4006223
Flywheel Housing Gasket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,299.95 $1,546.94

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

The Flywheel Housing Gasket (Part #4006223) by Cummins is a component designed to facilitate the operation of commercial trucks. This gasket plays a role in ensuring the proper functioning of the engine by providing a seal between the flywheel housing and the engine block. Its significance lies in maintaining the integrity of the engine system, preventing leaks, and contributing to the overall efficiency of the truck 1.

Basic Concepts

Flywheel housing gaskets are integral to the engine assembly, serving as a barrier that prevents the escape of gases and fluids between the flywheel housing and the engine block. These gaskets are crafted to withstand high temperatures and pressures, ensuring a tight seal that is crucial for the engine’s performance. The sealing process is fundamental to maintaining the engine’s efficiency and longevity, as it prevents the loss of critical fluids and gases that could lead to engine damage or reduced performance 2.

Purpose and Function

The 4006223 Flywheel Housing Gasket is designed to ensure a proper seal between the flywheel housing and the engine block in a truck. This seal is vital for preventing leaks of oil, coolant, and other fluids that could compromise the engine’s operation. By maintaining this seal, the gasket helps to preserve the integrity of the engine system, ensuring that all components function as intended without the risk of contamination or damage from fluid leaks.

Key Features

The 4006223 Flywheel Housing Gasket boasts several key features that enhance its performance and durability. It is composed of materials that are resistant to high temperatures and pressures, ensuring longevity and reliability. The design specifications of this gasket are tailored to fit precisely within the engine assembly, providing a secure and effective seal. Additionally, any unique attributes, such as reinforced edges or specialized coatings, further contribute to its ability to withstand the demanding conditions within a commercial truck engine 3.

Benefits

Utilizing the 4006223 Flywheel Housing Gasket offers several benefits. It contributes to improved engine efficiency by ensuring that all fluids and gases remain within the engine system, where they are needed. This results in reduced risk of leaks, which can lead to engine damage or decreased performance. Furthermore, the gasket enhances the overall reliability of the truck’s powertrain system, providing peace of mind to operators and maintenance personnel alike.

Installation and Maintenance

Proper installation of the 4006223 Flywheel Housing Gasket is crucial for its effectiveness. It is recommended to follow torque specifications and procedures provided by the manufacturer to ensure a secure fit. Routine maintenance practices, such as regular inspections for signs of wear or damage, are important to keep the gasket in optimal condition. These practices help to identify potential issues before they lead to gasket failure, ensuring the continued reliability of the engine system.

Troubleshooting

Common issues with flywheel housing gaskets may include leaks or failure to seal properly. These problems can often be diagnosed through visual inspections or by monitoring the engine’s performance for signs of fluid loss or contamination. Addressing these issues promptly, through replacement or repair of the gasket, is important to prevent further damage to the engine. Regular inspections and proactive maintenance are key to preventing gasket failure and ensuring the longevity of the engine system.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, with a history of producing high-quality components for commercial vehicles. The company’s reputation is built on a commitment to innovation, quality, and reliability. Cummins’ flywheel housing gaskets, including the 4006223, are designed with these principles in mind, offering commercial truck operators a component that is both durable and efficient.

Compatibility

The 4006223 Flywheel Housing Gasket is designed to fit a variety of Cummins engines, ensuring a secure seal between the flywheel housing and the engine block. This gasket is essential for maintaining the integrity of the engine’s sealing system, preventing leaks, and ensuring optimal performance.

QSK45 CM500 and QSK60 CM500

The 4006223 gasket is compatible with the QSK45 CM500 and QSK60 CM500 engines. These engines are part of the Cummins QSK series, known for their reliability and efficiency in various applications, including marine and industrial use. The gasket ensures a tight seal, which is crucial for the performance and longevity of these engines.

