4068166
Flywheel Housing Gasket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$679.95 $809.14

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 #4068166) by Cummins is a component designed to ensure the proper functioning of heavy-duty truck engines. This gasket is integral to maintaining the integrity of the engine assembly, particularly in the area where the flywheel is housed. Cummins, a well-respected manufacturer in the automotive industry, produces this gasket with a focus on durability and performance 1.

Basic Concepts

Flywheel housing gaskets serve as seals between the engine block and the flywheel housing. Their primary role is to prevent leaks of oil and other fluids that could compromise engine performance. These gaskets are typically constructed from materials that can withstand high temperatures and pressures, such as composite materials or metal. The choice of material is crucial for ensuring the gasket can endure the demanding conditions within an engine 2.

Purpose and Function

The Flywheel Housing Gasket (Part #4068166) plays a role in the operation of a truck by sealing the junction between the engine block and the flywheel housing. This seal is vital for maintaining the engine’s lubrication system integrity, preventing oil leaks that could lead to decreased performance or damage. Additionally, the gasket helps in maintaining the proper alignment and operation of the flywheel, which is crucial for smooth engine operation and durability.

Key Features

The Cummins Flywheel Housing Gasket is characterized by its robust design and material composition. It is made from high-quality materials that offer resistance to thermal and mechanical stresses. The gasket’s design ensures a tight seal, which is crucial for preventing leaks. Additionally, it is engineered to accommodate the specific contours of Cummins engines, ensuring a precise fit and optimal performance.

Benefits

Using the Cummins Flywheel Housing Gasket offers several advantages. It contributes to improved engine efficiency by ensuring a secure seal that prevents oil leaks. This, in turn, helps maintain the engine’s lubrication system, leading to smoother operation and reduced wear on engine components. Furthermore, the gasket’s durable construction enhances the longevity of the engine by protecting it from potential damage caused by leaks.

Installation and Maintenance

Proper installation of the Flywheel Housing Gasket is crucial for its effectiveness. It should be placed correctly between the engine block and the flywheel housing, ensuring it is not twisted or misaligned. Regular maintenance checks are recommended to ensure the gasket remains in good condition. This includes inspecting for signs of wear or damage and replacing the gasket if necessary to prevent potential leaks.

Troubleshooting

Common issues with flywheel housing gaskets include leaks, which can often be identified by oil stains or a drop in oil levels. Diagnostic methods may involve visual inspections or pressure tests to locate the source of the leak. Recommended solutions typically involve replacing the gasket to restore the seal and prevent further leaks.

Cummins Overview

Cummins Inc. has a long-standing reputation in the automotive industry for producing high-quality components for heavy-duty trucks. Founded with a commitment to innovation and excellence, Cummins continues to be a leader in engine technology, providing reliable and durable parts that meet the demanding requirements of heavy-duty applications.

Cummins Flywheel Housing Gasket 4068166 Compatibility

The Cummins Flywheel Housing Gasket part number 4068166 is designed to fit seamlessly with several specific engine models. This gasket is crucial for ensuring a proper seal between the flywheel housing and the engine block, preventing leaks and maintaining engine efficiency.

QST30 Series

The Flywheel Housing Gasket 4068166 is compatible with the following QST30 engines:

  • QST30 CM2350 T101
  • QST30 CM552

These engines are part of the QST30 series, which are known for their robust design and reliability in various industrial applications. The gasket ensures that the flywheel housing is properly sealed, which is essential for maintaining the engine’s performance and longevity.

Installation Considerations

When installing the Flywheel Housing Gasket 4068166 on these engines, it is important to follow the manufacturer’s guidelines to ensure a proper fit and seal. This includes:

  • Thoroughly cleaning the mating surfaces to remove any debris or old gasket material.
  • Ensuring that the gasket is correctly positioned and aligned before securing it in place.
  • Using the appropriate fasteners and torque specifications to avoid over-tightening or under-tightening, which can lead to leaks or damage.

By adhering to these guidelines, the Flywheel Housing Gasket 4068166 will provide a reliable seal, contributing to the overall efficiency and durability of the engine.

Role of Part 4068166 Flywheel Housing Gasket in Engine Systems

The 4068166 Flywheel Housing Gasket is an essential component in the assembly and operation of engine systems, specifically in the interface between the flywheel housing and the flywheel. This gasket ensures a secure and sealed connection, preventing any leakage of fluids or gases that could compromise engine performance.

Integration with Flywheel Housing

When the flywheel housing is bolted to the engine block, the 4068166 gasket is placed between the housing and the mating surface of the engine. This placement is vital for several reasons:

  • Sealing: The gasket creates a tight seal that prevents oil, coolant, or other fluids from escaping. This is particularly important in engines where the flywheel housing may be in close proximity to fluid passages or the sump.

  • Vibration Dampening: The gasket also helps in absorbing vibrations transmitted from the flywheel to the housing. This can contribute to a smoother operation of the engine and reduce wear on both the housing and the flywheel.

Interaction with the Flywheel

The flywheel, a heavy rotating disc attached to the crankshaft, stores rotational energy and smooths out the power delivery from the engine’s cylinders. The 4068166 gasket plays a role here by:

  • Maintaining Alignment: Ensuring that the flywheel is properly aligned with the housing, which is critical for the efficient transfer of power from the engine to the transmission.

  • Thermal Barrier: Acting as a barrier to heat transfer between the flywheel and the housing, helping to maintain optimal operating temperatures for both components.

Overall System Impact

In the broader context of the engine system, the proper installation of the 4068166 Flywheel Housing Gasket contributes to:

  • Efficiency: By maintaining seals and alignments, the gasket helps in ensuring that the engine operates at peak efficiency.

  • Durability: Reducing leaks and vibrations can lead to extended lifespans for both the flywheel and the housing, as well as other connected components.

  • Performance: A well-sealed and aligned flywheel system can lead to more consistent power delivery and better overall engine performance.

Conclusion

The Cummins Flywheel Housing Gasket (Part #4068166) is a critical component for maintaining the integrity and efficiency of heavy-duty truck engines. Its robust design, material composition, and precise fit ensure a secure seal that prevents leaks, maintains alignment, and dampens vibrations. Proper installation and maintenance of this part are essential for optimal engine performance and longevity.


  1. Mollenhauer, Klaus, and Helmut Tschoeke. Handbook of Diesel Engines. Springer, 2010.

  2. Reif, Konrad. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

SPECIFICATIONS

Package Dimensions
18.3 x 16.8 x 12.8 in
Weight
2.45 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.