3925191
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$46.95 $55.87

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 Belt Tensioner Bracket 3925191 is a component designed by Cummins for use in commercial trucks. This bracket plays a role in the operation of these vehicles by ensuring that the belts within the engine system maintain the correct tension. Proper belt tension is vital for the efficient transfer of power and the smooth operation of various engine components 1.

Basic Concepts

Belt tensioner brackets are integral to the engine system, functioning to keep belts at the optimal tension required for their operation. These brackets work by applying consistent pressure to the belts, which helps in reducing slippage and wear. Maintaining proper belt tension ensures that components such as the alternator, water pump, and air conditioning compressor operate efficiently 2.

Purpose and Function

The Belt Tensioner Bracket 3925191 is specifically engineered to support and maintain the correct tension of the belts in a truck’s engine. It interacts with other engine components by providing a stable mounting point for the tensioner pulley. This interaction ensures that the belts remain taut, which is necessary for the effective operation of the engine’s auxiliary systems 3.

Key Features

This Cummins part is constructed from high-quality materials that offer durability and resistance to the harsh conditions found in commercial truck environments. Its design includes precise mounting points and alignment features that ensure accurate installation and optimal performance. Additionally, the bracket may incorporate unique attributes such as corrosion-resistant coatings or enhanced structural rigidity to improve its longevity and functionality.

Benefits

Utilizing the Belt Tensioner Bracket 3925191 offers several advantages. It contributes to improved engine efficiency by ensuring that belts operate within their designed parameters. This reduces wear on the belts and other connected components, leading to enhanced reliability of the truck’s engine system. Moreover, proper belt tension can lead to better fuel efficiency and overall performance of the vehicle.

Installation and Compatibility

Proper installation of the Belt Tensioner Bracket 3925191 is crucial for its effective function. Installation procedures should follow manufacturer guidelines to ensure that the bracket is securely mounted and aligned correctly. Compatibility with various truck models should be verified to ensure that the bracket fits and functions as intended within the specific engine system.

Troubleshooting and Maintenance

Common issues with belt tensioner brackets can include misalignment, wear, or failure of the tensioner mechanism. Regular inspection and maintenance are recommended to identify potential problems early. Diagnostic procedures may involve checking belt tension, inspecting the bracket for signs of wear or damage, and ensuring that all mounting points are secure. Proper maintenance practices help in ensuring the optimal performance and longevity of the bracket and the belts it supports.

Performance Impact

The Belt Tensioner Bracket 3925191 plays a role in the overall performance of the truck’s engine by maintaining proper belt tension. This ensures that auxiliary systems receive consistent power, which can influence fuel efficiency, power output, and the reliability of the engine. Effective belt tensioning contributes to the smooth and efficient operation of the engine, enhancing the truck’s performance capabilities.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its high-quality engine components and systems. With a rich history of innovation and a comprehensive product range, Cummins has established a strong reputation for reliability and performance. The Belt Tensioner Bracket 3925191 is a testament to Cummins’ commitment to quality and durability in the components it produces for commercial trucks.

Compatibility with Cummins Engines

The Belt Tensioner Bracket part number 3925191, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This bracket plays a role in maintaining the proper tension of the engine’s belt, ensuring efficient operation and longevity of the belt and associated components.

Compatibility with Specific Engines

6C8.3 and C8.3 G Engines:

The 3925191 Belt Tensioner Bracket is specifically engineered to fit the 6C8.3 and C8.3 G engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The bracket’s design ensures it can handle the operational stresses and demands of these engines, providing a stable and secure mounting point for the belt tensioner.

C GAS PLUS CM556 Engine:

Similarly, the 3925191 Belt Tensioner Bracket is also compatible with the C GAS PLUS CM556 engine. This engine is designed for efficient gas operation, making it a popular choice for various applications. The bracket’s precise fit and robust construction ensure it can maintain the necessary belt tension, contributing to the engine’s overall efficiency and performance.

Grouping of Compatible Engines

When considering the compatibility of the 3925191 Belt Tensioner Bracket, it is useful to group the engines based on their operational characteristics and common usage scenarios. The 6C8.3 and C8.3 G engines, both known for their heavy-duty capabilities, share similar mounting and operational requirements. The C GAS PLUS CM556 engine, while designed for gas operation, also benefits from the bracket’s ability to maintain optimal belt tension, ensuring smooth and efficient engine performance.

By understanding the specific needs of these engines and the role of the belt tensioner bracket, users can ensure that their engines operate at peak efficiency, with minimal maintenance and downtime.

Role of Part 3925191 Belt Tensioner Bracket in Engine Systems

The Belt Tensioner Bracket, identified by part number 3925191, is an integral component in maintaining the efficiency and reliability of engine systems. This bracket is designed to work in conjunction with the drive belt and alternator, ensuring optimal performance of these components.

Interaction with the Drive Belt

The drive belt is responsible for transferring power from the engine to various auxiliary components, such as the alternator, water pump, and air conditioning compressor. The Belt Tensioner Bracket plays a significant role in this system by providing the necessary tension to the drive belt. Proper tension is essential to prevent slippage, which can lead to inefficient power transfer and potential damage to the belt or connected components. The bracket achieves this by applying consistent pressure to the belt, ensuring it remains taut during operation.

Support for the Alternator

The alternator is a key component in the engine system, responsible for generating electrical power to charge the battery and power the vehicle’s electrical systems. The Belt Tensioner Bracket supports the alternator by maintaining the correct alignment and tension of the drive belt. This ensures that the alternator receives a steady supply of power from the engine, allowing it to function efficiently. Without proper tension, the alternator may not operate at its full capacity, leading to potential electrical issues within the vehicle.

Overall System Efficiency

By ensuring the drive belt remains properly tensioned and aligned, the Belt Tensioner Bracket contributes to the overall efficiency of the engine system. This not only enhances the performance of the alternator but also supports the reliable operation of other belt-driven components. The consistent tension provided by the bracket helps to reduce wear and tear on the drive belt, extending its lifespan and minimizing the risk of unexpected failures.

Conclusion

In summary, the Belt Tensioner Bracket (part 3925191) is a vital component in the engine system, playing a significant role in the efficient operation of the drive belt and alternator. Its proper function ensures that these components work harmoniously, contributing to the reliable and efficient performance of the vehicle’s engine.


  1. Reif, Konrad. Automotive Mechatronics. Springer Vieweg, 2015.

  2. Huzij, Robert, Angelo Spano, and Sean Bennett. Modern Diesel Technology Heavy Equipment Systems. Delmar Cengage Learning, 2014.

  3. Asef, Pedram, Sanjeevikumar Padmanaban, and Andrew Lapthorn. Modern Automotive Electrical Systems. Wiley, 2022.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.75 x 3.0 x 1.63 in
Weight
1.29 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.