3907706
Alternator Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$419.95 $499.74

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 3907706 Alternator Support is a component designed to facilitate the operation of commercial trucks by providing a stable mounting point for the alternator. This support ensures that the alternator remains securely in place, allowing it to function efficiently within the truck’s electrical system. Its role is significant in maintaining the overall performance and reliability of the vehicle’s electrical components 1.

Basic Concepts of Alternator Support

An alternator support serves as a mounting bracket that holds the alternator in the correct position. It plays a role in the truck’s electrical system by ensuring the alternator is properly aligned and secured. This support interacts with other components such as the engine and the electrical system, helping to maintain the alternator’s efficiency and longevity. Proper installation and maintenance of the alternator support are important for the consistent operation of the truck’s electrical system 2.

Purpose of the 3907706 Alternator Support

The 3907706 Alternator Support is designed to maintain the alternator’s position within the truck’s engine compartment. By providing a stable and secure mounting point, it ensures that the alternator operates efficiently. This support helps in reducing vibrations and maintaining alignment, which are important for the alternator’s performance and the overall electrical system’s reliability 3.

Key Features

The 3907706 Alternator Support features a robust construction, typically made from high-strength materials to withstand the rigors of commercial truck operations. Its design includes precise mounting points and brackets that ensure a secure fit. Additionally, it may incorporate features such as vibration dampening elements to enhance its functionality and prolong the alternator’s lifespan.

Benefits

The use of the 3907706 Alternator Support offers several benefits. It contributes to improved durability of the alternator by providing a stable mounting solution. This support enhances the reliability of the truck’s electrical system by ensuring the alternator remains properly aligned and secured. Additionally, it may contribute to overall truck performance by maintaining efficient electrical system operation.

Installation Process

Installing the 3907706 Alternator Support involves several steps. Begin by ensuring the engine compartment is clean and free of debris. Use the appropriate tools to remove the old support, if applicable. Position the new support in the designated location and secure it using the provided fasteners. Verify that the support is firmly in place and aligned correctly before reinstalling the alternator. Follow the manufacturer’s instructions for any additional steps or considerations.

Troubleshooting Common Issues

Common issues with the 3907706 Alternator Support may include loose connections or signs of wear and tear. To address these, first, inspect the support for any visible damage or misalignment. Tighten any loose fasteners and ensure the support is securely mounted. If wear is detected, consider replacing the support to prevent further issues. Regular inspections can help identify potential problems early.

Maintenance Tips

To prolong the lifespan of the 3907706 Alternator Support, incorporate regular inspection routines into your maintenance schedule. Check for signs of wear, corrosion, or loose fasteners. Clean the support and surrounding areas to prevent buildup that could affect performance. If significant wear or damage is observed, consider replacement to maintain the efficiency of the alternator and the electrical system.

Compatibility with Cummins Engines

The 3907706 Alternator Support is designed to be compatible with a range of Cummins engines, including the 4B3.9, 6B5.9, and B5.9 G engines. This versatility ensures that the alternator remains properly aligned and operates efficiently across different engine models, contributing to the overall performance of the engine.

Grouping for Efficiency

The design of the 3907706 Alternator Support allows for its use across multiple engine models, simplifying inventory management for service providers and reducing the need for multiple spare parts.

Installation and Maintenance

Proper installation of the 3907706 Alternator Support is crucial for the efficient operation of the alternator. Technicians should follow the manufacturer’s guidelines to ensure that the part is correctly mounted and aligned. Regular maintenance checks should be conducted to ensure that the support structure remains in good condition, free from any signs of wear or damage.

Role of Part 3907706 Alternator Support in Engine Systems

The 3907706 Alternator Support is an essential component in the integration and operation of the alternator within various engine systems. This support structure is designed to securely mount the alternator to the engine, ensuring stability and proper alignment during operation.

Integration with the Alternator

The alternator support plays a significant role in maintaining the alternator’s position relative to the engine’s crankshaft. It provides a stable platform for the alternator, allowing it to efficiently convert mechanical energy from the engine into electrical energy. This support ensures that the alternator remains in the correct orientation, which is vital for the consistent and reliable generation of electricity.

Interaction with the Mounting System

In conjunction with the mounting system, the alternator support facilitates the secure attachment of the alternator to the engine block or other structural components. This setup is crucial for withstanding the vibrations and stresses generated during engine operation. The support structure often includes brackets and fasteners that distribute the load evenly, preventing undue stress on any single point and ensuring longevity of both the alternator and the support itself.

Ensuring Proper Belt Tension

The alternator support also contributes to maintaining the correct tension on the drive belt that connects the alternator to the crankshaft. Proper belt tension is necessary for the efficient transfer of power from the engine to the alternator. The support structure allows for adjustments to be made, ensuring that the belt remains taut without being overly tight, which could lead to premature wear or failure.

Facilitating Maintenance and Replacement

From a maintenance perspective, the alternator support simplifies the process of removing and replacing the alternator. By providing a stable and accessible mounting point, it allows mechanics to quickly detach the alternator for servicing or replacement, minimizing downtime and enhancing the overall efficiency of maintenance procedures.

Conclusion

The 3907706 Alternator Support is a key component in the effective operation and maintenance of the alternator within engine systems. Its role in securing the alternator, maintaining belt tension, and facilitating ease of maintenance underscores its importance in ensuring the reliable performance of the electrical system in various engine applications.


  1. Hilgers, Michael. Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature, 2023.

  2. Calder, Nigel. Diesel Engine Care and Repair. The McGraw-Hill Companies, 2007.

  3. Cummins Inc. Operation and Maintenance Manual for ISB CM2150 and ISB CM2150 E. Bulletin Number 4021602.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.8 x 4.4 x 4.4 in
Weight
0.058 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.