3971398
Gear Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$239.95 $285.54

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 3971398 Gear Housing is a component designed for use in commercial trucks. It plays a significant role in the operation of these vehicles by ensuring efficient power transfer within the transmission system. Understanding its purpose and functionality is key to maintaining the performance and reliability of commercial trucks.

Basic Concepts of Gear Housing

A gear housing is an enclosure that protects the gears and other internal components of a truck’s transmission system. It plays a role in containing lubricants, reducing noise, and shielding internal parts from external contaminants. The gear housing contributes to the overall performance and durability of the vehicle by maintaining the integrity and efficiency of the transmission system 1.

Purpose of the 3971398 Gear Housing

This Cummins part is specifically designed to house and protect the gears within a truck’s transmission system. It facilitates the smooth transfer of power from the engine to the wheels, ensuring that the truck operates efficiently. This component is integral to the transmission system, playing a role in maintaining the alignment and operation of the gears 2.

Key Features

The 3971398 Gear Housing is characterized by its robust design and the use of high-quality materials. It is engineered to withstand the rigors of commercial truck operation, offering enhanced performance and reliability. Unique attributes of this gear housing include precision machining for optimal fit and function, as well as features that facilitate easy maintenance and repair 3.

Benefits

This part offers several benefits, including improved efficiency in power transfer, enhanced durability under demanding conditions, and reliable performance. Its design and construction contribute to reduced maintenance requirements and longer service life compared to alternative components.

Installation Process

Installing the 3971398 Gear Housing requires careful attention to detail to ensure proper fit and function. The process involves preparing the transmission system, aligning the gear housing with the transmission components, and securing it in place. Tools required may include torque wrenches and alignment tools. Following manufacturer guidelines ensures a successful installation.

Maintenance Tips

To ensure the optimal performance and longevity of the 3971398 Gear Housing, regular maintenance is recommended. This includes inspecting the housing for signs of wear or damage, ensuring proper lubrication levels, and addressing any issues promptly. Adhering to recommended maintenance schedules helps prevent unexpected failures and extends the component’s service life.

Troubleshooting Common Issues

Common issues associated with the 3971398 Gear Housing may include leaks, unusual noises, or performance issues. Troubleshooting these problems involves identifying the source of the issue, whether it be a seal failure, misalignment, or wear on internal components. Solutions may range from simple adjustments to more complex repairs or replacements.

Compatibility and Applications

The 3971398 Gear Housing is designed for use in specific truck models and transmission systems. Its compatibility ensures that it meets the demands of these applications, providing reliable performance and durability. Understanding the compatibility and applications of this gear housing is important for ensuring it is used in the correct context.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products and commitment to quality and reliability. The company’s history of innovation and excellence provides a strong foundation for the quality and performance of components like the 3971398 Gear Housing. Cummins’ reputation in the industry underscores the trust and confidence in their products among commercial truck operators and maintenance professionals.

Gear Housing Part 3971398 in Cummins Engines

The Gear Housing part 3971398, manufactured by Cummins, is a critical component in several Cummins engine models. This part is integral to the engine’s operation, ensuring the smooth transmission of power from the engine to the drivetrain.

ISBE CM800 Series

In the ISBE CM800 series, the Gear Housing part 3971398 plays a pivotal role in maintaining the integrity of the engine’s gear system. This series of engines is known for its robust design and high performance, often used in heavy-duty applications such as military vehicles and industrial machinery. The gear housing in these engines is designed to withstand extreme conditions, providing durability and reliability under heavy loads.

Integration with Cummins Engines

The Gear Housing part 3971398 is engineered to fit seamlessly within the Cummins engine architecture. Its design ensures compatibility with the engine’s internal components, facilitating efficient power transfer and minimizing wear and tear. This part is crucial for maintaining the overall efficiency and longevity of the engine, as it protects the internal gears from external contaminants and mechanical stress.

Application in Various Cummins Models

While the Gear Housing part 3971398 is specifically highlighted for its use in the ISBE CM800 series, it is also applicable to other Cummins engine models. Its universal design allows it to be integrated into various engine configurations, providing a standardized solution for gear housing needs across different Cummins engines. This versatility makes it a preferred choice for technicians and engineers working with Cummins engines.

Role of Part 3971398 Gear Housing in Engine Systems

In the context of engine systems, the 3971398 Gear Housing is an integral component that facilitates the efficient operation of several key elements. This housing encases the rear gear, providing a secure and stable environment for its function. The rear gear, in turn, plays a significant role in transmitting power from the engine to the transmission system, ensuring smooth and consistent power delivery.

The Gear Housing also interacts with the lubrication system, as it houses oil passages that supply necessary lubricants to the rear gear and other moving parts within the housing. This ensures reduced friction and wear, contributing to the longevity and reliability of the engine system.

Furthermore, the 3971398 Gear Housing is designed to withstand the high temperatures and pressures generated within the engine. Its robust construction helps in maintaining the structural integrity of the engine, protecting internal components from potential damage due to thermal expansion or mechanical stress.

Conclusion

In summary, the 3971398 Gear Housing is a fundamental component that supports the functionality and durability of the engine system by securely housing the rear gear, facilitating lubrication, and withstanding operational stresses.


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

  2. Naunheimer, H., Bertsche, B., Ryborz, J., & Novak, W. (2011). Automotive Transmissions Fundamentals Selection Design and Application. Springer Vieweg.

  3. Reif, K. (Ed.). (2015). Gasoline Engine Management Systems and Components. Springer Vieweg.

* 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.