3959829
Alternator Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$319.95 $380.74

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

The 3959829 Alternator Support is a component designed by Cummins to enhance the operation of commercial trucks. This part is integral to the truck’s electrical system, ensuring the alternator is securely mounted and functions efficiently. Cummins, a renowned manufacturer in the commercial truck industry, is known for its commitment to quality and innovation in producing reliable truck components.

Basic Concepts of Alternator Support

An alternator support serves as a mounting bracket that secures the alternator to the engine. It plays a role in the electrical system by providing a stable platform for the alternator, which is responsible for generating electrical power to charge the battery and power the truck’s electrical systems 1. The alternator support interacts with various components, including the engine, alternator, and electrical system, to ensure smooth operation and efficient power generation.

Purpose of the 3959829 Alternator Support

The 3959829 Alternator Support is designed to secure the alternator in place, ensuring it remains stable during operation. This stability is important for maintaining the efficiency of the electrical system. By providing a solid mounting point, the alternator support helps reduce vibrations that could affect the alternator’s performance. Additionally, it contributes to the overall reliability of the truck’s electrical system by ensuring the alternator operates within optimal parameters 2.

Key Features

The 3959829 Alternator Support is constructed using durable materials that can withstand the rigors of commercial truck operation. Its design includes precise mounting points that align with the alternator and engine, ensuring a secure fit. Unique design elements, such as vibration dampening features, enhance its performance by minimizing the impact of engine vibrations on the alternator.

Benefits of Using the 3959829 Alternator Support

Utilizing the 3959829 Alternator Support offers several advantages. Its robust construction contributes to improved durability, ensuring long-term reliability. The secure mounting provided by this support enhances the electrical system’s efficiency, leading to consistent power generation. Additionally, by maintaining the alternator’s stability, it potentially contributes to overall truck performance, ensuring the electrical system operates smoothly under various conditions 3.

Installation Considerations

When installing the 3959829 Alternator Support, it is important to follow guidelines and best practices to ensure compatibility with the truck model and proper functionality. Specific installation requirements may include aligning the support with the engine and alternator mounting points, securing it with the appropriate fasteners, and verifying that all connections are tight and secure. Adhering to these practices helps ensure the alternator support performs as intended.

Troubleshooting and Maintenance

Common issues associated with alternator supports can include loosening of fasteners, wear on mounting points, and vibrations affecting the alternator’s performance. Diagnostic tips for identifying problems may involve inspecting the support for signs of wear or damage, checking the tightness of fasteners, and observing the alternator’s operation for any irregularities. Regular maintenance practices, such as tightening fasteners and inspecting the support for wear, can help ensure the longevity and performance of the 3959829 Alternator Support 4.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, with a history of producing high-quality truck components. The company offers a wide range of products designed to enhance the performance and reliability of commercial vehicles. Cummins is recognized for its commitment to quality and innovation, ensuring that its components meet the demanding requirements of the industry. The reputation of Cummins in manufacturing truck components is built on a foundation of excellence and customer satisfaction.

Conclusion

The 3959829 Alternator Support is a critical component in the electrical system of commercial trucks, designed to ensure the alternator remains securely mounted and operates efficiently. Its robust construction, precise design, and integration with mounting components contribute to the reliability and durability of the engine system. Proper installation and maintenance of this Cummins part are essential for maintaining engine performance and ensuring the longevity of the alternator.


  1. Rendle, S., & Randall, M. (2000). Haynes Diesel Engine Systems and Data Book. Haynes Publishing.

  2. Wharton, A. J. (1991). Diesel Engines. Butterworth-Heinemann Ltd.

  3. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning.

  4. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

SPECIFICATIONS

Package Dimensions
7.3 x 7.3 x 5.25 in
Weight
7 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.