5365534
Belt Tensioner
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$109.95 $130.84

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 5365534 Belt Tensioner is a component designed to maintain the proper tension of belts within the engine system of commercial trucks. Its role is significant in ensuring the efficient operation of various engine components that rely on belt-driven systems.

Basic Concepts of Belt Tensioners

A belt tensioner is a device used in an engine system to keep belts at the correct tension. It functions by applying consistent pressure to the belt, which helps in reducing slippage and ensuring that components such as the alternator, water pump, and air conditioning compressor operate effectively. Maintaining proper belt tension is important for the longevity and performance of both the belt and the driven components 1.

Purpose of the Cummins 5365534 Belt Tensioner

This Cummins part plays a role in the operation of a truck by maintaining optimal belt tension for various engine components. It ensures that belts remain taut, which is necessary for the efficient transfer of power and the smooth operation of auxiliary systems. Proper tensioning helps in minimizing belt wear and reducing the risk of belt failure 2.

Key Features

This part is constructed with durable materials to withstand the rigors of commercial truck operation. Its design includes a mechanism that automatically adjusts to maintain the correct tension as the belt wears. Unique attributes such as corrosion-resistant coatings and precision-machined components enhance its performance and reliability.

Benefits of Using the Cummins 5365534 Belt Tensioner

The Cummins 5365534 Belt Tensioner offers several advantages. It contributes to improved engine efficiency by ensuring that belts operate within their optimal tension range. This results in reduced wear on belts and components, leading to longer service intervals and lower maintenance costs. Additionally, the tensioner enhances the reliability of the engine system by preventing belt-related failures 3.

Installation Process

Installing this part requires following a step-by-step process to ensure correct fitment. The procedure involves using specific tools to release the tensioner, routing the belt according to the manufacturer’s specifications, and securing the tensioner in place. It is important to consult the service manual for the exact steps and any special considerations during installation.

Maintenance and Troubleshooting

Regular maintenance of this part includes inspecting the belt for signs of wear, checking the tensioner for proper operation, and ensuring that all components are free from debris. If issues arise, such as unusual noises or belt slippage, troubleshooting steps may involve adjusting the tensioner, replacing worn belts, or addressing any mechanical faults within the system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a strong reputation in the commercial truck industry, Cummins offers a wide range of products designed to meet the demanding requirements of heavy-duty applications. The company’s commitment to quality and performance is reflected in its extensive product line, which includes components like the Cummins 5365534 Belt Tensioner.

Belt Tensioner 5365534 Compatibility with Cummins Engines

The Belt Tensioner part number 5365534, manufactured by Cummins, is designed to be compatible with a range of engines, including the F2.8 CM2620 F135B, ISF2.8 CM2220 F117, and ISF2.8 CM2220 F129. This part is integral to maintaining the proper tension of the engine’s drive belts, ensuring optimal performance and longevity of the belt system.

For the F2.8 CM2620 F135B engine, the Belt Tensioner 5365534 is engineered to fit seamlessly, providing the necessary tension to prevent belt slippage and maintain the efficiency of the engine’s ancillary systems. This engine is known for its robust design and reliability, and the tensioner part complements its performance characteristics.

Similarly, the ISF2.8 CM2220 F117 and ISF2.8 CM2220 F129 engines benefit from the precise fit and function of the Belt Tensioner 5365534. These engines, part of the ISF series, are recognized for their durability and efficiency. The tensioner part ensures that the belts operate at the correct tension, which is crucial for the proper functioning of the engine’s components, such as the alternator, water pump, and air conditioning compressor.

In summary, the Belt Tensioner 5365534 is a critical component that ensures the drive belts in these Cummins engines operate efficiently, maintaining the overall health and performance of the engine systems.

Conclusion

The Cummins 5365534 Belt Tensioner is an essential component in maintaining the proper function of various engine systems. It works in conjunction with the serpentine belt, ensuring that the belt remains taut and properly aligned. This tension is vital for the efficient transfer of power from the engine to components such as the alternator, power steering pump, water pump, and air conditioning compressor.

When the engine is running, the serpentine belt rotates around these components, driving them to perform their respective functions. The Belt Tensioner automatically adjusts the tension on the belt, compensating for wear and tear, temperature changes, and other factors that could cause the belt to become loose or overly tight. This adjustment helps prevent belt slippage, which can lead to inefficient operation of the driven components and potential damage to the belt itself.

In addition to maintaining tension, the Belt Tensioner also reduces noise and vibration that can occur when the belt is not properly aligned. This contributes to a smoother operation of the engine and its ancillary systems. Furthermore, by ensuring consistent tension, the Belt Tensioner helps extend the lifespan of the serpentine belt and the components it drives, leading to more reliable engine performance over time.


  1. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  2. Hillier, Alma. Fundamentals of Motor Vehicle Technology Book 1 6th Edition. Oxford University Press, 2014.

  3. Sully, F. K. Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing, 1998.

SPECIFICATIONS

Package Dimensions
11.0 x 10.0 x 21.0 in
Weight
1.14 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.