3912740
Flywheel Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,849.95 $2,201.44

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 Flywheel Housing 3912740 by Cummins is a component designed to support the operation of heavy-duty trucks. Its role is integral to the functionality of the engine system, ensuring efficient power transmission and maintaining engine balance. This housing is a testament to Cummins’ commitment to quality and reliability in diesel engine components.

Basic Concepts of Flywheel Housing

A flywheel housing is a protective enclosure that houses the flywheel, which is a part of the engine’s power transmission system. It facilitates the smooth transfer of power from the engine to the transmission via the clutch. The housing also plays a role in containing the flywheel’s movement and protecting it from external elements, thereby contributing to the overall efficiency and longevity of the engine system 1.

Purpose of the 3912740 Flywheel Housing

The 3912740 Flywheel Housing is designed to support the flywheel and clutch assembly within the engine system of a truck. It contributes to maintaining engine balance by securely holding the flywheel in place. This housing also facilitates smooth power transmission from the engine to the transmission, which is vital for the truck’s performance. Its design allows for efficient operation of the clutch system, ensuring that power is delivered consistently and reliably.

Key Features

The 3912740 Flywheel Housing is constructed from durable materials that are resistant to wear and corrosion, ensuring longevity in demanding environments. Its design incorporates precise engineering to accommodate the flywheel and clutch components accurately. Unique characteristics such as reinforced sections and optimized weight distribution enhance its performance and durability, making it suitable for heavy-duty applications.

Benefits

The 3912740 Flywheel Housing offers several benefits, including improved engine efficiency through secure and precise power transmission. It reduces wear on connected components by providing a stable environment for the flywheel and clutch to operate. Enhanced overall performance of the truck is achieved through the housing’s contribution to smooth and reliable power delivery.

Installation Process

Proper installation of the 3912740 Flywheel Housing involves several steps to ensure correct fitting and function. It begins with preparing the engine bay for the new housing, followed by aligning the housing with the flywheel and clutch components. Secure fastening of the housing is critical, as is verifying that all connections are tight and properly aligned. Attention to detail during installation helps prevent issues such as leaks or misalignment 2.

Common Issues and Troubleshooting

Common issues with the 3912740 Flywheel Housing may include leaks, cracks, or misalignment. Troubleshooting these problems involves inspecting the housing for signs of damage or wear, checking the alignment of the flywheel and clutch, and ensuring all connections are secure. Addressing these issues promptly can prevent further damage to the engine system and ensure continued reliable operation.

Maintenance Tips

Regular maintenance of the 3912740 Flywheel Housing is important for its longevity and performance. This includes inspecting the housing for signs of wear or damage, cleaning it to remove any debris or buildup, and checking the alignment and security of all connections. Knowing when to consider replacement or repair is also crucial for maintaining the efficiency of the engine system.

Compatibility and Applications

The 3912740 Flywheel Housing is designed for use in specific types of trucks and engines, ensuring compatibility with the intended applications. It is commonly used with certain models or series, providing a reliable solution for heavy-duty truck engines.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components, with a history of innovation and quality. The company’s reputation for reliability and performance is reflected in its products, including the 3912740 Flywheel Housing. Cummins’ commitment to excellence ensures that its components meet the high standards required for heavy-duty applications.

Understanding the Integration of Part 3912740 Flywheel Housing in Engine Systems

The part 3912740 Flywheel Housing is an integral component in the assembly and operation of engine systems. Its primary function is to encase and support the flywheel, which is a key element in the engine’s power transmission system.

When integrating the Flywheel Housing into an engine system, it interfaces directly with the engine block. This housing is designed to align precisely with the crankshaft, allowing for the secure attachment of the flywheel. The flywheel, in turn, plays a significant role in smoothing out the power delivery from the engine by storing rotational energy and releasing it as needed.

Additionally, the Flywheel Housing often incorporates mounting points for the starter motor. This ensures that the starter engages correctly with the flywheel’s ring gear to initiate engine start-up. The housing also provides a structural foundation for the clutch assembly in manual transmission systems. Here, it supports the pressure plate and clutch disc, which are essential for transmitting engine power to the transmission.

In summary, the 3912740 Flywheel Housing is a fundamental component that ensures the proper functioning and integration of the flywheel, starter motor, and clutch assembly within the engine system. Its role in maintaining the structural integrity and operational efficiency of these components cannot be overstated.

Conclusion

The 3912740 Flywheel Housing by Cummins is a critical component in the operation of heavy-duty truck engines. Its design and construction ensure efficient power transmission, engine balance, and longevity. Proper installation, maintenance, and understanding of its integration within engine systems are essential for optimal performance and reliability.


  1. Sheng, G. (2012). Vehicle Noise, Vibration and Sound Quality. SAE International.

  2. Livesey, A. (2000). The Repair of Vehicle Bodies. Elevier.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
23.5 x 23.63 x 7.38 in
Weight
26.81 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.