3629822
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$14,999.95 $17,849.94

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 3629822 Alternator is a component designed for use in commercial trucks, playing a significant role in maintaining the vehicle’s electrical system. Its purpose is to generate electrical power to charge the truck’s battery and supply power to the electrical components while the engine is running. This ensures that the truck operates efficiently and reliably under various conditions.

Basic Concepts of Alternators

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 Cummins 3629822 Alternator

The Cummins 3629822 Alternator serves to maintain the electrical charge of the truck’s battery and supply power to the truck’s electrical systems while the engine is operational. It ensures that the battery remains charged, allowing for consistent starting of the engine and uninterrupted operation of electrical components such as lights, radios, and other accessories.

Key Features

This Cummins part is characterized by its robust design and construction, utilizing high-quality materials to ensure durability and efficiency. It incorporates advanced technological features such as an integrated voltage regulator, which helps maintain a consistent voltage output, ensuring optimal performance of the truck’s electrical system. Its compact design allows for easy installation in a variety of truck models.

Benefits

Using the 3629822 offers several advantages, including enhanced efficiency, reliability, and durability. Its efficient design ensures that it can handle the electrical demands of commercial trucks, while its reliable construction minimizes the risk of failure. The durability of the alternator contributes to the overall performance and longevity of the truck, reducing the need for frequent replacements.

Installation and Integration

Proper installation of the 3629822 Alternator involves ensuring that the truck’s electrical system is prepared for the new component. This may include checking the battery’s condition, ensuring the electrical connections are clean and secure, and verifying that the alternator is compatible with the truck’s make and model. Once installed, the alternator integrates seamlessly with the truck’s electrical system, providing a stable and consistent power supply.

Troubleshooting and Maintenance

Common issues with the 3629822 Alternator may include electrical output fluctuations, unusual noises, or failure to charge the battery. Troubleshooting steps may involve checking the electrical connections, testing the alternator’s output with a multimeter, and inspecting the belt tension. Regular maintenance, such as cleaning the alternator and checking for wear on the belt, can help ensure its longevity and optimal performance.

Performance Under Various Conditions

The 3629822 Alternator is designed to perform reliably under a range of operating conditions, including varying temperatures, loads, and speeds. Its robust construction and advanced features allow it to adapt to these conditions, ensuring consistent electrical output and contributing to the truck’s overall efficiency and reliability.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components, with a history of innovation and quality. The company’s commitment to advancing technology and maintaining high standards in manufacturing has established it as a leader in the industry. Cummins’ expertise in producing reliable and efficient components, such as the 3629822 Alternator, underscores its reputation for excellence in the commercial truck sector.

Cummins Alternator 3629822 Compatibility

The Cummins Alternator part number 3629822 is designed to fit seamlessly with a variety of engine models. This alternator is engineered to provide reliable power generation, ensuring optimal performance across different engine applications.

K50 Series Engines

For the K50 series engines, the 3629822 alternator is a critical component, ensuring that the engine’s electrical system functions efficiently. This alternator is specifically tailored to meet the power demands of the K50 engines, providing consistent voltage regulation and preventing electrical failures.

Group Compatibility

The 3629822 alternator is also compatible with other engine groups that share similar design and power requirements with the K50 series. This ensures that the alternator can be used across multiple platforms, enhancing its versatility and utility in various engine applications.

By integrating the 3629822 alternator into these engines, users can expect improved reliability and performance, making it an essential part for maintaining the operational integrity of the engine systems.

Role of Part 3629822 Alternator in Engine Systems

The alternator, specifically part 3629822, is an essential component within the engine system, primarily 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 connection allows the alternator to spin at a speed proportional to the engine’s RPM (revolutions per minute). As the alternator rotor spins within the stator, it generates an alternating current (AC), which is then rectified into direct current (DC) by the diode rectifier within the alternator. This DC power is used to charge the battery and power the vehicle’s electrical systems, including the ignition system, lighting, and various electronic control units (ECUs).

The alternator also plays a significant role in maintaining the vehicle’s electrical balance. It ensures that the battery remains charged, preventing drain and providing a stable voltage supply to all electrical components. This stability is vital for the proper functioning of sensitive electronic systems, such as the engine control unit (ECU), which relies on consistent voltage to execute precise fuel injection and ignition timing.

Furthermore, the alternator’s efficient operation is integral to the overall performance and reliability of the engine system. It supports the starter motor during engine cranking, ensures the headlights and other accessories operate smoothly, and contributes to the vehicle’s drivability by maintaining optimal battery health.

Conclusion

In summary, the 3629822 Alternator is a pivotal component that ensures the engine system’s electrical needs are met, supporting both the engine’s operation and the vehicle’s electrical subsystems.


  1. Robert Bosch GmbH. (2014). Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
14.0 x 14.0 x 14.0 in
Weight
70 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.