3958412
Fan Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$309.95 $368.84

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 3958412 Fan Support is a critical component in the engine cooling system of commercial trucks. It provides structural support for the engine fan, ensuring efficient operation and contributing to the overall reliability of the truck’s cooling system. This part is essential for maintaining optimal engine temperature, which is vital for the performance and longevity of the engine 1.

Basic Concepts of Fan Support

A fan support serves as a mounting bracket for the engine fan. It plays a role in the engine cooling system by securing the fan in place and allowing it to operate effectively. The fan support ensures that the fan can rotate freely while remaining aligned with the engine’s cooling requirements. This alignment and stability are important for maintaining optimal engine temperature, especially under varying load conditions and environmental temperatures 2.

Purpose of the 3958412 Fan Support

The 3958412 Fan Support is specifically engineered to enhance the operation of a truck’s engine cooling system. It contributes to engine cooling by providing a stable platform for the fan, which is responsible for drawing air through the radiator to cool the engine. The support ensures that the fan operates efficiently, which in turn helps in maintaining the engine’s optimal operating temperature. This is particularly important in heavy-duty applications where the engine is subjected to high loads and temperatures 3.

Key Features

The 3958412 Fan Support is constructed from durable materials, designed to withstand the rigors of heavy-duty truck operation. Its design includes features such as precise mounting points for the fan and radiator, ensuring accurate alignment and efficient cooling. Additionally, the support may incorporate elements that reduce vibration and noise, contributing to a smoother operation of the cooling system.

Benefits

The benefits of the 3958412 Fan Support include improved engine cooling efficiency, which is crucial for the performance and longevity of the engine. Its durable construction ensures reliability in various operating conditions, from extreme heat to heavy loads. The design of the support also contributes to reduced vibration and noise, enhancing the overall operation of the truck.

Installation Process

Installing the 3958412 Fan Support requires careful attention to alignment and secure mounting. The process involves attaching the support to the engine block using the appropriate fasteners, ensuring that it is level and securely in place. It is important to follow the manufacturer’s guidelines for installation, including any specified torque settings for the fasteners, to ensure the support is properly installed and functions as intended.

Troubleshooting Common Issues

Common issues with fan supports can include noise, vibration, or reduced cooling efficiency. These problems may arise from improper installation, wear and tear, or damage to the support. Troubleshooting steps may involve inspecting the support for damage, ensuring it is properly aligned and securely mounted, and checking the condition of the fan and radiator for any issues that may affect cooling efficiency.

Maintenance Tips

Regular maintenance of the 3958412 Fan Support is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, ensuring that all fasteners are tight, and cleaning the support and surrounding components to remove any debris that may affect cooling efficiency. Following the manufacturer’s recommended maintenance schedule will help in maintaining the efficiency and reliability of the engine cooling system.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions control technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product offerings are designed to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and efficiency.

Compatibility with Cummins Engines

The 3958412 Fan Support is designed to be compatible with a range of Cummins engines, ensuring efficient cooling and operation across various models. Below is a detailed description of its compatibility with the listed engines:

  • 4B3.9 and QSB3.9 30 CM550: Ensures optimal airflow for effective cooling.
  • 6B5.9, QSB5.9 30 CM550, QSB5.9 44 CM550: Handles increased airflow demands for consistent cooling performance.
  • B4.5, QSB4.5 CM2250 EC, QSB4.5 CM850 (CM2850): Provides reliable airflow to maintain engine temperature within optimal ranges.
  • B5.9 G and B5.9 GAS PLUS CM556: Ensures efficient cooling and performance for specific engine configurations.
  • ISB CM2150, ISBE CM2150, QSB3.9 30 CM550: Ensures effective cooling and airflow for ISB and ISBE series engines.
  • ISB CM550, ISB/ISD4.5 CM2150 B119, QSB4.5 CM850 (CM2850): Maintains optimal cooling performance for specific engine configurations.
  • ISB CM850, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118, ISB6.7 CM2350 B101, ISB6.7 CM2250, ISB6.7 CM2350 B105, QSB6.7 CM2250, QSB6.7 CM2350 B105, QSB6.7 CM850 (CM2850): Ensures efficient cooling and airflow for higher displacement and power output engines.
  • ISB CM2150 SN, ISB CM2350 B105, QSB7 CM2880 B117: Ensures optimal cooling and performance for specific engine configurations.

This comprehensive compatibility ensures that the 3958412 Fan Support can be effectively used across a wide range of engine models, providing reliable and efficient cooling solutions.

Role of Part 3958412 Fan Support in Engine Systems

Part 3958412, the Fan Support, is an integral component that ensures the efficient operation of the fan drive within engine systems. By providing a stable mounting point, the Fan Support allows the fan drive to rotate smoothly, which is essential for maintaining optimal airflow through the engine’s cooling system.

The Fan Support works in conjunction with the fan drive to enhance the overall performance and reliability of the engine. As the fan drive rotates, the Fan Support absorbs and dissipates vibrations, ensuring that the fan operates within its designed parameters. This stability is vital for consistent cooling, which directly impacts the engine’s thermal management.

Moreover, the Fan Support contributes to the longevity of the fan drive by reducing wear and tear. By minimizing vibrations and providing a secure attachment point, it helps prevent premature failure of the fan drive components. This, in turn, leads to more reliable engine operation and reduced maintenance requirements.

Conclusion

In summary, the 3958412 Fan Support plays a significant role in the efficient and reliable functioning of the fan drive within engine systems, ensuring smooth operation, enhanced performance, and prolonged component life.


  1. Taghavifar, H., & Mardani, A. (2017). Offroad Vehicle Dynamics Analysis Modelling and Optimization. Springer.

  2. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

  3. Klyde, M., & VanGelder, K. (2010). Advanced Automotive Electricity and Electronics. Jones Bartlett Learning.

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SPECIFICATIONS

Notes
Replace With 5261322
Service Part Topic
TSB130052
Package Dimensions
18.0 x 18.0 x 12.0 in
Weight
3.5 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.