4980586
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$619.95 $737.74

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 Belt Tensioner Bracket 4980586, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems that contribute to the efficiency and reliability of heavy-duty trucks. This Cummins part is part of this lineup, playing a significant role in the maintenance and operation of truck engines.

Basic Concepts of Belt Tensioner Brackets

A Belt Tensioner Bracket is a component found in automotive systems that supports the tensioner mechanism responsible for maintaining the correct tension on drive belts. These belts are crucial for the operation of various engine accessories, such as the alternator, water pump, and air conditioning compressor. The tensioner bracket ensures that the belt remains properly aligned and tensioned, which is vital for the efficient transfer of power and the smooth operation of these accessories 1.

Purpose of the 4980586 Belt Tensioner Bracket

The 4980586 Belt Tensioner Bracket is specifically designed to support the tensioner in commercial truck engines. Its role is to maintain the appropriate tension on the drive belts, which is necessary for the reliable operation of engine accessories. Proper belt tension ensures that these components receive the necessary power to function correctly, thereby contributing to the overall performance and longevity of the engine 2.

Key Features

The 4980586 Belt Tensioner Bracket is constructed with durable materials to withstand the rigors of commercial truck use. Its design includes features that enhance its performance, such as precise mounting points for secure attachment and a robust structure that can endure high stress and vibration. These attributes contribute to the bracket’s ability to support the tensioner effectively 3.

Benefits

The use of the 4980586 Belt Tensioner Bracket offers several advantages. It contributes to improved engine efficiency by ensuring that drive belts operate under the correct tension, which reduces the risk of slippage and wear. This, in turn, enhances the reliability of the truck’s accessory systems, leading to fewer breakdowns and reduced maintenance costs 4.

Installation and Compatibility

Proper installation of the 4980586 Belt Tensioner Bracket is crucial for its effective operation. The process involves securing the bracket to the engine block using the appropriate fasteners and ensuring that it is aligned correctly with the tensioner and drive belts. Tools required for installation may include wrenches and socket sets. Compatibility with various truck models and engine types should be verified to ensure optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the 4980586 Belt Tensioner Bracket is important for its longevity and performance. This includes checking for signs of wear or damage and ensuring that the bracket remains securely attached. Common issues may include loose fasteners or wear on the bracket itself, which can be addressed through periodic inspections and timely replacements as needed.

Performance Impact

The 4980586 Belt Tensioner Bracket plays a role in the overall performance and efficiency of the truck’s engine and accessory systems. By maintaining proper belt tension, it ensures that engine accessories receive consistent power, which is vital for their operation. This contributes to the smooth running of the engine and the reliability of the truck as a whole.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. Its product range includes components and systems that are integral to the performance and efficiency of heavy-duty trucks.

Belt Tensioner Bracket 4980586 by Cummins

The Belt Tensioner Bracket 4980586, manufactured by Cummins, is a component in the engine assembly of various engine models. This part is designed to maintain the proper tension of the engine’s serpentine belt, ensuring efficient power transmission and optimal performance of ancillary systems such as the alternator, water pump, and air conditioning compressor.

Compatibility with Engine Models

The Belt Tensioner Bracket 4980586 is compatible with the following Cummins engine models:

  • 6B5.9: This engine model is known for its robust design and reliability, often used in heavy-duty applications. The bracket ensures that the serpentine belt remains taut, preventing slippage and maintaining the necessary tension for the belt-driven components.

Installation and Function

The installation of the Belt Tensioner Bracket 4980586 is straightforward, typically involving securing it to the engine block using bolts or screws. Once installed, it works in conjunction with the belt tensioner assembly to keep the serpentine belt at the correct tension. This is crucial for the longevity of the belt and the efficient operation of the engine’s accessories.

Importance in Engine Performance

Maintaining the correct belt tension is vital for the overall health of the engine. An improperly tensioned belt can lead to increased wear on the belt and driven components, potentially causing failure of critical systems. The Belt Tensioner Bracket 4980586 plays a key role in this by providing a stable mounting point for the tensioner, ensuring consistent belt tension under varying engine loads and conditions.

Reliability and Durability

Cummins is renowned for producing high-quality, durable components, and the Belt Tensioner Bracket 4980586 is no exception. Designed to withstand the rigors of heavy-duty use, this part is built to last, reducing the need for frequent replacements and minimizing downtime.

Role of Part 4980586 Belt Tensioner Bracket in Engine Systems

The 4980586 Belt Tensioner Bracket is an integral component in maintaining the efficiency and reliability of engine systems, particularly in relation to the drive and alternator.

When integrated into the engine system, the Belt Tensioner Bracket ensures that the drive belt is properly tensioned. This is essential for the smooth operation of the alternator, which relies on consistent belt tension to function effectively. Proper tensioning prevents slippage, which can lead to inefficient power generation and potential damage to the alternator.

The Bracket also plays a significant role in reducing wear and tear on the drive belt. By maintaining optimal tension, it ensures that the belt operates within its designed parameters, prolonging its lifespan and enhancing the overall performance of the engine system.

Furthermore, the Bracket contributes to the stability of the alternator within the engine bay. It secures the alternator in place, allowing it to operate smoothly without unnecessary movement, which could otherwise lead to misalignment and subsequent mechanical issues.

Conclusion

In summary, the 4980586 Belt Tensioner Bracket is a key component in ensuring the drive belt and alternator work in harmony, contributing to the efficient and reliable operation of the engine system.


  1. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

  2. Hilgers, M. (2023). Alternative Powertrains and Extensions to the Conventional Powertrain. Springer Nature.

  3. Norman, A. (2016). Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc.

  4. Lakshminarayanan, P. A., & Nayak, N. S. (2011). Critical Component Wear in Heavy Duty Engines. John Wiley & Sons.

SPECIFICATIONS

Package Dimensions
21.5 x 18.5 x 7.0 in
Weight
1.168 lbs
* 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.