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5271282
Belt Tensioner
Cummins®

IN STOCK

Cummins®

4 are currently available

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$78.95 $93.95
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*
DESCRIPTION

Introduction

The Belt Tensioner 5271282 by Cummins is a critical component for commercial trucks, designed to maintain optimal tension on the belts driving various engine accessories. Proper belt tension is essential for the efficient operation of accessories such as the alternator and air conditioning compressor 1.

Basic Concepts of Belt Tensioners

A belt tensioner is a device that ensures belts remain at the proper tension by applying consistent pressure through a spring-loaded arm with a pulley. This mechanism is vital for the efficient transfer of power from the engine to driven components and for the longevity of the belts 2.

Role of the 5271282 Belt Tensioner in Truck Operation

This Cummins part ensures that the belts driving engine accessories are kept at optimal tension, facilitating the smooth operation of components like the alternator and air conditioning compressor. Maintaining correct belt tension is crucial for the consistent performance of these accessories and the overall functionality of the truck 3.

Key Features

The 5271282 Belt Tensioner is designed with high-quality materials resistant to wear and corrosion, ensuring durability in demanding environments. It provides consistent belt tension under varying conditions, contributing to the reliable operation of the truck’s accessory systems. Its design also allows for easy installation and maintenance 4.

Benefits

Using the 5271282 Belt Tensioner improves engine efficiency by ensuring belts are under the correct tension, reducing engine load and extending belt service life. It enhances the reliability of the truck’s accessory systems, ensuring they operate efficiently and consistently 1.

Troubleshooting and Maintenance

Common issues with the 5271282 Belt Tensioner include signs of wear or failure, such as noise, visible wear on the tensioner arm or pulley, or loose or glazed belts. Regular inspection and maintenance are recommended to ensure optimal performance and longevity. This includes checking for wear, ensuring free movement, and verifying proper belt tension 2.

About Cummins

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With over a century of history, Cummins has a strong reputation in the commercial truck industry for producing reliable and high-performance components. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles 3.

Compatibility with Cummins Engines

The Belt Tensioner part 5271282 is designed to fit a variety of Cummins engines, ensuring efficient operation and longevity of engine components.

Compatibility with Specific Engine Models

F2.8 CM2620 F135B, ISF2.8 CM2220 F117, ISF2.8 CM2220 F129

  • F2.8 CM2620 F135B
  • ISF2.8 CM2220 F117
  • ISF2.8 CM2220 F129

QSF2.8 CM2880 F104, QSF2.8 CM2880 F105, QSF2.8 CM2880 F108, QSF2.8 CM2880 F114

  • QSF2.8 CM2880 F104
  • QSF2.8 CM2880 F105
  • QSF2.8 CM2880 F108
  • QSF2.8 CM2880 F114

These engines benefit from the precise tensioning provided by the 5271282, ensuring belts operate within the optimal tension range 4.

Conclusion

The 5271282 Belt Tensioner is essential for maintaining the efficiency and reliability of various engine systems. Its role in ensuring proper belt tension is crucial for the seamless operation of interconnected components, including the water pump and tensioner mechanism. Regular maintenance and inspection of this part are vital to prevent issues that could lead to more significant engine problems.

  1. Calder, Nigel. Diesel Engine Care and Repair. The McGraw-Hill Companies, 2007.

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  2. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

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  3. Berns, Karsten, et al. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer, 2018.

    ↩ ↩

  4. Reif, Konrad, ed. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

    ↩ ↩

SPECIFICATIONS

Package Dimensions
15.6 x 12.1 x 9.5 in
Weight
1.92 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.

Frequently Asked Questions

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FAQ PAGE

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