4986439
Flywheel Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11,999.95 $14,279.94

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 Flywheel Housing 4986439 by Cummins is a component designed for heavy-duty truck engines. It serves a significant role in the engine’s operation by providing a secure enclosure for the flywheel and facilitating the interaction between the engine and transmission. This housing is integral to maintaining the efficiency and reliability of the engine system 1.

Basic Concepts of Flywheel Housing

A flywheel housing is a protective casing that encases the flywheel, a heavy rotating disc that stores rotational energy. The housing plays a role in the engine system by ensuring the flywheel operates within a controlled environment. It interacts with other components such as the clutch and transmission, allowing for smooth power transfer from the engine to the drivetrain 2.

Purpose of the 4986439 Flywheel Housing

The 4986439 Flywheel Housing is designed to support the flywheel and facilitate smooth gear transitions. It plays a role in the truck’s operation by providing a robust and secure environment for the flywheel, which is crucial for maintaining consistent engine performance. The housing also aids in the efficient transfer of power, contributing to the overall reliability of the engine system 3.

Key Features

This Cummins part is characterized by its durable construction and precise engineering. It is designed to withstand the rigors of heavy-duty use, ensuring long-lasting performance. The housing is engineered to fit specific Cummins engines, ensuring compatibility and optimal function. Its design includes features that enhance its durability and efficiency in demanding conditions 4.

Benefits

The 4986439 Flywheel Housing offers several benefits, including improved engine performance and enhanced durability. By providing a secure and stable environment for the flywheel, it contributes to smoother gear transitions and more efficient power transfer. The housing’s robust construction ensures reliable operation under heavy-duty conditions, making it a valuable component for trucks that require consistent and powerful performance.

Installation Process

Installing the 4986439 Flywheel Housing requires careful attention to detail to ensure proper fit and function. The process involves securing the housing to the engine block, ensuring all bolts are tightened to the manufacturer’s specifications. It is important to verify that the housing aligns correctly with the flywheel and other components to prevent issues during operation. Following the manufacturer’s guidelines for installation will help ensure a successful and durable setup.

Common Issues and Troubleshooting

Common issues with the 4986439 Flywheel Housing may include misalignment, wear, or damage from heavy use. Troubleshooting these problems involves inspecting the housing for signs of wear or damage, ensuring proper alignment with the flywheel and other components, and verifying that all bolts are securely tightened. Addressing these issues promptly can help maintain the housing’s performance and longevity.

Maintenance Tips

To ensure optimal performance and longevity of the 4986439 Flywheel Housing, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the housing to remove any debris or buildup, and ensuring that all bolts and connections are secure. Lubricating moving parts as per the manufacturer’s recommendations can also help maintain smooth operation.

Cummins 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 automotive industry, particularly for its heavy-duty truck components. The company’s commitment to excellence and customer satisfaction is reflected in its wide range of reliable and high-performance products.

Compatibility of 4986439 Flywheel Housing

The 4986439 Flywheel Housing is designed to fit seamlessly with several Cummins engine models, ensuring compatibility and reliability across various applications. This part is integral to the engine’s operation, providing a secure housing for the flywheel and contributing to the overall efficiency of the engine.

V903 Engines

The V903 engine series, known for its robust performance and durability, is one of the key beneficiaries of the 4986439 flywheel housing. This part is engineered to match the specific design and requirements of the V903 engines, ensuring a perfect fit and optimal performance. The compatibility of this flywheel housing with the V903 engines underscores its versatility and importance in maintaining the engine’s functionality.

Grouping of Compatible Engines

While the V903 engines are a primary focus, the 4986439 flywheel housing is also compatible with other Cummins engines within the same engine family. This grouping ensures that the part can be used across multiple models, simplifying maintenance and repair processes. The design and specifications of the 4986439 part are meticulously crafted to align with the needs of these engines, providing a reliable solution for engine housing needs.

Role of 4986439 Flywheel Housing in Engine Systems

The flywheel housing, specifically part 4986439, is an integral component in the assembly and operation of engine systems. It is designed to encase the flywheel, which is a heavy wheel attached to the crankshaft of an engine. This housing provides a secure and stable environment for the flywheel to operate within.

When integrated into the engine system, the flywheel housing works in conjunction with several key components. It supports the flywheel as it stores rotational energy, which is then used to maintain the engine’s momentum between power strokes. The housing also interfaces with the clutch system, allowing for smooth engagement and disengagement of the flywheel from the transmission. This interaction is vital for the efficient transfer of power from the engine to the drivetrain.

Additionally, the flywheel housing plays a role in the alignment and mounting of the engine to the vehicle’s frame. It ensures that the flywheel is correctly positioned relative to the crankshaft and other engine components, which is essential for the engine’s balance and performance. The housing also contributes to the overall structural integrity of the engine, protecting the flywheel from external impacts and vibrations.

Conclusion

In summary, the 4986439 Flywheel Housing is a fundamental component that facilitates the operation of the flywheel, supports the clutch system, aids in engine alignment, and enhances the structural stability of the engine system. Its robust design and compatibility with various Cummins engines make it a reliable and essential part for maintaining the efficiency and reliability of heavy-duty truck engines.


  1. Wang, Yushu. Introduction to Engine Valvetrains. SAE International, 2007.

  2. Carroll, Douglas R. Energy Efficiency of Vehicles. SAE International, 2020.

  3. Huzij, Robert, Spano, Angelo, and Bennett, Sean. Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning, 2019.

  4. Hilgers, Michael. Electrical Systems and Mechatronics, Second Edition. Springer Vieweg, 2023.

* 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.