3925209
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$114.95 $136.79

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 3925209, manufactured by Cummins, is a component designed to support the efficient operation of commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a range of parts that contribute to the reliability and performance of truck engines. This part is integral to maintaining the proper function of the engine’s belt system, ensuring that various engine components operate smoothly and efficiently.

Basic Concepts of Belt Tensioner Brackets

A Belt Tensioner Bracket is a part of the engine system that holds the belt tensioner in place. Its primary function is to maintain the correct tension on the engine’s belts, which drive components such as the alternator, water pump, and air conditioning compressor. Proper tension ensures that these components receive the necessary power to function correctly, preventing slippage and excessive wear. The tensioner bracket operates by providing a stable mounting point for the tensioner, allowing it to adjust the belt tension automatically as the engine operates 1.

Purpose of the 3925209 Belt Tensioner Bracket

This Cummins part plays a role in the operation of a truck by securing the belt tensioner in the engine system. This bracket ensures that the tensioner can move freely to maintain optimal belt tension under varying engine conditions. By interacting with other engine components, it contributes to the overall performance and reliability of the engine. Proper belt tension is essential for the efficient transfer of power to driven components, which in turn supports the truck’s performance and durability 2.

Key Features

The 3925209 is constructed from high-quality materials, ensuring durability and resistance to the harsh conditions found in commercial truck engines. Its design includes precise mounting points and alignment features to ensure accurate installation and operation. Additionally, the bracket may incorporate features such as corrosion-resistant coatings or enhanced strength elements to further improve its functionality and longevity in demanding environments.

Benefits

The 3925209 offers several benefits, including improved engine efficiency through consistent belt tension, reduced wear on belts due to proper tension maintenance, and enhanced durability of the tensioner system. These factors contribute to the overall reliability and performance of the truck’s engine, leading to potentially lower maintenance costs and increased uptime.

Installation Process

Installing the 3925209 requires careful attention to ensure proper fitting and function. The process involves securing the bracket to the engine block using the provided fasteners, ensuring that it is aligned correctly with the tensioner and belt path. Tools such as a torque wrench may be necessary to tighten fasteners to the manufacturer’s specifications. It is important to follow the installation instructions provided by Cummins to ensure the bracket is installed correctly.

Troubleshooting Common Issues

Common problems associated with Belt Tensioner Brackets include noise, vibration, or belt slippage. These issues can often be traced back to improper installation, wear on the bracket or tensioner, or incorrect belt tension. Troubleshooting steps may involve inspecting the bracket and tensioner for signs of wear, ensuring the bracket is securely mounted, and adjusting the belt tension as necessary to resolve these issues.

Maintenance Tips

Regular maintenance of the 3925209 is important to ensure its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, ensuring that the bracket remains securely mounted, and checking the condition of the belt and tensioner. Following the manufacturer’s recommended maintenance intervals and addressing any issues promptly can help prevent more serious problems and ensure the efficient operation of the engine.

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 spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance engines and components. The company’s product range includes a variety of parts and systems designed to enhance the efficiency, reliability, and performance of commercial vehicles.

Belt Tensioner Bracket 3925209 Compatibility with Cummins Engines

The Belt Tensioner Bracket 3925209, manufactured by Cummins, is a critical component in maintaining the integrity of the engine’s belt system. This part is designed to ensure that the engine belts are properly tensioned, which is essential for the efficient operation of various engine accessories such as the alternator, water pump, and air conditioning compressor.

Compatibility with Specific Cummins Engines

  • 6C8.3 Engine Series: The Belt Tensioner Bracket 3925209 is specifically engineered to fit within the 6C8.3 engine series. This engine series is known for its robust design and reliability, often used in heavy-duty applications such as construction equipment and agricultural machinery. The bracket’s precise fit ensures that it can withstand the high torque and stress levels typical of these demanding environments.

  • Other Cummins Engines: While the primary focus is on the 6C8.3 engine series, the Belt Tensioner Bracket 3925209 may also be compatible with other Cummins engines that share similar design parameters and belt routing systems. Cummins engines are known for their modular design, which often allows for cross-compatibility of certain parts across different engine models.

Importance of Proper Fitment

The correct fitment of the Belt Tensioner Bracket 3925209 is crucial for maintaining the performance and longevity of the engine. An improperly fitted bracket can lead to belt slippage, which can result in reduced efficiency of the engine accessories and potential engine damage. Ensuring that the bracket is correctly aligned and securely fastened is essential for optimal engine operation.

Installation Considerations

When installing the Belt Tensioner Bracket 3925209, it is important to follow the manufacturer’s guidelines and specifications. This includes using the correct torque settings and ensuring that all mounting surfaces are clean and free of debris. Proper installation will help to prevent premature wear and ensure that the bracket performs its function effectively over the life of the engine.

Role of Part 3925209 Belt Tensioner Bracket in Engine Systems

The 3925209 is an essential component in maintaining the proper function of the engine’s accessory drive system. This bracket is designed to securely mount the belt tensioner, which is responsible for keeping the correct tension on the serpentine belt.

When installed, the Belt Tensioner Bracket ensures that the serpentine belt remains properly aligned and tensioned as it drives various engine accessories. These accessories include the alternator, which is vital for charging the battery and powering the electrical systems of the vehicle.

The alternator is typically located on the front of the engine, driven by the serpentine belt. The Belt Tensioner Bracket plays a significant role in this setup by providing a stable mounting point for the tensioner. This, in turn, ensures that the belt maintains consistent contact with the alternator pulley, allowing for efficient power transfer.

Additionally, the Belt Tensioner Bracket helps in reducing wear and tear on the belt by preventing it from slipping or becoming too loose. This consistent tension is important for the reliable operation of the alternator and other driven components, ensuring that they function smoothly and efficiently.

Conclusion

In summary, the 3925209 is a key element in the engine’s accessory drive system, contributing to the reliable and efficient operation of components such as the alternator. Proper installation, maintenance, and understanding of its role in the engine system are crucial for ensuring the longevity and performance of the engine.


  1. Reif, Konrad Ed. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  2. Goodnight, Nicholas, and Kirk VanGelder. Automotive Braking Systems CDX Master Automotive Technician Series. Jones Bartlett Learning, 2019.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.0 x 4.0 x 0.25 in
Weight
1.7 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.