4063379
Idler Pulley Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$144.95 $172.49

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

Introduction

The Cummins 4063379 Idler Pulley Bracket is a component designed for use in heavy-duty trucks. It serves a specific function within the truck’s belt drive system, contributing to the efficient operation of various engine accessories. Understanding its purpose and significance is key to maintaining the overall performance and reliability of the vehicle.

Basic Concepts of Idler Pulley Brackets

An idler pulley bracket is a part of the belt drive system that supports an idler pulley. The idler pulley, in turn, helps maintain the proper tension and alignment of the belts that drive accessories such as the alternator, water pump, and air conditioning compressor. By interacting with these components, the idler pulley bracket plays a role in ensuring that the belts operate efficiently and with minimal wear 1.

Role of the 4063379 Idler Pulley Bracket in Truck Operation

The Cummins 4063379 Idler Pulley Bracket is integral to the operation of a truck by supporting the idler pulley. This support is vital for maintaining the correct tension and alignment of the belts. Proper belt tension ensures that accessories receive the necessary power to function correctly, while proper alignment reduces the risk of belt slippage and wear. The bracket’s role in these processes contributes to the smooth and reliable operation of the truck 2.

Key Features

The Cummins 4063379 Idler Pulley Bracket is constructed from durable materials, designed to withstand the rigors of heavy-duty truck applications. Its design includes features that enhance performance and longevity, such as precise mounting points for the idler pulley and robust construction to resist vibration and stress. These attributes contribute to the bracket’s ability to support efficient belt operation under demanding conditions 3.

Benefits of Using the 4063379 Idler Pulley Bracket

Utilizing the Cummins 4063379 Idler Pulley Bracket offers several advantages. It contributes to improved efficiency by ensuring that belts operate under optimal tension and alignment. This results in reduced wear on both the belts and the pulleys they engage with. Additionally, the bracket’s durable construction and design elements enhance the reliability of the belt drive system, making it a valuable component in demanding truck applications.

Troubleshooting and Maintenance

Common issues with the 4063379 Idler Pulley Bracket may include wear or damage to the bracket itself, or misalignment of the idler pulley. Diagnostic procedures involve inspecting the bracket and pulley for signs of wear, ensuring proper alignment, and checking belt tension. Maintenance practices include regular inspection of the bracket and pulley, cleaning to remove debris, and replacing worn components as necessary to ensure optimal performance and longevity.

Installation Considerations

When installing the Cummins 4063379 Idler Pulley Bracket, it is important to consider factors such as proper alignment with the idler pulley and other components, adhering to torque specifications for mounting hardware, and ensuring compatibility with the truck’s existing belt drive system. Careful attention to these details during installation helps ensure that the bracket functions effectively and contributes to the reliable operation of the truck.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive and heavy-duty truck industry. The company’s product offerings include a wide range of components and systems designed to meet the demanding requirements of commercial vehicles and industrial applications.

Compatibility with Cummins Engines

The Idler Pulley Bracket part number 4063379, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This bracket is an essential component in the engine’s accessory drive system, ensuring the proper alignment and tension of the serpentine belt or V-belts.

6C8.3

The 6C8.3 engine benefits from the 4063379 Idler Pulley Bracket, which helps maintain the correct belt tension and alignment, contributing to the engine’s overall efficiency and longevity.

ISC CM850

For the ISC CM850 engine, the 4063379 Idler Pulley Bracket is a critical part of the engine’s accessory drive system. It ensures that the belt runs smoothly and efficiently, reducing wear and tear on the engine components.

ISL9 CM2150 SN

The ISL9 CM2150 SN engine also utilizes the 4063379 Idler Pulley Bracket. This bracket is engineered to fit the specific design of the ISL9 engine, providing the necessary support and alignment for the belt system.

QSC8.3 CM850 (CM2850)

The QSC8.3 CM850 (CM2850) engine is another model that is compatible with the 4063379 Idler Pulley Bracket. This bracket is designed to work with the unique specifications of the QSC8.3 engine, ensuring optimal performance and durability.

QSL9 CM850 (CM2850)

Similarly, the QSL9 CM850 (CM2850) engine requires the 4063379 Idler Pulley Bracket for its accessory drive system. This bracket is engineered to fit the QSL9 engine’s design, providing the necessary support and alignment for the belt system.

By ensuring proper belt alignment and tension, the 4063379 Idler Pulley Bracket plays a crucial role in the efficient operation of these Cummins engines.

Role of Part 4063379 Idler Pulley Bracket in Engine Systems

The 4063379 Idler Pulley Bracket is an integral component in the orchestration of various engine systems, facilitating the smooth operation of several key elements.

In the context of the drive system, the Idler Pulley Bracket ensures proper tension and alignment of the drive belt. This is essential for the efficient transfer of power from the engine to components such as the alternator and water pump. Without adequate tension, the drive belt may slip, leading to inefficient power transmission and potential damage to the drive components.

When considering the water pump, the Idler Pulley Bracket plays a supportive role by maintaining the correct belt tension. This ensures that the water pump operates at optimal efficiency, providing consistent coolant flow to regulate engine temperature. Inadequate belt tension can result in reduced water pump performance, potentially leading to engine overheating.

In terms of mounting, the Idler Pulley Bracket provides a stable and secure point for the idler pulley to be attached. This mounting stability is vital for the consistent operation of the pulley, which in turn affects the tension and tracking of the drive belt across all pulleys in the system.

For the alternator, the Idler Pulley Bracket helps maintain the necessary belt tension to ensure the alternator spins at the correct speed. This is important for the alternator to generate electricity efficiently, powering the vehicle’s electrical systems and recharging the battery.

Lastly, in relation to the water pump drive, the Idler Pulley Bracket ensures that the drive belt remains properly tensioned and aligned. This is important for the water pump to function correctly, ensuring that the engine remains at an optimal operating temperature.

Overall, the 4063379 Idler Pulley Bracket is a key component in maintaining the integrity and efficiency of the engine’s drive systems, contributing to the reliable operation of the vehicle.

Conclusion

The Cummins 4063379 Idler Pulley Bracket is a critical component in the efficient operation of heavy-duty trucks. Its role in maintaining proper belt tension and alignment ensures the reliable and efficient operation of engine accessories. Understanding its features, benefits, and proper maintenance practices is essential for maintaining the performance and longevity of the vehicle.


  1. Composite Materials Handbook Volume 4 Metal Matrix Composites, SAE International, 2013.

  2. Mobile Equipment Hydraulics A Systems and Troubleshooting Approach, Ben Watson, Cengage Learning, 2011.

  3. KTA19GC CM558/CM2358 Electronic Control System, Bulletin Number 4021661, Troubleshooting and Repair Manual.

SPECIFICATIONS

Notes
Komatsu Part
Package Dimensions
4.25 x 3.38 x 2.88 in
Weight
1.8 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.