5308959
Idler Pulley
Cummins®

Name: 5308959 Cummins | Idler Pulley
Brand: Cummins
SKU: 5308959
Price: 28.95 USD
Availability: InStock
Rating: 5 (1 reviews)

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Ships within 1-3 business days

$28.95 $34.45

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Genuine OEM Part

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.

Manufacturer Warranty*

We honor the warranty provided by the original equipment manufacturer.

DESCRIPTION

Introduction

The Cummins 5308959 Idler Pulley is a critical component in commercial trucks, designed to enhance the efficiency and reliability of the engine’s accessory drive system. Understanding its function and importance is essential for maintaining the truck’s performance.

Basic Concepts of Idler Pulleys

An idler pulley is integral to belt drive systems, ensuring proper belt tension and alignment without directly driving any component ¹. This setup is crucial for efficient power transmission and minimizing wear on the belt and driven components, preventing slippage and ensuring smooth operation ².

Purpose of the Cummins 5308959 Idler Pulley

This Cummins part is engineered to maintain the correct tension and alignment of the belt driving accessories like the alternator, water pump, and air conditioning compressor ³. Its role is vital for the efficient and reliable operation of these components, contributing to the engine’s overall performance.

Key Features

Constructed from high-quality materials, the 5308959 Idler Pulley features precision-machined bearings for smooth operation and a robust housing to protect internal components from contaminants and wear ⁴. These attributes enhance its durability and performance in demanding applications.

Benefits

Using this part offers advantages such as improved belt life through optimal tension and alignment, reduced maintenance requirements, and enhanced efficiency of the accessory drive system, leading to better overall system performance ⁵.

Installation Considerations

Proper installation is crucial for the effective operation of the 5308959 Idler Pulley. Following torque specifications, performing alignment checks, and preparatory steps like cleaning the installation area and inspecting the belt are recommended to ensure optimal performance ⁶.

Troubleshooting Common Issues

Common issues with idler pulleys, such as noise, vibration, or belt slippage, can often be traced back to improper installation, wear and tear, or contamination. Diagnostic steps should include checking alignment, inspecting the belt, and ensuring the pulley bearings are functioning smoothly to prevent more significant problems ⁷.

Maintenance Tips

Routine maintenance is essential for the longevity and optimal performance of the 5308959 Idler Pulley. Regular inspections, following lubrication guidelines, and adhering to replacement criteria based on the pulley’s condition and manufacturer’s recommendations are key to maintaining system efficiency ⁸.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With a century-long history, Cummins has a strong reputation in the commercial truck industry for producing reliable and high-performance components ⁹.

Compatibility with Cummins Engines

The 5308959 Idler Pulley is compatible with several Cummins engine models, including QSF2.8 CM2880 F104, QSF2.8 CM2880 F105, QSF2.8 CM2880 F108, and QSF2.8 CM2880 F114. Its design ensures it can handle the specific load and operational demands of these engines, providing reliable performance and longevity ¹⁰.

Role in Engine Systems

This part is integral to maintaining the efficiency and reliability of various engine systems. It supports the drive belt system, ensuring smooth operation and proper tension across multiple components, and contributes to the efficient operation of the water pump in the engine’s cooling system ¹¹.

Conclusion

The Cummins 5308959 Idler Pulley plays a significant role in the efficient and reliable operation of commercial truck engines. Its proper installation, maintenance, and understanding of its function are crucial for the overall performance and longevity of the engine’s accessory drive system.

Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.
↩
Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.
↩
ElSayed, M. (2017). Fundamentals of Integrated Vehicle Realization. SAE International.
↩
Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.
↩
Wright, G. (2015).
↩
Bonnick, A., & Newbold, D. (2011).
↩
ElSayed, M. (2017).
↩
Lakshminarayanan, P. A., & Agarwal, A. K. (2019).
↩
Cummins Inc. Company Overview.
↩
Cummins Inc. Product Compatibility Guide.
↩
Wright, G. (2015).
↩

SPECIFICATIONS

Package Dimensions

7.0 x 7.0 x 7.0 in

Weight

0.7 lb

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* 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.

5308959 Idler Pulley Cummins®