3104448
Belt Tensioner Support
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 Support, identified by Part #3104448, is a component manufactured by Cummins, a renowned name in the automotive and heavy-duty truck industry. This part is integral to the operation of heavy-duty trucks, ensuring the efficient functioning of the engine’s belt-driven accessories 2.

Function and Operation

The Belt Tensioner Support operates within the truck’s engine system by maintaining the proper tension on the belts that drive various engine accessories, such as the alternator, water pump, and air conditioning compressor. It achieves this by automatically adjusting the tension as the belts wear or as engine conditions change, ensuring optimal performance and longevity of the belts and the accessories they drive 1.

Purpose of the Belt Tensioner Support

The Belt Tensioner Support plays a specific role in the operation of a truck by contributing to engine performance and reliability. By maintaining the correct tension on the belts, it ensures that the accessories driven by these belts operate efficiently. This contributes to the overall performance of the engine, as well as the reliability and durability of the truck’s components 2.

Key Features

The Belt Tensioner Support is characterized by several key features that enhance its functionality. These include a robust material construction designed to withstand the harsh conditions of heavy-duty truck engines, a precise design that ensures accurate belt tension, and unique attributes such as self-adjusting capabilities that adapt to changing conditions without manual intervention 1.

Benefits

The advantages provided by the Belt Tensioner Support are numerous. It contributes to improved engine efficiency by ensuring that the belts operate under the correct tension, reducing the wear on belts and accessories. This leads to enhanced durability of the engine components, lower maintenance costs, and increased reliability of the truck’s operation 2.

Installation Process

Installing the Belt Tensioner Support requires careful attention to detail. The process involves removing the old tensioner, if present, and positioning the new Belt Tensioner Support in its place. It is important to follow the manufacturer’s guidelines for torque specifications and alignment to ensure proper function. Additionally, verifying the tensioner’s operation after installation is crucial to confirm that it is functioning correctly 1.

Common Issues and Troubleshooting

Typical problems associated with the Belt Tensioner Support may include improper belt tension, noise from the tensioner area, or failure of the tensioner to adjust correctly. Troubleshooting these issues may involve checking the tensioner’s alignment, inspecting for wear or damage, and ensuring that all mounting points are secure. In some cases, replacing the tensioner may be necessary to resolve the issue 2.

Maintenance Tips

To ensure the optimal performance and longevity of the Belt Tensioner Support, regular maintenance practices are recommended. These include periodic inspections for signs of wear or damage, ensuring that the tensioner operates smoothly, and checking the belt tension regularly. Additionally, keeping the tensioner and surrounding areas clean can prevent debris from interfering with its operation 1.

Cummins Overview

Cummins is a well-established manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has built a reputation for excellence. The company’s dedication to advancing technology and improving the efficiency and reliability of its products underscores its position as a leader in the industry 2.

Role of Part 3104448 Belt Tensioner Support in Engine Systems

The Belt Tensioner Support, identified by part number 3104448, is integral to maintaining the optimal performance of various engine components through its interaction with the drive system and fan 1.

Interaction with the Drive System

In the drive system, the Belt Tensioner Support ensures that the drive belt remains properly tensioned. This is essential for the efficient transfer of power from the engine to other components such as the alternator, water pump, and power steering pump. Proper tensioning prevents slippage, which can lead to inefficient operation and increased wear on the belt and pulleys. The support allows for adjustments to be made easily, accommodating changes in belt wear over time and ensuring consistent performance 2.

Contribution to Fan Operation

The fan, which is often driven by the same belt system, relies on the Belt Tensioner Support to maintain the necessary tension for effective cooling. The fan must operate smoothly to dissipate heat from the engine, preventing overheating. The Belt Tensioner Support facilitates this by keeping the belt taut, ensuring that the fan operates at the correct speed under varying engine loads and temperatures. This support is particularly important in high-performance engines where cooling demands are greater 1.

Overall System Integration

By integrating seamlessly with both the drive system and the fan, the Belt Tensioner Support plays a significant role in the overall efficiency and reliability of the engine. It ensures that all belt-driven components receive the appropriate amount of power and operate within their designed parameters, contributing to the longevity and performance of the engine system 2.

Conclusion

In summary, the Belt Tensioner Support (Part #3104448) manufactured by Cummins is a critical component in the efficient operation of heavy-duty truck engines. Its role in maintaining proper belt tension ensures the reliable performance of engine accessories, contributing to overall engine efficiency, durability, and reliability. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.


  1. Reif, Konrad. Diesel Engine Management Systems and Components. Springer, 2014.

  2. Hilgers, Michael. The Drivers Cab. Springer Vieweg, 2022.

SPECIFICATIONS

Notes
Support,Belt Tensioner.
Package Dimensions
4.9 x 4.5 x 4.5 in
Weight
4.38 lb
* 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.