5288273
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,099.95 $1,308.94

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 5288273 Alternator is a component designed for use in commercial trucks. It serves a role in the electrical system of these vehicles, ensuring that the battery remains charged and that all electrical components receive the necessary power while the engine is running. This part is part of Cummins Inc.’s lineup of automotive components, known for their reliability and performance in demanding applications.

Basic Concepts of Alternators

An alternator is a device that converts mechanical energy into electrical energy. It plays a role in a vehicle’s electrical system by generating electricity to power the vehicle’s electrical components and to recharge the battery 1. Unlike generators, which produce direct current (DC), alternators produce alternating current (AC), which is then converted to DC by a rectifier within the alternator. This conversion is necessary because vehicle electrical systems operate on DC 2.

Purpose of the Cummins 5288273 Alternator

The Cummins 5288273 Alternator is designed to maintain the electrical charge in a truck’s battery and to supply power to the vehicle’s electrical systems while the engine is operating. It ensures that lights, radios, and other electrical accessories function correctly, and it helps to maintain the battery’s charge level, which is important for starting the engine and for the truck’s overall electrical health.

Key Features

The Cummins 5288273 Alternator is characterized by its robust design and high-quality construction. It is built to withstand the rigors of commercial truck use, with features that enhance its durability and efficiency. These may include a sturdy housing, high-quality bearings, and advanced electronic regulators that ensure consistent output under varying conditions.

Benefits

Using the Cummins 5288273 Alternator offers several advantages. Its reliable performance ensures that the truck’s electrical system operates efficiently, reducing the risk of unexpected failures. The alternator’s durability contributes to the longevity of the truck, and its efficient design helps to minimize energy loss, which can improve fuel economy 3.

Installation and Integration

Proper installation of the Cummins 5288273 Alternator is important for ensuring its optimal performance and longevity. Installation guidelines may vary depending on the specific truck model, and it is important to follow manufacturer recommendations to ensure compatibility and correct integration with the vehicle’s electrical system.

Troubleshooting and Maintenance

Common issues with alternators can include electrical faults, bearing wear, and regulator failures. Regular maintenance, such as checking the drive belt tension and ensuring the alternator is clean and free from corrosion, can help prevent these issues. If problems arise, troubleshooting steps may involve testing the electrical output and inspecting the physical condition of the alternator.

Performance in Various Conditions

The Cummins 5288273 Alternator is designed to perform reliably under a range of operating conditions. It is capable of maintaining efficient electrical output in extreme temperatures, under heavy loads, and during long-haul operations. Its construction and design features contribute to its ability to handle these varied conditions without compromising performance.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and high-performance components for a variety of applications, including commercial trucks. The company’s dedication to advancing technology and improving product efficiency is reflected in its alternator offerings, including the Cummins 5288273 Alternator.

Compatibility of Cummins Alternator Part 5288273

The Cummins alternator part number 5288273 is designed to be compatible with a range of Cummins engines. Here is a detailed breakdown of the engines it fits:

B6.7 CM2670 B153B

The B6.7 CM2670 B153B engine is a robust and reliable power unit. This alternator is engineered to provide efficient power generation for this engine, ensuring optimal performance and longevity.

F3.8 CM2620 F137B and F4.5 CM2620 F139B

Both the F3.8 CM2620 F137B and F4.5 CM2620 F139B engines benefit from the alternator part 5288273. This alternator is designed to handle the specific electrical demands of these engines, ensuring consistent power supply and reliable operation.

ISB/ISD 4.5 CM2150 B119

The ISB/ISD 4.5 CM2150 B119 engine is another model that is compatible with the alternator part 5288273. This alternator is tailored to meet the electrical requirements of this engine, providing a seamless fit and efficient performance.

ISBE CM2150 and ISBE4 CM850

The ISBE CM2150 and ISBE4 CM850 engines are designed for heavy-duty applications. The alternator part 5288273 is engineered to support these engines, ensuring they receive the necessary power to operate at peak efficiency.

ISF3.8 CM2220 AN

The ISF3.8 CM2220 AN engine is also compatible with the alternator part 5288273. This alternator is designed to integrate smoothly with this engine, providing reliable power generation and enhancing overall engine performance.

Role of Part 5288273 Alternator in Engine Systems

The alternator, specifically part 5288273, is integral to the operation of various engine systems. Its primary function is to generate electrical power to recharge the battery and supply electricity to the vehicle’s electrical systems while the engine is running.

When the engine is operational, the alternator is driven by a belt connected to the crankshaft. This mechanical connection allows the alternator to convert mechanical energy into electrical energy through electromagnetic induction.

The alternator works in conjunction with the battery to ensure a consistent power supply to the vehicle’s electrical components, such as the ignition system, lighting, and various sensors. It also powers the fuel injection system, which is responsible for delivering the precise amount of fuel to the engine cylinders.

In addition, the alternator supports the operation of the engine control unit (ECU), which monitors and adjusts engine performance in real-time. The electrical power supplied by the alternator is essential for the proper functioning of the ECU’s sensors and actuators.

Furthermore, the alternator plays a role in maintaining the vehicle’s charging system efficiency. It ensures that the battery remains charged, which is vital for starting the engine and supporting the vehicle’s electrical demands when the engine is not running.

Overall, the alternator is a key component that ensures the seamless integration and operation of various engine systems, contributing to the vehicle’s overall performance and reliability.

Conclusion

The Cummins 5288273 Alternator is a critical component in the electrical systems of commercial trucks. Its robust design, reliable performance, and compatibility with a range of Cummins engines make it an essential part for maintaining the electrical health and efficiency of these vehicles. Proper installation, regular maintenance, and understanding its role in engine systems are key to maximizing the benefits of this Cummins part.


  1. Hu, Haoran, Rudy Smaling, and Simon Baseley. Heavy-Duty Wheeled Vehicles. SAE International, 2014.

  2. Trzesniowski, Michael. The Complete Vehicle. Springer Nature, 2023.

  3. Williams, Daniel. Generalized Vehicle Dynamics. SAE International, 2022.

SPECIFICATIONS

Weight
7.04 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.