3917459
Flywheel Housing
Cummins®

The Cummins 3917459 Flywheel Housing is a component designed for use in heavy-duty trucks. It plays a significant role in the operation of these vehicles by providing a secure enclosure for the flywheel and facilitating the interaction between the engine and transmission systems.

Basic Concepts of Flywheel Housing

A flywheel housing is a part of the engine system that encases the flywheel. Its function is to protect the flywheel and ensure it operates within a controlled environment. The housing interacts with other components such as the flywheel and clutch, playing a role in the transmission of power from the engine to the drivetrain ¹.

Purpose of the 3917459 Flywheel Housing

This part is designed to support the flywheel, which is a critical component in the engine’s operation. It helps in maintaining the engine’s momentum between power strokes and facilitates smooth gear transitions by providing a stable platform for the clutch mechanism to engage and disengage ².

Key Features

The 3917459 is constructed from durable materials that are designed to withstand the rigors of heavy-duty use. Its design includes features that enhance performance and longevity, such as precise machining for a secure fit and robust construction to handle high torque applications.

Benefits

Using this Cummins part can lead to improved engine performance due to its precise fit and robust construction. It offers enhanced durability, ensuring reliable operation under the demanding conditions typical of heavy-duty truck use. The housing’s design contributes to the overall efficiency and reliability of the engine system.

Installation Process

Installing the 3917459 requires careful preparation and the use of appropriate tools. The process involves ensuring the engine and transmission are properly aligned, the old housing is removed, and the new housing is securely fitted. Best practices include thorough cleaning of mating surfaces and the use of recommended fasteners to ensure a secure fit.

Common Issues and Troubleshooting

Common issues with this part may include leaks, cracks, or misalignment. Troubleshooting these problems involves inspecting the housing for signs of damage, ensuring all fasteners are tightened to the correct specifications, and verifying that the housing is properly aligned with the engine and transmission.

Maintenance Tips

To prolong the lifespan of the 3917459, regular inspections should be conducted to check for any signs of wear or damage. Cleaning the housing and its mating surfaces can prevent the buildup of debris that may cause issues. Replacement should be considered if significant wear or damage is detected.

Cummins Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive industry for producing high-quality components. With a history of innovation and commitment to excellence, Cummins continues to be a trusted name in the production of reliable and durable automotive parts.

Cummins Flywheel Housing Part 3917459 Compatibility

The Cummins flywheel housing part 3917459 is designed to fit a variety of engine models, ensuring compatibility across multiple engine series. This part is integral to the engine’s operation, providing a housing for the flywheel and contributing to the overall efficiency and performance of the engine.

Engine Compatibility

• 6C8.3: This engine model is compatible with the flywheel housing part 3917459, ensuring a secure fit and proper function.
• QSC8.3 CM554 and QSC8.3 CM850 (CM2850): Both these engine variants are designed to work seamlessly with the specified flywheel housing, maintaining the integrity of the engine’s operation.
• QSC9 CM2250 / QSL9 CM2250: These engines are also compatible with the part 3917459, providing a reliable housing solution for the flywheel.
• QSL8.9 CM2150 L141: This engine model is another compatible option, ensuring that the flywheel housing fits perfectly and functions as intended.
• QSL9 CM2250, QSL9 CM2350 L102, and QSL9 CM554: These engines are part of the compatibility list for the flywheel housing part 3917459, ensuring a consistent fit across different engine models.
• QSL9 CM850 (CM2850): This engine model is also compatible with the specified flywheel housing, providing a reliable and efficient solution for the engine’s needs.

The flywheel housing part 3917459 is engineered to meet the specific requirements of these engine models, ensuring a secure and efficient fit. This compatibility ensures that the engine operates smoothly and efficiently, with the flywheel housing playing a crucial role in the overall performance and reliability of the engine.

Role of Part 3917459 Flywheel Housing in Engine Systems

The flywheel housing, identified by part number 3917459, is an integral component in the assembly and operation of engine systems. It serves as the enclosure for the flywheel, which is a heavy rotating disc that stores rotational energy and smooths out the delivery of power from a motor to its load.

When integrated into the engine system, the flywheel housing aligns with the crankshaft, securing the flywheel in place. This alignment ensures that the flywheel can effectively interact with the starter motor during engine start-up, allowing for efficient cranking of the engine.

Furthermore, the flywheel housing interfaces with the clutch system in manual transmissions. It provides a mounting surface for the pressure plate, which, in turn, engages with the flywheel to transmit engine power to the transmission. This interaction is essential for the smooth operation of the clutch, enabling the driver to change gears without interrupting the power flow.

In addition, the flywheel housing often incorporates mounting points for various engine components, such as the engine block, transmission, and other ancillary parts. This structural role ensures that the flywheel and associated components remain securely in place, contributing to the overall stability and reliability of the engine system.

The housing also plays a part in managing engine vibrations. By providing a solid foundation for the flywheel, it helps to dampen vibrations that could otherwise be transmitted through the engine and drivetrain, enhancing the smoothness of engine operation.

In summary, part 3917459 flywheel housing is a key component that facilitates the interaction between the flywheel, crankshaft, and clutch system, while also contributing to the structural integrity and vibration management of the engine system.

Conclusion

The Cummins 3917459 Flywheel Housing is a vital component in heavy-duty truck engines, ensuring the secure enclosure of the flywheel and facilitating the interaction between the engine and transmission systems. Its robust construction and precise fit contribute to improved engine performance and reliability. Regular maintenance and proper installation are essential to maximize the lifespan and efficiency of this part.