the electrical system of the truck.

Benefits

Using the Cummins 5267512 Alternator offers several benefits, including reliability, efficiency, and durability. These attributes contribute to the overall performance and longevity of the truck. The alternator’s reliable operation ensures consistent electrical power supply, while its efficiency helps in reducing unnecessary strain on the engine, contributing to better fuel economy. Durability ensures that the alternator can withstand the rigors of commercial use, providing long-term value 2.

Installation and Compatibility

Proper installation of the Cummins 5267512 Alternator is important to ensure its effective operation. Specific requirements and considerations should be followed during installation to maintain the alternator’s performance and compatibility with the truck’s electrical system. Compatibility with various truck models and engines is a key factor in selecting the right alternator for a specific application.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the Cummins 5267512 Alternator. This includes checking the alternator’s connections, inspecting the belt for wear, and ensuring the alternator is functioning correctly. Common troubleshooting tips for addressing issues such as charging problems or electrical faults can help in maintaining the alternator’s efficiency and reliability.

Performance and Efficiency

The performance and efficiency of the Cummins 5267512 Alternator under various operating conditions are notable. Its design and construction allow it to operate effectively in different environments, contributing to fuel efficiency and overall truck performance. The alternator’s ability to provide consistent electrical power supports the truck’s electrical systems, enhancing the vehicle’s operational capabilities 3.

Cummins Corporation

Cummins Inc. is a well-established manufacturer with a strong reputation in the industry for producing high-quality automotive components. The company’s history, commitment to quality, and focus on innovation in manufacturing are reflected in its products, including the Cummins 5267512 Alternator. Cummins’ dedication to excellence ensures that its components meet the demanding requirements of commercial truck applications.

Cummins Alternator Part 5267512 Compatibility

The Cummins Alternator part number 5267512 is a versatile component designed to fit a range of Cummins engines. This alternator is engineered to provide reliable power generation for various engine models, ensuring consistent performance across different applications.

Compatible Engines

  • B6.7 CM2350 B135B
  • B6.7 CM2670 B153B
  • ISB/ISD4.5 CM2150 B119
  • ISB/ISD6.7 CM2150 SN
  • ISBE CM2150
  • ISBE4 CM850
  • ISD4.5 CM2220 D108

Grouping by Engine Series

B6.7 Series

The Cummins B6.7 series engines, specifically the B6.7 CM2350 B135B and B6.7 CM2670 B153B, are designed for heavy-duty applications. The alternator part 5267512 is compatible with these engines, providing the necessary power to support their demanding operational requirements.

ISB/ISD4.5 Series

The ISB/ISD4.5 CM2150 B119 engine is part of the ISB/ISD series, which is known for its versatility and efficiency. The alternator part 5267512 fits seamlessly with this engine, ensuring reliable power generation for various applications.

ISB/ISD6.7 Series

The ISB/ISD6.7 CM2150 SN engine is another member of the ISB/ISD series, designed for high-performance applications. The alternator part 5267512 is compatible with this engine, providing the necessary power to meet its rigorous demands.

ISBE Series

The ISBE CM2150 engine is part of the ISBE series, which is known for its durability and efficiency. The alternator part 5267512 is designed to fit this engine, ensuring consistent power generation for various applications.

ISBE4 Series

The ISBE4 CM850 engine is a part of the ISBE4 series, which is engineered for high-performance applications. The alternator part 5267512 is compatible with this engine, providing the necessary power to support its demanding operational requirements.

ISD4.5 Series

The ISD4.5 CM2220 D108 engine is part of the ISD series, which is designed for heavy-duty applications. The alternator part 5267512 fits this engine, ensuring reliable power generation for various demanding applications.

By ensuring compatibility with a wide range of Cummins engines, the alternator part 5267512 offers a reliable solution for maintaining power generation across different engine models.

Role of Part 5267512 Alternator in Engine Systems

The alternator, specifically part 5267512, is an integral component within the engine system, responsible for generating electrical power to sustain the vehicle’s electrical needs while the engine is running. This power is essential for operating various electrical components and recharging the battery.

Interaction with Engine Components

  1. Battery: The alternator works in tandem with the battery to ensure a consistent power supply. It recharges the battery as the vehicle operates, maintaining optimal voltage levels.

  2. Voltage Regulator: This component monitors the alternator’s output, ensuring that the electrical system receives a stable voltage. It adjusts the alternator’s output to prevent overcharging or undercharging the battery.

  3. Drive Belt: The alternator is driven by the engine’s drive belt, which transfers mechanical energy from the engine to the alternator. This mechanical energy is converted into electrical energy.

  4. Electrical System: The alternator supplies power to the vehicle’s electrical system, including the ignition system, lighting, and various electronic control units (ECUs).

  5. Starter Motor: Although the starter motor’s primary role is to start the engine, the alternator ensures that the battery has sufficient charge to support repeated starts.

  6. Sensors and Control Units: Modern vehicles rely on numerous sensors and control units that require a stable power supply. The alternator ensures these components receive consistent power, enabling accurate data collection and system control.

  7. Accessory Systems: Systems such as power windows, air conditioning, and audio systems depend on the alternator for continuous operation.

By understanding the alternator’s role and its interactions with these components, engineers and mechanics can better diagnose issues, perform maintenance, and ensure the vehicle’s electrical system operates efficiently.

Conclusion

The Cummins 5267512 Alternator is a critical component in the electrical system of commercial trucks, ensuring the continuous operation of electrical components and maintaining the truck’s battery charge. Its robust design, efficient power output, and reliable performance contribute to the overall functionality and performance of the truck. Proper installation, regular maintenance, and understanding its role within the engine system are essential for ensuring the alternator’s effectiveness and longevity.


  1. Hilgers, M. (2023). Alternative Powertrains and Extensions to the Conventional Powertrain. Springer Nature.

  2. Hilgers, M. (2023). Electrical Systems and Mechatronics, Second Edition. Springer Vieweg.

  3. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

SPECIFICATIONS

Package Dimensions
19.0 x 16.0 x 17.0 in
Weight
7 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.