QSK60 CM850 MCRS and QSK60 G CM2358 K110

The 4006223 gasket also fits the QSK60 CM850 MCRS and QSK60 G CM2358 K110 engines. These engines are part of the Cummins QSK series, designed for heavy-duty applications. The MCRS variant is equipped with a Marine Control and Reduction System, while the CM2358 K110 variant includes additional features for specific operational needs. The gasket is essential for maintaining the seal in these high-performance engines.

QSK60G

The QSK60G engine is another variant where the 4006223 gasket is applicable. This engine is part of the Cummins QSK series and is designed for demanding applications. The gasket ensures that the flywheel housing is properly sealed, which is critical for the engine’s efficiency and durability.

QSK78 CM500

Finally, the 4006223 gasket is also compatible with the QSK78 CM500 engine. This engine is part of the Cummins QSK series and is known for its robust design and high performance. The gasket plays a vital role in maintaining the seal and preventing any potential leaks, ensuring the engine operates at peak efficiency.

Role of Part 4006223 Flywheel Housing Gasket in Engine Systems

The 4006223 Flywheel Housing Gasket is an essential component in ensuring the proper functioning and sealing of various engine systems. This gasket is specifically designed to fit between the flywheel housing and the engine block, providing a seal that prevents oil and other fluids from leaking out while maintaining the integrity of the combustion process.

Integration with the Housing and Flywheel

When the flywheel housing is bolted to the engine block, the 4006223 gasket is placed in between to create a tight seal. This is important for several reasons:

  • Sealing: The gasket ensures that no oil or other fluids escape from the housing, which could lead to contamination or loss of lubrication.
  • Vibration Dampening: By providing a cushioned interface, the gasket helps in reducing the transmission of vibrations from the flywheel to the engine block.
  • Alignment: It assists in properly aligning the flywheel with the crankshaft, ensuring smooth operation of the engine.

Coordination with Lower Accessory Gasket Set

The lower accessory gasket set is another component that works in conjunction with the 4006223 gasket. This set typically includes gaskets for various lower engine accessories such as the oil pump, timing cover, and balance shaft, among others. The flywheel housing gasket complements these by:

  • Consistent Sealing: Ensuring a uniform seal across all lower engine components, which is vital for maintaining oil pressure and preventing leaks.
  • Thermal Barrier: Acting as a barrier to heat, protecting sensitive components from excessive temperatures generated during engine operation.

Interaction with Lower Block Gasket Kit and Sets

The lower block gasket kit and the lower block gasket set are comprehensive solutions that include multiple gaskets required for the lower portion of the engine block. The 4006223 gasket fits into this system by:

  • Comprehensive Sealing Solution: Providing an additional layer of sealing that works in harmony with the lower block gaskets to ensure the entire lower engine section is well-sealed.
  • Modular Approach: Allowing for easier maintenance and replacement, as the flywheel housing gasket can be replaced independently without disturbing the lower block gaskets.

Synergy with Lower Engine Gasket Set

The lower engine gasket set is a more extensive collection of gaskets designed to cover all lower engine components. The 4006223 gasket is a specific part of this set, offering:

  • Specialized Function: While the lower engine gasket set provides a broad coverage, the 4006223 gasket offers a specialized seal for the flywheel housing, addressing unique requirements in that area.
  • Enhanced Reliability: By ensuring a dedicated seal for the flywheel housing, the overall reliability and performance of the lower engine components are enhanced.

Conclusion

In summary, the 4006223 Flywheel Housing Gasket plays a significant role in the engine’s lower section by providing essential sealing, vibration dampening, and alignment functions. Its integration with other gaskets such as the lower accessory gasket set, lower block gasket kit and sets, and the lower engine gasket set ensures a comprehensive sealing solution that contributes to the engine’s overall efficiency and durability.


  1. Trzesniowski, Michael. The Complete Vehicle. Springer Nature, 2023.

  2. Hilgers, Michael. Transmissions and Drivetrain Design. Springer Vieweg, 2022.

  3. Boyce, Meherwan P. Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing, 2002.

SPECIFICATIONS

Service Part Topic
02T0-8
Package Dimensions
86.0 x 82.0 x 0.5 in
Weight
1.61 lb
* 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.