5264312
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$559.95 $666.34

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 5264312 Alternator is a component designed for use in commercial trucks, playing a significant role in the vehicle’s electrical system. Its primary function is to generate electrical power to charge the battery and supply power to the truck’s electrical components while the engine is running. This alternator is integral to ensuring that the truck operates efficiently and reliably, contributing to the overall performance and longevity of the vehicle.

Basic Concepts of an Alternator

An alternator is a device that converts mechanical energy into electrical energy. It functions by using a rotor that spins within a stationary stator, generating an alternating current (AC) that is then converted into direct current (DC) by a rectifier. This DC power is used to charge the vehicle’s battery and power its electrical systems. Alternators differ from generators in that they produce AC, which is then converted to DC, whereas generators directly produce DC 1.

Purpose of the 5264312 Alternator in Truck Operation

The 5264312 Alternator serves a vital role in the electrical system of a commercial truck. It is responsible for generating electrical power to charge the battery, ensuring that it remains adequately charged during operation. Additionally, the alternator supplies power to the truck’s electrical components, such as lights, radios, and other accessories, while the engine is running. This ensures that the truck can operate its electrical systems without draining the battery, maintaining a consistent power supply.

Key Features of the 5264312 Alternator

The 5264312 Alternator is characterized by its robust design and construction. It utilizes high-quality materials to ensure durability and reliability. The alternator incorporates advanced technological features, such as efficient cooling systems and precision-engineered components, to enhance its performance. These features contribute to the alternator’s ability to withstand the demanding conditions of commercial truck operation.

Benefits of Using the 5264312 Alternator

The 5264312 Alternator offers several advantages, including high efficiency, durability, and reliability. Its efficient design ensures that it can generate sufficient power to meet the demands of the truck’s electrical system while minimizing energy loss. The alternator’s durable construction allows it to withstand the rigors of heavy-duty use, contributing to the truck’s overall performance and longevity.

Installation and Compatibility

Installing the 5264312 Alternator requires adherence to specific guidelines to ensure proper function and integration with the truck’s electrical system. It is compatible with a range of truck models and engine types, making it a versatile choice for commercial truck applications. Proper installation is crucial to ensure that the alternator operates efficiently and reliably 2.

Maintenance and Troubleshooting

To ensure optimal performance and longevity, the 5264312 Alternator should be maintained according to manufacturer guidelines. Regular inspections and servicing can help identify and address potential issues before they become significant problems. Common issues may include electrical faults or mechanical wear, and troubleshooting tips can assist in diagnosing and resolving these problems.

Performance and Efficiency

The 5264312 Alternator is designed to deliver high performance and efficiency. Its output capacity and efficiency ratings are competitive with other alternators in the market, ensuring that it can meet the power demands of commercial trucks. The alternator’s efficient design contributes to its ability to operate reliably under various conditions.

Safety and Reliability

The 5264312 Alternator incorporates safety features designed to protect both the alternator and the truck’s electrical system. These features enhance the alternator’s reliability, ensuring that it can operate safely and efficiently in a range of operating conditions. The alternator’s robust construction and advanced design contribute to its safety and reliability.

Environmental Impact

The 5264312 Alternator is designed with environmental considerations in mind. Its energy-efficient operation helps reduce fuel consumption and emissions, contributing to a lower environmental impact. Additionally, the use of eco-friendly materials and manufacturing processes in its production further enhances its environmental credentials.

Cummins Corporation

Cummins Corporation is a renowned manufacturer in the automotive industry, particularly known for its diesel engines and related components. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and high-performance parts. The company’s commitment to excellence is evident in its wide range of products, including the 5264312 Alternator, which embodies Cummins’ dedication to quality and performance.

Cummins Alternator Part 5264312 Compatibility with Engine Models

The Cummins alternator part number 5264312 is designed to fit a variety of engine models, ensuring reliable power generation across different engine configurations. Here is a detailed look at the compatibility of this alternator with various engine models:

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)

This alternator part is engineered to provide consistent performance across these engine models, ensuring that the power needs of the vehicle or machinery are met efficiently. The compatibility ensures that users can rely on the alternator to function seamlessly with their specific engine type, regardless of the model year or configuration.

Role of Part 5264312 Alternator in Engine Systems

The alternator, specifically part 5264312, 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. This alternator is engineered to convert mechanical energy from the engine into electrical energy, ensuring a consistent power supply to the battery and other electrical components.

When the engine is operational, the alternator is driven by a belt connected to the crankshaft. This mechanical linkage allows the alternator to spin at a high speed, which is necessary for efficient power generation. The alternator’s rotor, situated inside the alternator housing, spins within a stationary set of coils known as the stator. As the rotor spins, it creates a magnetic field that induces an electrical current in the stator windings.

This generated alternating current (AC) is then converted into direct current (DC) by the alternator’s built-in rectifier. The DC output is essential because it matches the type of current used by the vehicle’s electrical systems and battery. The voltage regulator, another integral part of the alternator, ensures that the output voltage remains within a safe and consistent range, typically around 13.5 to 14.5 volts, to prevent overcharging or undercharging the battery.

In addition to powering the battery, the alternator supplies electricity to various components such as the ignition system, lighting, climate control, and infotainment systems. Its reliable operation is vital for maintaining the vehicle’s performance and ensuring that all electrical systems function correctly.

The alternator also plays a role in reducing strain on the battery. By continuously recharging the battery while the engine is running, it extends the battery’s lifespan and ensures that the vehicle can start reliably even after prolonged periods of inactivity.

Overall, part 5264312 alternator is a fundamental component in the engine system, ensuring that the vehicle’s electrical needs are met efficiently and reliably.

Conclusion

The Cummins 5264312 Alternator is a critical component in the electrical system of commercial trucks, designed to ensure efficient and reliable operation. Its robust design, advanced features, and compatibility with various engine models make it a versatile and dependable choice for heavy-duty applications. Proper installation, maintenance, and understanding of its role in the engine system are essential for maximizing its performance and longevity.


  1. Stiesch, Gunnar. Modeling Engine Spray and Combustion Processes. Springer Verlag, 2003.

  2. Hick, Hannes, Klaus Kupper, and Helfried Sorger. Systems Engineering for Automotive Powertrain Development. Springer, 2021.

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SPECIFICATIONS

Notes
Brazil PDC.
Package Dimensions
12.75 x 12.5 x 10.38 in
Weight
25 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.