3287581
Idler Pulley Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,849.95 $2,201.44

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 3287581 Idler Pulley Support is a component designed to enhance the operation of heavy-duty trucks. Its purpose is to maintain the proper function of the belt drive system, ensuring efficient and reliable performance of the engine. This part is significant in the context of truck maintenance and operation, contributing to the overall effectiveness of the vehicle 3.

Basic Concepts of Idler Pulley Support

An idler pulley support is a component within the belt drive system that helps maintain the correct tension and alignment of the belts. It plays a role in the system by supporting the idler pulley, which in turn keeps the belts properly positioned and taut. This contributes to the overall efficiency and performance of the engine by ensuring that the belts drive various components effectively without slipping or misaligning 1.

Purpose of the 3287581 Idler Pulley Support

The Cummins 3287581 Idler Pulley Support is integral to the operation of a truck. It functions by maintaining the proper tension and alignment of the belts within the engine’s belt drive system. This ensures that the belts can effectively drive components such as the alternator, water pump, and air conditioning compressor, contributing to the smooth and efficient operation of the engine 3.

Key Features

The Cummins 3287581 Idler Pulley Support is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to wear and corrosion, ensuring longevity. The design includes precise engineering to fit securely within the truck’s engine compartment, and it may feature unique elements such as integrated bearings or adjustable tensioners to optimize function 2.

Benefits

Using the Cummins 3287581 Idler Pulley Support offers several benefits. It contributes to improved engine efficiency by ensuring that the belts operate under the correct tension, reducing the risk of slippage. This can lead to reduced wear on the belts and other components, enhancing the reliability of the engine. Additionally, the support’s design and material construction contribute to its durability, providing long-term performance 3.

Installation

Installing the Cummins 3287581 Idler Pulley Support requires following a step-by-step procedure to ensure correct fitting. The process involves securing the support in place within the engine compartment, aligning it with the idler pulley, and ensuring that the belts are properly tensioned. Tools and equipment such as wrenches and tension gauges may be required, and it is important to consult the manufacturer’s instructions for specific guidelines and considerations 1.

Troubleshooting

Common issues with the 3287581 Idler Pulley Support may include misalignment, excessive wear, or failure to maintain proper belt tension. Diagnostic tips for identifying problems include checking for signs of wear on the support or belts, ensuring that the support is securely fitted, and verifying that the belts are correctly tensioned. Recommended solutions may involve adjusting the support, replacing worn components, or seeking professional repair if necessary 2.

Maintenance

To ensure the longevity and optimal performance of the Cummins 3287581 Idler Pulley Support, regular maintenance practices are recommended. This includes inspecting the support and belts at regular intervals for signs of wear or damage, lubricating moving parts as necessary, and replacing the support or belts according to the manufacturer’s guidelines. Proper maintenance contributes to the reliable operation of the engine and the overall performance of the truck 3.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance engines and components, Cummins has built a reputation for excellence. The company offers a wide range of products designed to meet the needs of various applications, demonstrating its expertise and dedication to advancing technology in the field 3.

Idler Pulley Support Part 3287581 Compatibility with Cummins Engines

The Idler Pulley Support part 3287581, manufactured by Cummins, is designed to be compatible with a range of Cummins engines. This part plays a role in the engine’s accessory drive system, ensuring that the idler pulley operates smoothly and efficiently.

Compatibility with Specific Engines

  • 6C8.3 Engine: The 6C8.3 engine is one of the models that can utilize the Idler Pulley Support part 3287581. This engine is known for its robust performance and reliability, often used in heavy-duty applications. The idler pulley support ensures that the engine’s belt tension is maintained, reducing wear and tear on the belt and other components.

  • C GAS PLUS CM556 Engine: Another engine that benefits from the Idler Pulley Support part 3287581 is the C GAS PLUS CM556. This engine is designed for efficient fuel consumption and power output. The idler pulley support is essential in maintaining the correct alignment and tension of the engine’s accessories, ensuring optimal performance and longevity.

Grouping of Compatible Engines

While the Idler Pulley Support part 3287581 is specifically designed for the 6C8.3 and C GAS PLUS CM556 engines, it is also compatible with other Cummins engines within the same family or series. These engines share similar design characteristics and operational requirements, making the idler pulley support a versatile component across multiple models.

By ensuring that the idler pulley operates correctly, the part 3287581 helps maintain the overall efficiency and reliability of the engine, reducing the likelihood of mechanical failures and extending the service life of the engine components 3.

Role of Part 3287581 Idler Pulley Support in Engine Systems

The idler pulley support, specifically part 3287581, is integral to the efficient operation of various engine systems, particularly those involving the drive and fan components.

In systems where a drive belt is utilized, the idler pulley support ensures the belt maintains proper tension. This is essential for the seamless transfer of power from the engine to auxiliary components such as the alternator, water pump, and air conditioning compressor. Without adequate tension, the drive belt may slip, leading to inefficient power transmission and potential overheating of the engine.

When it comes to the fan, the idler pulley support plays a significant role in maintaining the correct alignment and tension of the fan belt. This ensures that the fan operates at optimal efficiency, providing the necessary airflow to cool the engine and other critical components. Proper fan operation is vital for temperature regulation, preventing overheating, and ensuring the longevity of the engine.

In summary, part 3287581 idler pulley support is a key component in maintaining the integrity and efficiency of the drive and fan systems within an engine. Its role in tensioning and aligning belts is fundamental to the overall performance and reliability of the engine 3.

Conclusion

The Cummins 3287581 Idler Pulley Support is a critical component for the efficient and reliable operation of heavy-duty trucks. By maintaining proper belt tension and alignment, this part ensures the smooth functioning of the engine’s accessory drive system. Its compatibility with various Cummins engines, coupled with its durable construction and precise engineering, makes it a valuable asset in truck maintenance and operation. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part, contributing to the overall performance and longevity of the vehicle.


  1. Allan Bonnick and Derek Newbold, A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition, Elsevier Ltd, 2011.

  2. D. K. Singh, Dictionary of Mechanical Engineering, Springer Nature, 2024.

  3. Sean Bennett, Modern Diesel Technology: Light Duty Diesels, Cengage Learning, 2012.

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SPECIFICATIONS

Package Dimensions
24.9 x 24.5 x 12.4 in
Weight
3.193 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.