3926928
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$119.95 $142.74

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 Belt Tensioner Bracket 3926928 by Cummins is a component designed to support the proper functioning of accessory belts in commercial trucks. Its role is to maintain the correct tension on these belts, ensuring they operate efficiently and effectively within the truck’s engine system 1.

Basic Concepts

A Belt Tensioner Bracket is a part of the engine system that holds and adjusts the tension of accessory belts. These belts drive various components such as the alternator, water pump, and air conditioning compressor. The tensioner bracket plays a role in maintaining the proper tension on these belts, which is necessary for their efficient operation and longevity. It helps in reducing slippage and wear, thereby contributing to the overall reliability of the truck’s engine system 2.

Purpose of the Belt Tensioner Bracket 3926928

This Cummins part is specifically designed to ensure the optimal performance of the engine’s accessory belts in commercial trucks. By maintaining the correct tension, it allows the belts to drive their respective components with minimal slippage and wear. This contributes to the efficient operation of the engine and its accessory systems, enhancing the truck’s overall performance and reliability 3.

Key Features

The Belt Tensioner Bracket 3926928 is characterized by its robust design and the use of high-quality materials. It is engineered to withstand the demanding conditions of commercial truck operations. Its design includes features that allow for easy adjustment of belt tension, ensuring that the belts remain in optimal condition. Additionally, the materials used in its construction are chosen for their durability and resistance to wear, contributing to the bracket’s longevity and reliability.

Benefits

This part offers several advantages. It contributes to improved engine efficiency by ensuring that the accessory belts operate under the correct tension. This reduces the risk of belt slippage and wear, leading to a more reliable operation of the truck’s accessory systems. Furthermore, by maintaining optimal belt tension, it helps in extending the lifespan of the belts and the components they drive, reducing the need for frequent replacements and repairs.

Installation and Compatibility

Proper installation of the Belt Tensioner Bracket 3926928 is crucial for its effective operation. It is important to follow the manufacturer’s guidelines for installation, ensuring that the bracket is securely mounted and that the belts are correctly tensioned. Compatibility with specific truck models should be verified to ensure optimal performance and integration with the engine system.

Troubleshooting and Maintenance

Common issues with the Belt Tensioner Bracket 3926928 may include belt slippage or excessive wear. Regular inspection and maintenance are recommended to identify and address these issues promptly. This includes checking the tension of the belts and the condition of the bracket itself. Proper maintenance practices can help in ensuring the longevity and performance of the bracket and the accessory belts it supports.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. Its products are known for their reliability, efficiency, and performance, making Cummins a preferred choice for commercial truck operators and manufacturers.

Belt Tensioner Bracket 3926928 Compatibility with Cummins Engines

This part is designed to fit seamlessly with several of their engine models. This part plays a role in maintaining the proper tension of the engine’s belts, ensuring efficient operation and longevity of the engine components.

Compatibility with Specific Engine Models

  • 6C8.3: The Belt Tensioner Bracket 3926928 is engineered to fit the 6C8.3 engine, providing a reliable mounting point for the belt tensioner. This ensures that the belt maintains the correct tension, which is vital for the proper functioning of the engine’s ancillary systems.

  • C GAS PLUS CM556: This bracket is also compatible with the C GAS PLUS CM556 engine. The design of the bracket allows it to securely attach to the engine’s mounting points, ensuring that the belt tensioner operates effectively. This compatibility is important for maintaining the engine’s performance and preventing potential belt-related issues.

  • C8.3 G: The C8.3 G engine is another model that benefits from the use of the Belt Tensioner Bracket 3926928. This bracket is specifically designed to fit the unique layout of the C8.3 G engine, ensuring that the belt tensioner is properly positioned and secured. This helps in maintaining the correct belt tension, which is crucial for the engine’s overall efficiency and reliability.

Grouping of Compatible Engines

The Belt Tensioner Bracket 3926928 is versatile and can be used across multiple engine models within the Cummins lineup. This part’s design allows it to be a common component for several engines, simplifying maintenance and repair processes. By using a single part for multiple engines, it reduces the need for specialized parts and makes it easier for technicians to manage inventory and perform repairs.

Role of Part 3926928 Belt Tensioner Bracket in Engine Systems

This part is an essential component in maintaining the proper tension of the drive belt within engine systems. This bracket is strategically positioned to interface with the alternator drive system, ensuring efficient operation of the alternator.

When the engine is running, the drive belt rotates the alternator, which in turn generates electrical power to charge the battery and power the vehicle’s electrical systems. The Belt Tensioner Bracket plays a significant role here by keeping the drive belt taut. This tension is vital for the alternator to spin at the correct speed, ensuring consistent electrical output.

Additionally, the Belt Tensioner Bracket helps in reducing belt slippage, which can lead to inefficient alternator performance and increased wear on the belt itself. By maintaining optimal tension, the bracket contributes to the longevity and reliability of the alternator and the drive belt.

Conclusion

In summary, the integration of the Belt Tensioner Bracket with the alternator drive system is designed to enhance the overall efficiency and durability of the engine’s electrical components. Its robust design, compatibility with multiple Cummins engine models, and role in maintaining optimal belt tension make it a critical component for the reliable operation of commercial trucks.


  1. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

  2. Hilgers, M. (2023). Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature.

  3. Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.4 x 5.0 x 2.3 in
Weight
1.5 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.