3926106
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$204.95 $243.89

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 3926106, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the engine manufacturing industry, produces a range of parts that contribute to the efficiency and reliability of truck engines. This Cummins part plays a role in maintaining the functionality of a truck’s engine system.

Basic Concepts of Belt Tensioner Brackets

A Belt Tensioner Bracket is a component that supports the tensioner mechanism in a vehicle’s engine system. Its general function is to ensure that the belts driving various engine accessories are kept at the correct tension. This is achieved through a spring-loaded mechanism that applies consistent pressure to the belt, compensating for wear and changes in belt length due to temperature variations. Proper belt tension is vital for the efficient transfer of power to accessories such as the alternator, water pump, and air conditioning compressor 1.

Purpose of the 3926106 Belt Tensioner Bracket

This part is specifically designed to integrate with Cummins engines, supporting the tensioner in the accessory drive system. Its role is to maintain optimal belt tension, which is crucial for the reliable operation of engine accessories. By ensuring that belts are neither too tight nor too loose, the bracket contributes to the smooth and efficient functioning of the engine’s accessory systems.

Key Features

The 3926106 is constructed from high-quality materials, designed to withstand the rigors of commercial truck operations. Its design includes features that enhance durability and efficiency, such as a robust mounting structure and precision-machined surfaces for the tensioner mechanism. These attributes ensure that the bracket can endure the dynamic conditions within an engine compartment, providing long-lasting performance 2.

Benefits

Utilizing the 3926106 offers several advantages. It contributes to improved engine performance by ensuring that belts operate at the correct tension, reducing the risk of belt slippage or failure. This, in turn, leads to reduced wear on belts and accessories, enhancing the overall reliability of the truck’s accessory systems. The bracket’s design also aids in minimizing noise and vibration, contributing to a smoother engine operation.

Installation Considerations

Proper installation of the 3926106 is vital for its optimal performance. Installation procedures should follow manufacturer guidelines, which may include the use of specific tools to ensure the bracket is securely mounted and the tensioner is correctly aligned. Attention to detail during installation helps prevent issues such as belt misalignment or excessive tension, which can lead to premature wear or failure of engine accessories.

Troubleshooting and Maintenance

Identifying common issues with the Belt Tensioner Bracket, such as wear or misalignment, is important for maintaining engine efficiency. Regular inspections and maintenance practices, including checking for signs of wear on the bracket and tensioner, and ensuring belts are properly tensioned, can help ensure longevity and efficient operation of the accessory drive system. Diagnostic procedures may involve visual inspections and operational tests to assess the condition of the bracket and associated components.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to quality is evident in its wide range of engine components, including the Belt Tensioner Bracket 3926106, which is designed to meet the demanding requirements of commercial truck operations.

Compatibility with Cummins Engines

This part is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. It is integral in maintaining the tension of the engine’s belt, which is crucial for the proper functioning of various engine components.

Compatibility with Specific Engine Models

  • 6C8.3: The Belt Tensioner Bracket 3926106 is engineered to fit the 6C8.3 engine, providing a secure mounting point for the belt tensioner. This ensures that the belt maintains the correct tension, which is vital for the efficient operation of the engine’s ancillary systems.

  • C GAS PLUS CM556 and C8.3 G: These engines also benefit from the use of the Belt Tensioner Bracket 3926106. The bracket’s design allows it to be easily integrated into the engine’s setup, providing a reliable method for adjusting and maintaining belt tension. This is particularly important in these models, where precise belt tension is necessary to prevent wear and ensure longevity of the engine components.

Grouping of Engines

The Belt Tensioner Bracket 3926106 is compatible with the following groups of engines:

  • 6C8.3: This engine model is part of a series known for its robust performance and reliability. The bracket’s design ensures that it fits perfectly with the 6C8.3, providing a stable and secure mounting point for the belt tensioner.

  • C GAS PLUS CM556 and C8.3 G: These engines, while distinct, share common design elements that make the Belt Tensioner Bracket 3926106 a suitable fit. The bracket’s versatility allows it to be used across these models, ensuring consistent performance and ease of maintenance.

By ensuring that the Belt Tensioner Bracket 3926106 is properly fitted, engine operators can maintain the integrity of their engine’s belt system, leading to improved performance and reduced downtime.

Conclusion

The Belt Tensioner Bracket 3926106 is an essential component in maintaining the proper function and efficiency of the engine’s accessory drive system. This bracket is designed to support the belt tensioner, which plays a significant role in ensuring that the drive belt remains at the correct tension.

In the context of the drive system, the Belt Tensioner Bracket secures the tensioner in place, allowing it to apply the necessary force to keep the belt snug against the pulleys. This is particularly important for the alternator, which relies on a consistent and adequate belt tension to operate efficiently.

When the drive belt is properly tensioned, it ensures that the alternator can spin at the correct speed, generating the electrical power needed to charge the battery and power the vehicle’s electrical systems. Inadequate tension can lead to slippage, reduced efficiency, and potential damage to both the belt and the alternator.

Additionally, the Belt Tensioner Bracket helps in absorbing vibrations and reducing noise within the engine compartment. By stabilizing the tensioner, it ensures smooth operation of the belt, which in turn contributes to the overall reliability and performance of the engine’s accessory drive system.

In summary, the integration of the Belt Tensioner Bracket with the drive system and alternator is vital for maintaining optimal belt tension, ensuring efficient power generation, and promoting a smooth and quiet engine operation.


  1. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

  2. Hilgers, M. (2023). The Diesel Engine Second Edition. Springer Nature.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
10.0 x 2.2 x 9.9 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.