4381504
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,249.95 $1,487.44

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

Introduction

The Cummins 4381504 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 electricity to the truck’s electrical components while the engine is running. This ensures that the truck’s electrical systems operate efficiently and reliably, contributing to the overall performance and longevity of the vehicle.

Basic Concepts of Alternators

An alternator is a device that converts mechanical energy into electrical energy. It operates by using a rotor that spins within a stationary set of coils, known as the stator, to generate an alternating current (AC). This AC is then converted into direct current (DC) by a rectifier, which is used to charge the battery and power the vehicle’s 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 4381504 Alternator in Truck Operation

The 4381504 Alternator serves a vital role in the electrical system of a commercial truck. It is responsible for maintaining the battery’s charge level by converting mechanical energy from the engine into electrical energy. This ensures that the battery remains charged, allowing the truck to start reliably and operate its electrical components, such as lights, radios, and other systems, without draining the battery.

Key Features of the 4381504 Alternator

The 4381504 Alternator is characterized by its robust design and construction. It utilizes high-quality materials and advanced manufacturing techniques to ensure durability and efficiency. Cummins has incorporated unique technological advancements into this alternator, enhancing its performance and reliability. These features contribute to its ability to withstand the demanding conditions often encountered in commercial truck operations.

Benefits of Using the 4381504 Alternator

The 4381504 Alternator offers several advantages, including high efficiency, durability, and reliability. Its efficient design ensures that it can effectively convert mechanical energy into electrical power with minimal loss, contributing to the truck’s overall fuel efficiency. The durability and reliability of the alternator are critical for maintaining the truck’s performance and reducing downtime, making it a valuable component for commercial truck operators.

Installation and Compatibility

Proper installation of the 4381504 Alternator is crucial for ensuring its optimal performance. Installation procedures may vary depending on the specific truck model, and it is important to follow manufacturer guidelines to ensure compatibility and correct fitment. The alternator is designed to be compatible with various Cummins engines, providing flexibility for different truck applications.

Maintenance and Troubleshooting

Regular maintenance is key to ensuring the long-term performance of the 4381504 Alternator. This includes checking the alternator’s connections, inspecting the belt for wear, and ensuring that the alternator is functioning correctly. Common issues that may arise include electrical faults or mechanical wear, and troubleshooting steps may involve checking the alternator’s output, inspecting the wiring, and testing the battery’s charge level.

Performance Under Various Conditions

The 4381504 Alternator is designed to perform reliably under a wide range of operating conditions. It is capable of operating efficiently in extreme temperatures, at high altitudes, and under heavy-duty applications. Its resilience and efficiency in challenging environments make it a suitable choice for commercial trucks that operate in diverse conditions.

Environmental and Efficiency Considerations

The 4381504 Alternator is designed with energy efficiency in mind, contributing to reduced fuel consumption and lower emissions. Its efficient operation helps minimize the environmental impact of commercial trucks, aligning with efforts to reduce the carbon footprint of transportation. Cummins has incorporated eco-friendly features into the alternator’s design, further enhancing its environmental benefits.

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 itself as a leader in the automotive and engine manufacturing industry. The company’s mission is to create value for customers, employees, and shareholders by providing reliable, efficient, and environmentally responsible power solutions.

Cummins Alternator 4381504 Compatibility with Engine Models

The Cummins Alternator part number 4381504 is designed to be compatible with a range of Cummins QSK engines. This alternator is engineered to provide reliable power generation and charging for the engine’s electrical systems, ensuring optimal performance and longevity.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines are part of Cummins’ QSK series, known for their robust design and efficiency. The 4381504 alternator is specifically engineered to fit these models, providing the necessary power output to support their demanding operational requirements. This compatibility ensures that the alternator can handle the electrical load generated by these engines, maintaining system integrity and performance.

QSK60 CM850 MCRS and QSK60G

The QSK60 CM850 MCRS and QSK60G engines represent a more advanced segment within the QSK series, featuring higher power outputs and enhanced control systems. The 4381504 alternator is designed to integrate seamlessly with these engines, offering the required power generation capabilities to support their complex electrical systems. This compatibility is crucial for maintaining the high performance standards expected from these engines.

QSK78 CM500

The QSK78 CM500 engine is another high-performance model within the QSK series. The 4381504 alternator is engineered to fit this engine, providing the necessary electrical power to support its operations. This compatibility ensures that the alternator can meet the stringent demands of the QSK78 CM500, contributing to the engine’s overall reliability and efficiency.

By ensuring compatibility with these Cummins QSK engines, the 4381504 alternator offers a reliable and efficient solution for power generation, supporting the electrical needs of these robust and high-performance engines.

Role of Part 4381504 Alternator in Engine Systems

The alternator, specifically part 4381504, is an essential component in maintaining the electrical system of an engine. It is responsible for converting mechanical energy from the engine into electrical energy, which is then used to power various electrical components and recharge the battery.

When the engine is running, the alternator is driven by a belt connected to the crankshaft. This mechanical connection allows the alternator to spin at a high speed, generating electricity through electromagnetic induction. The generated electricity is regulated by the voltage regulator, ensuring a consistent output that matches the electrical demands of the vehicle.

The alternator works in conjunction with the battery to provide a stable power supply to the engine’s electrical systems. This includes powering the ignition system, fuel injection components, lighting, and various sensors and control modules.

Additionally, the alternator plays a role in maintaining the health of the battery by keeping it charged during engine operation. This ensures that the battery can provide the necessary power for starting the engine and supporting electrical systems when the engine is not running.

In summary, part 4381504 alternator is integral to the functioning of the engine’s electrical system, ensuring that all components receive a reliable and consistent power supply.

Conclusion

The Cummins 4381504 Alternator is a critical component in the electrical system of commercial trucks, ensuring reliable power generation and battery charging. Its robust design, compatibility with various Cummins engines, and efficient operation make it a valuable asset for truck operators. Regular maintenance and proper installation are essential for maximizing the performance and longevity of this alternator.


  1. Schneider, Wolf-Henning. Pistons and Engine Testing. Springer Nature, 2016.

SPECIFICATIONS

Package Dimensions
22.0 x 19.0 x 14.0 in
Weight
4.467 lb
* 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.