3929418
Alternator Support
Cummins®

AVAILABLE

Cummins®

3 are currently available

Ships within 2-4 business days

$134.95 $160.59

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 Alternator Support 3929418 by Cummins is a critical component designed to enhance the operation of commercial trucks. Its purpose is to provide structural support to the alternator, ensuring stable and efficient performance of the electrical system. This part is significant in maintaining the reliability and functionality of the truck’s electrical components.

Basic Concepts of Alternator Support

An alternator support serves as a mounting bracket or frame that secures the alternator to the engine. Its primary function is to maintain the alternator’s position and alignment within the vehicle’s electrical system. This support ensures that the alternator operates efficiently by keeping it stable and properly aligned with the engine’s pulley system. The alternator support interacts with other components such as the alternator and engine, playing a role in the overall electrical system’s performance 1.

Role of Alternator Support 3929418 in Truck Operation

The Alternator Support 3929418 plays a specific role in the operation of a truck by contributing to the stability and efficiency of the alternator. It ensures that the alternator remains securely mounted, which is vital for consistent electrical output. This support helps in reducing vibrations and mechanical stress on the alternator, leading to more reliable electrical system performance. By maintaining the alternator’s alignment and stability, the Alternator Support 3929418 aids in the efficient generation and distribution of electrical power throughout the truck 2.

Key Features

The Alternator Support 3929418 is characterized by several key features that enhance its performance and durability. It is typically made from high-strength materials such as cast iron or durable alloys, ensuring it can withstand the rigors of commercial truck operation. The design includes precise mounting points and brackets that allow for secure attachment to both the alternator and the engine. Additionally, the support may feature vibration-dampening elements to further stabilize the alternator and reduce wear on connected components 3.

Benefits

The benefits provided by the Alternator Support 3929418 include improved alternator stability, which leads to enhanced electrical system reliability. By securely mounting the alternator, this support helps prevent electrical fluctuations and ensures a consistent power supply to the truck’s systems. Furthermore, the stability provided by the Alternator Support 3929418 can contribute to the overall performance and longevity of the truck, as a reliable electrical system is crucial for the operation of various onboard systems and components.

Troubleshooting and Maintenance

Common issues that may arise with the Alternator Support 3929418 include wear and tear from prolonged use, corrosion, or damage from vibrations. Recommended maintenance practices include regular inspection for signs of wear, corrosion, or looseness. Ensuring that the mounting points are secure and free from corrosion can help maintain optimal performance. If issues are detected, such as excessive vibration or electrical fluctuations, it may be necessary to replace or repair the support to restore the alternator’s stability and efficiency.

Compatible Engines

The Alternator Support part 3929418 by Cummins is designed to be compatible with a range of engine models. This part is engineered to provide robust support for the alternator, ensuring efficient operation and longevity of the alternator within the engine system.

Compatible Engines

  • 6B5.9 and B5.9 G: The 3929418 Alternator Support fits seamlessly with these engines, providing the necessary stability and alignment for the alternator.

  • 6C8.3 and C8.3 G: These engines also benefit from the 3929418 part, which ensures that the alternator remains securely mounted and operates without undue stress.

  • C GAS PLUS CM556 and G8.3: These models are included in the compatibility list for the 3929418 part, ensuring that the alternator support is tailored to meet the specific needs of these engines.

The design of the 3929418 Alternator Support ensures that it can be easily integrated into the engine systems of these models, providing a reliable and efficient solution for alternator mounting.

Role of Part 3929418 Alternator Support in Engine Systems

Part 3929418, the Alternator Support, is integral to the proper functioning and positioning of the alternator within various engine systems. This component ensures that the alternator is securely mounted and aligned correctly, which is essential for efficient operation.

Integration with Alternator Location and Mounting

The Alternator Support, part 3929418, interfaces directly with the alternator location and mounting mechanisms. It provides a stable foundation that allows the alternator to be positioned accurately within the engine bay. This precise placement is necessary for the alternator’s drive belt to engage properly with the crankshaft pulley, ensuring consistent power generation.

Ensuring Proper Alignment

By supporting the alternator, part 3929418 helps maintain the correct alignment of the alternator’s rotor and stator. This alignment is vital for the efficient conversion of mechanical energy into electrical energy. Any misalignment can lead to inefficient power generation or even mechanical failure.

Reducing Vibration and Stress

The Alternator Support also plays a role in reducing vibration and stress on the alternator. Engines operate under various loads and speeds, which can cause significant vibrations. The support component absorbs some of these vibrations, protecting the alternator from undue stress and extending its operational lifespan.

Facilitating Maintenance and Replacement

In addition to its operational roles, part 3929418 simplifies maintenance and replacement procedures. By providing a secure mounting point, it allows for easier access to the alternator. This can significantly reduce the time and effort required for routine inspections, repairs, or replacements, enhancing overall engine maintenance efficiency.

Conclusion

The Alternator Support 3929418 by Cummins is a vital component in the operation of commercial trucks, ensuring the stability and efficiency of the alternator. Its robust design, compatibility with various engine models, and role in maintaining proper alignment and reducing vibrations make it an essential part of the truck’s electrical system. Regular maintenance and timely replacement of this part can significantly enhance the reliability and performance of the truck’s electrical components.


  1. Robinson, A., & Livesey, A. (2006). The Repair of Vehicle Bodies Fifth Edition. Elsevier.

  2. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

  3. Viskup, R. (2020). Diesel and Gasoline Engines. IntechOpen.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.3 x 5.1 x 4.2 in
Weight
3.5 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.