3284401
Tensioner Belt Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$359.95 $428.34

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 Tensioner Belt Bracket, identified by Part #3284401, is a component manufactured by Cummins, a well-established name in the automotive industry. This bracket is integral to the operation of heavy-duty trucks, ensuring the efficient functioning of the engine’s belt system. Cummins, known for its robust and reliable parts, provides this bracket as part of its extensive range of engine components designed to enhance the performance and longevity of heavy-duty vehicles.

Function and Operation

The Tensioner Belt Bracket operates within the truck’s engine system by maintaining the appropriate tension on the belts that drive various engine accessories, such as the alternator, water pump, and air conditioning compressor. Proper belt tension is essential for the efficient transfer of power from the engine to these accessories. The bracket achieves this by automatically adjusting the tension as the engine operates under varying loads and conditions, ensuring optimal performance and reducing the risk of belt slippage or breakage 1.

Key Features

The design of the Tensioner Belt Bracket by Cummins incorporates several features that enhance its performance and durability. Constructed from high-strength materials, the bracket is engineered to withstand the rigors of heavy-duty truck operation. Its design allows for smooth and precise adjustment of belt tension, minimizing wear on both the belt and the bracket itself. Additionally, the bracket is designed to integrate seamlessly with Cummins engines, ensuring compatibility and ease of installation.

Benefits

The use of the Tensioner Belt Bracket offers several advantages. By maintaining proper belt tension, it contributes to improved engine efficiency, as accessories receive consistent power transmission. This results in reduced wear on the belts, extending their service life and reducing the frequency of replacements. Furthermore, the bracket enhances the overall reliability of the truck’s engine system, contributing to smoother operation and potentially reducing downtime due to belt-related issues 2.

Installation and Compatibility

For optimal performance, the Tensioner Belt Bracket should be installed according to the manufacturer’s guidelines. This includes ensuring the bracket is correctly aligned and securely fastened to prevent any movement that could affect belt tension. It is also important to verify compatibility with the specific engine model to ensure proper fit and function. Following these guidelines will help maintain the integrity of the engine’s belt system and ensure the bracket operates as intended.

Maintenance and Troubleshooting

Routine maintenance of the Tensioner Belt Bracket involves regular inspection for signs of wear or damage, such as cracks or excessive play in the tensioner mechanism. It is also important to check the condition of the belts it supports, looking for signs of wear, glazing, or fraying. Should issues arise with belt tension or bracket performance, troubleshooting steps may include adjusting the tensioner, replacing worn belts, or, in cases of significant damage, replacing the bracket itself. Regular maintenance and prompt attention to any issues can help prevent more serious problems down the line 3.

Cummins 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 reputation for quality, reliability, and customer satisfaction. The company’s product offerings extend beyond engines to include emission solutions, aftermarket parts, and services, making it a comprehensive provider in the automotive and heavy-duty truck industries. Cummins’ commitment to innovation and excellence is reflected in its wide range of products, including the Tensioner Belt Bracket, designed to meet the demanding requirements of heavy-duty applications.

Role of Part 3284401 Tensioner Belt Bracket in Engine Systems

The 3284401 Tensioner Belt Bracket is an integral component in maintaining the proper tension of the drive belts within engine systems. This bracket is strategically positioned to interact with both the alternator and the refrigerant compressor, ensuring efficient operation of these components.

Interaction with Alternator Mounting

When integrated with the alternator mounting system, the 3284401 Tensioner Belt Bracket plays a significant role in maintaining the correct tension on the belt that drives the alternator. Proper tension is essential for the alternator to generate electricity efficiently, which is vital for powering the vehicle’s electrical systems and recharging the battery. The bracket allows for adjustable tension, accommodating variations in belt wear and thermal expansion, thus ensuring consistent performance.

Integration with Refrigerant Compressor Mounting

In systems where the refrigerant compressor is belt-driven, the 3284401 Tensioner Belt Bracket is equally important. It ensures that the belt driving the compressor maintains optimal tension. This is necessary for the compressor to operate effectively, providing the necessary refrigerant flow for the air conditioning system. The bracket’s design permits fine-tuning of the belt tension, which is crucial for the compressor’s efficiency and longevity.

Overall Functionality

The 3284401 Tensioner Belt Bracket facilitates smooth and reliable operation of both the alternator and the refrigerant compressor by keeping the drive belts properly tensioned. This not only enhances the performance of these components but also contributes to the overall efficiency and reliability of the engine system.

Conclusion

The 3284401 Tensioner Belt Bracket is a critical component in the maintenance and operation of heavy-duty truck engines. Its role in ensuring proper belt tension is vital for the efficient and reliable operation of engine accessories. By understanding its function, benefits, and maintenance requirements, vehicle owners and technicians can ensure the longevity and performance of their engines.


  1. Ferrari, A., & Pizzo, P. (2022). Injection Technologies: Mixture Formation Strategies. SAE International.

  2. ElSayed, M. (2017). Fundamentals of Integrated Vehicle Realization. SAE International.

  3. Harrison, M. (2004). Controlling Noise and Vibration in Road Vehicles. SAE International.

* 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.