3925224
Flywheel Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,899.95 $2,260.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 Part #3925224 by Cummins is a component designed for heavy-duty trucks. It plays a role in the engine system, contributing to the overall performance and efficiency of the vehicle. This part is integral to the operation of the engine, particularly in managing rotational energy and ensuring smooth engine operation.

Basic Concepts of Flywheel Housing

A flywheel housing is a protective enclosure that houses the flywheel, a key component in the engine’s power transmission system. Its primary functions include safeguarding the flywheel from external elements, facilitating the connection between the engine and transmission, and contributing to the engine’s balance and stability. The flywheel housing integrates with other engine components such as the crankshaft, clutch, and transmission, playing a role in the engine’s operation 1.

Purpose of the 3925224 Flywheel Housing

The 3925224 Flywheel Housing is designed to store rotational energy generated by the engine, which is then used to smooth out the power delivery to the transmission. This part helps in maintaining consistent engine operation by reducing vibrations and ensuring a stable power flow. It is a component in the engine system, contributing to the truck’s overall performance and efficiency.

Key Features

The 3925224 Flywheel Housing is constructed from high-quality materials, ensuring durability and reliability under heavy-duty conditions. Its design includes precise engineering to facilitate a secure fit and optimal performance. Unique characteristics of this part may include enhanced corrosion resistance and improved heat dissipation, which contribute to its longevity and efficiency.

Benefits

The advantages provided by the 3925224 Flywheel Housing include improved engine efficiency through better energy management, enhanced durability due to its robust construction, and reliable performance even under demanding conditions. This part contributes to the overall reliability and efficiency of the truck’s engine system.

Installation Process

Proper installation of the 3925224 Flywheel Housing involves several steps. Mechanics should ensure the engine is properly supported and the flywheel is aligned correctly before securing the housing in place. It is important to follow manufacturer guidelines for torque specifications and to check for any potential issues such as misalignment or improper fit. Best practices include thorough cleaning of mating surfaces and inspection of gaskets or seals to ensure a proper seal.

Common Issues and Troubleshooting

Common problems associated with flywheel housings may include leaks, cracks, or misalignment. Potential causes can range from improper installation to wear and tear over time. Recommended troubleshooting steps include inspecting the housing for visible damage, checking for proper alignment, and ensuring all connections are secure. Addressing these issues promptly can help maintain the efficiency and reliability of the engine system.

Maintenance Tips

To prolong the lifespan of the 3925224 Flywheel Housing, regular inspection routines should be conducted to check for signs of wear or damage. Cleaning procedures, such as removing dirt and debris, can help prevent corrosion and ensure optimal performance. Replacement should be considered if significant wear or damage is detected, or if the part is no longer performing as expected.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality engine components. With a rich history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and efficient parts. The company’s dedication to quality and performance is evident in its wide range of engine components, including the 3925224 Flywheel Housing.

Compatible Engines

  • 4B3.9
  • 6B5.9
  • B4.5
  • B5.9 G
  • B5.9 GAS PLUS CM556
  • G5.9
  • ISB CM550
  • QSB5.9 30 CM550

Grouping of Compatible Engines

The Flywheel Housing part 3925224 is compatible with several engine models that share similar design and operational characteristics. These engines can be grouped based on their series and specifications:

Group 1: B Series Engines

  • B4.5
  • B5.9 G
  • B5.9 GAS PLUS CM556

These engines are part of the B series, known for their robust design and reliability in various applications.

Group 2: 4B and 6B Series Engines

  • 4B3.9
  • 6B5.9

The 4B and 6B series engines are designed for heavy-duty applications, providing substantial power and durability.

Group 3: G and QSB Series Engines

  • G5.9
  • QSB5.9 30 CM550

These engines are part of the G and QSB series, offering a balance of power and efficiency suitable for a range of industrial and commercial uses.

Group 4: ISB Series Engines

  • ISB CM550

The ISB series engines are known for their high performance and reliability, making them a popular choice in various applications.

Each of these engines benefits from the Flywheel Housing part 3925224, ensuring that the flywheel is securely housed and that the engine operates smoothly and efficiently.

Role of Part 3925224 Flywheel Housing in Engine Systems

The part 3925224 Flywheel Housing is a component in the assembly and operation of engine systems. It serves as the mounting point for the flywheel, which is a heavy, rotating disk that stores rotational energy and smooths out the power delivery from the engine’s combustion cycles.

Integration with Key Components

  1. Flywheel: The flywheel is bolted directly to the Flywheel Housing. This connection ensures that the flywheel can rotate freely while remaining securely attached to the engine. The housing provides the necessary structural support to withstand the flywheel’s inertia and the forces generated during engine operation.

  2. Crankshaft: The Flywheel Housing interfaces with the rear of the crankshaft. This interface is essential for transferring the rotational energy from the crankshaft to the flywheel, enabling the storage and release of energy that helps maintain engine momentum between power strokes.

  3. Clutch Assembly: In manual transmission systems, the Flywheel Housing is part of the clutch assembly. It houses the pressure plate and the clutch disc, which engage with the flywheel to transmit power from the engine to the transmission. The housing ensures that these components are aligned correctly and operate smoothly.

  4. Transmission Bell Housing: The Flywheel Housing connects to the transmission bell housing, forming a critical junction between the engine and the transmission. This connection must be precise to ensure a proper seal and alignment, which is vital for the efficient transfer of power.

  5. Engine Block: The housing is typically bolted to the engine block, providing a stable foundation for the flywheel and other connected components. This attachment point is designed to absorb vibrations and ensure the engine operates smoothly.

  6. Starter Motor: The Flywheel Housing often includes provisions for the starter motor. The starter motor engages with the flywheel to crank the engine during startup, and the housing ensures that this engagement is reliable and efficient.

In summary, the part 3925224 Flywheel Housing plays a role in the engine system by providing a stable and secure mounting point for the flywheel and facilitating the connection between the engine and transmission. Its design and placement are essential for the smooth and efficient operation of the engine.

Conclusion

The 3925224 Flywheel Housing by Cummins is a critical component in the engine systems of heavy-duty trucks. Its role in managing rotational energy, ensuring smooth engine operation, and integrating with key engine components underscores its importance in maintaining the overall performance and efficiency of the vehicle. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential to maximize the lifespan and reliability of this part.


  1. Huzij, R., Spano, A., & Bennett, S. (2019). Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
33.0 x 29.0 x 8.75 in
Weight
83.98 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.