3098986
Belt Tensioner
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$279.95 $333.14

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 Cummins 3098986 Belt Tension Adjuster is a component designed to maintain the proper tension of belts within the engine system of commercial trucks. Its role is significant as it ensures that the belts operate efficiently, which is vital for the overall performance and longevity of the truck’s engine 4.

Basic Concepts of Belt Tension Adjusters

A Belt Tension Adjuster is a device that maintains the correct tension on the belts that drive various components within a truck’s engine system, such as the alternator, water pump, and air conditioning compressor. Proper belt tension is important to ensure that these components function correctly, reducing the risk of belt slippage, which can lead to inefficient operation and increased wear on both the belts and the components they drive 3.

Purpose of the Cummins 3098986 Belt Tension Adjuster

The Cummins 3098986 Belt Tension Adjuster is designed to maintain optimal belt tension across various engine components. By ensuring that the belts are neither too tight nor too loose, it helps in the efficient transfer of power from the engine to the driven components, which contributes to the smooth operation of the truck 1.

Key Features

The Cummins 3098986 Belt Tension Adjuster is characterized by its robust design and the use of high-quality materials. It features an adjustable mechanism that allows for precise tension control, and it is built to withstand the demanding conditions typical of commercial truck operations. The adjuster is also designed for ease of installation and maintenance, which enhances its practicality in a commercial setting 2.

Benefits of Using the Cummins 3098986 Belt Tension Adjuster

Utilizing the Cummins 3098986 Belt Tension Adjuster can lead to improved engine efficiency, as it ensures that belts are operating at the correct tension. This can result in reduced wear on both the belts and the components they drive, leading to longer service intervals and lower maintenance costs. Additionally, proper belt tension contributes to the overall performance of the truck, ensuring that engine components operate as intended 4.

Installation Process

Installing the Cummins 3098986 Belt Tension Adjuster involves several steps. It is important to use the correct tools and follow the manufacturer’s instructions to ensure proper installation. The process typically includes removing the old adjuster, if present, and securing the new adjuster in its place, followed by adjusting the tension to the manufacturer’s specifications 1.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3098986 Belt Tension Adjuster, regular inspections are recommended. This includes checking the tension of the belts and the condition of the adjuster itself. Any signs of wear or damage should be addressed promptly to prevent potential issues with the engine’s operation 2.

Troubleshooting Common Issues

Common issues with the Cummins 3098986 Belt Tension Adjuster may include improper belt tension or damage to the adjuster. Troubleshooting steps may involve re-adjusting the tension or, in the case of damage, replacing the adjuster. It is important to diagnose the issue accurately to ensure the correct solution is applied 3.

Compatibility and Applications

The Cummins 3098986 Belt Tension Adjuster is designed for use with specific truck models and engine types. Its suitability for different operating conditions is determined by its robust construction and the precision of its tension adjustment mechanism 4.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry, Cummins is committed to quality and innovation, providing reliable components for a wide range of applications, including commercial trucks.

Belt Tension Adjuster Part 3098986 in Cummins Engines

The Belt Tension Adjuster part number 3098986, manufactured by Cummins, is a critical component in maintaining the operational efficiency of various Cummins engine models. This part is designed to ensure that the engine’s belts are properly tensioned, which is essential for the smooth operation of the engine’s ancillary systems, such as the alternator, water pump, and air conditioning compressor.

N14 Celect Plus

In the N14 Celect Plus engine, the Belt Tension Adjuster part 3098986 plays a pivotal role in maintaining the correct tension on the engine’s serpentine belt. This engine is known for its robust design and is commonly used in heavy-duty applications, including trucks and construction equipment. The proper tensioning of the belt is crucial to prevent slippage, which can lead to reduced efficiency and potential damage to the engine components 1.

Grouping of Engines

The Belt Tension Adjuster part 3098986 is compatible with a range of Cummins engines, including but not limited to the N14 Celect Plus. This part is engineered to fit seamlessly into the engine’s design, ensuring that it can effectively manage the tension of the serpentine belt across different engine configurations. The compatibility of this part with various engine models underscores its versatility and importance in maintaining engine performance 4.

By ensuring that the belts are properly tensioned, the Belt Tension Adjuster part 3098986 helps to maintain the integrity of the engine’s ancillary systems, thereby contributing to the overall reliability and longevity of the engine.

Role of Part 3098986 Belt Tension Adjuster in Engine Systems

In the orchestration of engine components, the 3098986 Belt Tension Adjuster assumes a significant role by ensuring optimal performance and longevity of the drive belt system. This component is integral in maintaining the correct tension on the drive belt, which is essential for the efficient transfer of power from the engine to various peripherals 3.

Interaction with the Drive System

The drive belt is a looped band that transfers rotational force from the engine’s crankshaft to other engine components. The 3098986 Belt Tension Adjuster works in tandem with the drive system to keep the belt taut. Proper tension is vital to prevent slippage, which can lead to inefficient power transmission and increased wear on the belt. The adjuster allows for minor adjustments to accommodate thermal expansion or wear, ensuring consistent belt tension under varying operating conditions 2.

Coordination with the Fan

The engine-cooling fan is often driven by the same belt that powers other accessories. The fan’s operation is dependent on the smooth and consistent rotation imparted by the drive belt. The 3098986 Belt Tension Adjuster plays a part in this by maintaining the necessary tension on the belt as it wraps around the fan pulley. This ensures that the fan operates at peak efficiency, contributing to the effective management of engine temperature 3.

Conclusion

In summary, the 3098986 Belt Tension Adjuster is a component that facilitates the seamless interaction between the drive belt and connected systems such as the fan, thereby supporting the overall functionality and reliability of the engine. Its role in maintaining proper belt tension is crucial for the efficient operation of the engine’s ancillary systems and the longevity of the engine itself 4.


  1. The Diesel Engine Second Edition, Michael Hilgers, Springer Nature, 2023

  2. Energy Efficiency of Vehicles, Douglas R Carroll, SAE International, 2020

  3. Tyre and Vehicle Dynamics, Hans B. Pacejka, Butterworth-Heinemann, 2006

  4. Heavy Duty Truck Systems Fifth Edition, Sean Bennett, Ian Andrew Norman, Delmar Cengage Learning, 2011

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.13 x 4.13 x 8.25 in
Weight
4.42 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.