3285348
Idler Pulley Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$339.95 $404.54

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 3285348 Idler Pulley Support is a component designed to enhance the operation of commercial trucks. Its purpose is to support the idler pulley within the belt drive system, ensuring efficient and reliable performance of the truck’s engine. This part is significant in maintaining the proper tension and alignment of the belts, which are essential for the operation of various engine accessories.

Basic Concepts of Idler Pulley Support

An idler pulley support serves as a foundation for the idler pulley, which is a non-driving pulley used to maintain tension in the belt drive system 1. This support plays a role in ensuring that the belt remains properly tensioned and aligned, which contributes to the overall efficiency and performance of the truck’s engine. By keeping the belt in the correct position, the idler pulley support helps to reduce slippage and wear, ensuring that power is effectively transmitted to critical engine components.

Role of the 3285348 Idler Pulley Support in Truck Operation

The 3285348 Idler Pulley Support is integral to the operation of a truck, particularly in its interaction with belts, tensioners, and pulleys. It supports the idler pulley, which maintains the necessary tension on the belts that drive accessories such as the alternator, water pump, and air conditioning compressor. Proper tension ensures these components operate efficiently, contributing to the overall performance and reliability of the truck’s engine 2.

Key Features of the 3285348 Idler Pulley Support

The 3285348 Idler Pulley Support is characterized by its robust design and construction. It is made from high-quality materials that offer durability and resistance to wear. The support is engineered to provide a stable platform for the idler pulley, ensuring consistent performance under various operating conditions. Its design includes features that facilitate easy installation and integration into the truck’s engine system.

Benefits of Using the 3285348 Idler Pulley Support

Utilizing the 3285348 Idler Pulley Support offers several advantages. It helps maintain optimal belt tension, reducing the risk of belt slippage and the associated wear on belts and pulleys. This contributes to enhanced engine performance and reliability. Additionally, the support’s durable construction ensures long-term operation without the need for frequent replacements, offering value and peace of mind to truck operators 3.

Installation and Integration

Proper installation of the 3285348 Idler Pulley Support is key to ensuring its effective operation. It is important to follow manufacturer guidelines for installation, which may include preparations such as cleaning the mounting area and ensuring that all fasteners are tightened to the specified torque. Integration into the truck’s engine system requires careful attention to alignment and tension settings to ensure optimal performance.

Troubleshooting Common Issues

Common issues with the 3285348 Idler Pulley Support may include noise, vibration, or belt slippage. These problems can often be traced to improper installation, wear, or misalignment. Troubleshooting steps may involve inspecting the support and idler pulley for signs of wear, ensuring proper alignment, and adjusting tension as necessary. In some cases, replacement of the support or idler pulley may be required to resolve the issue.

Maintenance and Care

Routine maintenance of the 3285348 Idler Pulley Support is important for ensuring optimal performance and longevity. This includes regular inspection for signs of wear or damage, ensuring that the support and idler pulley are properly aligned, and maintaining the correct belt tension. Lubrication requirements, if any, should be followed as per the manufacturer’s recommendations. Replacement guidelines should be consulted to determine when the support may need to be replaced.

Cummins: A Brief 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 quality, Cummins has established a strong reputation in the commercial truck industry. The company is committed to providing reliable and efficient solutions that meet the demanding requirements of commercial truck operators, ensuring that their vehicles perform at their best.

Idler Pulley Support Part 3285348 in Cummins Engines

The Idler Pulley Support part number 3285348, manufactured by Cummins, is a critical component in the engine systems of various Cummins engines. This part is designed to maintain the proper alignment and tension of the engine’s belt system, ensuring efficient operation and longevity of the engine components.

ISM CM570 and ISM CM570/870

In the ISM CM570 and ISM CM570/870 engines, the Idler Pulley Support part 3285348 plays a pivotal role in the engine’s belt-driven accessories. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The idler pulley support ensures that the belt remains taut and properly aligned, which is crucial for the smooth operation of components such as the alternator, water pump, and air conditioning compressor.

M11 CELECT PLUS

The M11 CELECT PLUS engine also incorporates the Idler Pulley Support part 3285348. This engine is designed for high-performance applications, including on-highway and off-highway uses. The idler pulley support in this engine is essential for maintaining the integrity of the belt system, which drives various engine accessories. Proper alignment and tension of the belt are vital for the efficient operation of the engine’s components, ensuring optimal performance and reliability.

Grouping the Engines

When considering the ISM CM570 and ISM CM570/870 engines together, it is evident that the Idler Pulley Support part 3285348 is a shared component. Both engines benefit from this part’s functionality in maintaining the belt system’s integrity. The ISM CM570/870, being a variant of the ISM CM570, incorporates the same design principles and requirements for the idler pulley support.

Similarly, the M11 CELECT PLUS engine, while distinct in its design and application, also relies on the Idler Pulley Support part 3285348 to ensure the belt system’s proper operation. This part’s role in maintaining belt tension and alignment is critical for the engine’s performance and longevity, regardless of the specific engine model.

Role of Part 3285348 Idler Pulley Support in Engine Systems

The 3285348 Idler Pulley Support is an integral component in the efficient operation of various engine systems. It provides essential support and stability to the idler pulley, which in turn facilitates the smooth functioning of the alternator and refrigerant compressor.

Integration with the Alternator

In the alternator system, the 3285348 Idler Pulley Support ensures that the idler pulley maintains proper tension on the serpentine belt. This tension is vital for the alternator to generate electricity efficiently. The idler pulley, supported by this component, helps in maintaining the correct alignment and tension of the belt, which drives the alternator. This ensures consistent power output and reliable operation of the electrical system.

Coordination with the Refrigerant Compressor

Similarly, in the refrigerant compressor system, the 3285348 Idler Pulley Support plays a significant role. The compressor relies on the serpentine belt to operate, and the idler pulley support ensures that the belt remains taut and properly aligned. This is essential for the compressor to function without interruptions, thereby maintaining the efficiency of the air conditioning system. The stable support provided by the 3285348 component allows the compressor to run smoothly, ensuring optimal cooling performance.

Mounting Considerations

The mounting of the 3285348 Idler Pulley Support is designed to accommodate both the alternator and refrigerant compressor systems. Proper mounting is essential to withstand the dynamic forces exerted during engine operation. The support must be securely fastened to the engine frame to prevent any movement that could lead to belt slippage or misalignment. This stability is crucial for the longevity and reliability of both the alternator and compressor.

Conclusion

The 3285348 Idler Pulley Support is a vital component in the efficient operation of various engine systems. It ensures proper tension and alignment of the belts, which are essential for the operation of engine accessories such as the alternator and refrigerant compressor. Its robust design and construction contribute to the overall performance and reliability of the engine, making it a critical part of the engine’s auxiliary systems.


  1. Hiereth, H., Prenninger, P., & Drexl, K. W. (2010). Charging the Internal Combustion Engine. Springer.

  2. Berns, K., Dressler, K., Fleischmann, P., Grges, D., Kalmar, R., Sauer, B., Stephan, N., Teutsch, R., & Thul, M. (2018). Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer.

  3. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

SPECIFICATIONS

Package Dimensions
6.3 x 6.0 x 1.63 in
Weight
1.5 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.