4920106
Alternator Support
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$469.95 $559.24

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 4920106 Alternator Support is a component designed to enhance the functionality and reliability of commercial trucks’ electrical systems. It provides stable and secure mounting for the alternator, ensuring efficient operation and longevity of the electrical system 1.

Basic Concepts of Alternator Support

An alternator support serves as a mounting bracket that secures the alternator to the engine. It maintains the alternator’s alignment and stability, which is vital for the consistent generation of electrical power. The alternator support interacts with the engine, alternator, and other components of the electrical system to ensure smooth and reliable operation 2.

Purpose of the 4920106 Alternator Support

This part is designed to maintain the alternator’s position and stability within the truck’s engine compartment. By providing a secure mounting point, it helps in reducing vibrations and ensuring that the alternator operates within the optimal range. This support is integral to the alternator’s ability to generate a consistent electrical output, which is essential for powering the truck’s electrical systems and charging the battery 3.

Key Features

This Cummins part is constructed from durable materials, ensuring it can withstand the rigors of commercial truck operation. Its design includes features such as precise mounting points and robust construction to enhance performance. Additionally, it may incorporate elements that facilitate easy installation and maintenance, contributing to its overall effectiveness.

Benefits

The use of the 4920106 Alternator Support offers several benefits. It contributes to improved durability of the alternator mounting system, enhances the reliability of the electrical system, and potentially improves overall truck performance by ensuring a stable and efficient alternator operation. This support can lead to reduced maintenance needs and increased uptime for commercial trucks.

Installation Process

Installing the 4920106 Alternator Support involves several steps. First, the existing alternator support, if present, should be removed. The new support should then be aligned with the mounting points on the engine and secured in place using the appropriate fasteners. It is important to ensure that the support is properly aligned to avoid any issues with alternator operation. Tools such as wrenches and sockets may be required for this process.

Troubleshooting Common Issues

Common issues with the 4920106 Alternator Support may include loose mounting, which can lead to alternator misalignment and reduced efficiency. To address these problems, regular inspections should be conducted to ensure that the support is securely fastened and aligned correctly. Any signs of wear or damage should be addressed promptly to prevent further issues.

Maintenance Tips

To ensure the longevity and optimal performance of the 4920106 Alternator Support, regular inspections are recommended. This includes checking for signs of wear, corrosion, or damage. Additionally, ensuring that all fasteners are tight and the support is properly aligned can help maintain efficient alternator operation. Following recommended service intervals for the alternator and electrical system can also contribute to the overall performance of the truck.

Cummins Corporation Overview

Cummins Corporation is a well-established entity in the commercial truck industry, known for its comprehensive range of diesel engines and related technologies. With a history of innovation and quality, Cummins has built a reputation for reliability and performance in the commercial vehicle sector. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of commercial trucking.

Cummins Alternator Support Part 4920106 Compatibility

The Cummins Alternator Support part number 4920106 is designed to be compatible with several models of Cummins ISM engines. These engines include:

  • ISM CM570
  • ISM CM570/870
  • ISM CM876
  • ISM11 CM876 SN
  • QSM11 CM570

This alternator support is engineered to fit seamlessly with these engine models, ensuring proper alignment and function of the alternator. The part is critical for maintaining the alternator’s position and stability, which is essential for the engine’s electrical system to operate efficiently.

For the ISM CM570 and ISM CM570/870 engines, the alternator support provides a reliable mounting solution that helps in reducing vibrations and wear on the alternator, thereby extending its lifespan.

Similarly, for the ISM CM876 and ISM11 CM876 SN engines, the part ensures that the alternator remains securely fastened, which is crucial for consistent power generation and system reliability.

Lastly, the QSM11 CM570 engine also benefits from this alternator support, as it ensures that the alternator operates smoothly without any undue stress, contributing to the overall performance and longevity of the engine.

By using the Cummins Alternator Support part number 4920106, users can expect a dependable and robust mounting solution that is tailored to the specific needs of these Cummins ISM engine models.

Role of Part 4920106 Alternator Support in Engine Systems

The 4920106 Alternator Support is an essential component in the integration of the alternator within various engine systems. Its primary function is to provide a secure mounting point for the alternator, ensuring it remains firmly in place during engine operation. This support is vital for maintaining the alternator’s alignment and stability, which are necessary for efficient power generation and transmission to the vehicle’s electrical system.

When installed, the 4920106 Alternator Support interfaces directly with the engine’s mounting points, often utilizing brackets or fasteners to create a robust connection. This setup allows the alternator to operate smoothly, minimizing vibrations that could otherwise lead to mechanical wear or electrical inefficiencies.

Furthermore, the support plays a role in managing the alternator’s position relative to the engine’s rotating components, such as the crankshaft and the serpentine belt. Proper alignment ensures that the belt maintains optimal tension and contact with the alternator pulley, which is essential for consistent power output and the longevity of both the belt and the alternator.

In summary, the 4920106 Alternator Support is a key element in the engine system, facilitating the secure and efficient operation of the alternator by providing a stable mounting solution and aiding in the precise alignment of critical components.

Conclusion

The Cummins 4920106 Alternator Support is a vital component for the reliable operation of commercial trucks’ electrical systems. By providing a secure and stable mounting solution for the alternator, it ensures consistent power generation and contributes to the overall performance and longevity of the truck. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

  2. ElGindy, M., & ElSayegh, Z. (2023). Road and Off-Road Vehicle Dynamics. Springer Nature.

  3. Ribbens, W. B. (2003). Understanding Automotive Electronics. Elsevier Science.

SPECIFICATIONS

Package Dimensions
34.0 x 26.0 x 29.0 in
Weight
6.7 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.