5627637
Tensioner Belt
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$114.95 $136.79

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 5627637 Belt Tensioner is a component designed to maintain the proper tension on drive belts within commercial truck engines. Its role is significant in ensuring the efficient operation of various engine-driven accessories, such as alternators, water pumps, and air conditioning compressors.

Basic Concepts of Belt Tensioners

A belt tensioner is a device used in an engine system to keep drive belts at the correct tension. It functions by applying consistent pressure to the belt, which helps in reducing slippage and wear. Maintaining proper belt tension is important for the efficient transfer of power from the engine to the driven accessories, ensuring they operate within their designed parameters 1.

Purpose of the Cummins 5627637 Belt Tensioner

This Cummins part plays a role in the operation of a truck by maintaining the correct tension on drive belts. This ensures that the belts do not slip or become overly tight, which could lead to premature wear or failure. Proper tensioning contributes to the reliable operation of engine-driven accessories, enhancing overall engine performance and longevity.

Key Features

The 5627637 is characterized by several design elements and materials that enhance its performance. It is constructed from durable materials to withstand the rigors of commercial truck operation. Unique characteristics may include a self-adjusting mechanism that maintains optimal belt tension under varying conditions, and a robust design that ensures longevity and reliability in demanding environments.

Benefits of Using the Cummins 5627637 Belt Tensioner

Using this part offers several advantages. It contributes to improved belt life by preventing excessive wear and slippage. Enhanced engine performance is another benefit, as properly tensioned belts ensure efficient power transfer to engine accessories. Additionally, reduced maintenance requirements are observed, as the tensioner’s design minimizes the need for frequent adjustments or replacements.

Installation Process

Installing this part involves several steps. It begins with ensuring the engine is cool and the belts are removed. The tensioner is then positioned in its designated location, secured according to the manufacturer’s instructions. Tools or equipment required may include a socket set and a belt tension gauge. Important considerations during installation include verifying the tensioner’s alignment and ensuring it operates freely without obstruction.

Troubleshooting Common Issues

Common problems associated with belt tensioners include noise from the tensioner pulley, belt slippage, and tensioner failure. Potential causes may range from improper installation to wear and tear. Recommended solutions or adjustments involve inspecting the tensioner for signs of damage, ensuring it is properly aligned, and replacing it if necessary to restore optimal belt tension and operation.

Maintenance Tips

Maintaining the 5627637 involves regular inspection practices. This includes checking for signs of wear or failure, such as cracks in the tensioner arm or excessive play in the pulley. Recommended service intervals may vary, but it is generally advised to inspect the tensioner during routine engine maintenance checks. Addressing issues promptly can prevent more significant problems and ensure the tensioner continues to operate effectively.

Compatibility and Applications

The 5627637 is designed for specific types of trucks and engine models. Its applications are tailored to meet the demands of commercial truck operations, ensuring compatibility with a range of engine configurations. Detailed information on compatibility and specific applications will be provided separately to ensure accurate installation and usage.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. Its product range includes engines, filtration systems, and related components, all designed to meet the rigorous demands of commercial and industrial applications.

Belt Tensioner 5627637 Compatibility with Cummins Engines

The Belt Tensioner part number 5627637, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for maintaining the proper tension of the engine’s serpentine belt, ensuring efficient power transmission and reducing wear on the belt and associated components.

L8.9 CM2670 L134C

The Belt Tensioner 5627637 is compatible with the L8.9 CM2670 L134C engine. This engine is known for its robust performance and reliability, often used in heavy-duty applications. The tensioner ensures that the belt maintains optimal tension, which is critical for the engine’s performance and longevity.

L9.3 L105

Similarly, the Belt Tensioner 5627637 fits the L9.3 L105 engine. This engine is another variant in Cummins’ lineup, designed for applications requiring a balance of power and efficiency. The tensioner’s role here is to keep the belt in place, preventing slippage and ensuring the auxiliary components like the alternator and water pump operate correctly.

QSL9.3 CM2880 L113

The Belt Tensioner 5627637 is also suitable for the QSL9.3 CM2880 L113 engine. This engine is part of Cummins’ QSL series, which is engineered for demanding conditions. The tensioner’s precise fit and function are essential in maintaining the belt’s integrity, ensuring the engine runs smoothly and efficiently.

By ensuring the belt tensioner is correctly installed, these engines can operate at peak efficiency, reducing the risk of belt failure and associated downtime. The Belt Tensioner 5627637 is a critical component in maintaining the operational integrity of these Cummins engines.

Conclusion

The Cummins 5627637 Belt Tensioner is an essential component for maintaining the proper tension on drive belts within commercial truck engines. Its role in ensuring the efficient operation of engine-driven accessories, such as alternators, water pumps, and air conditioning compressors, cannot be overstated. By maintaining optimal belt tension, this part contributes to improved belt life, enhanced engine performance, and reduced maintenance requirements. Proper installation, regular maintenance, and understanding its compatibility with specific Cummins engine models are key to maximizing the benefits of this critical component.


  1. Owen C Duffy and Gus Wright, Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems (Jones Bartlett Learning, 2016).

* 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.