4939164
Valve Cover
Cummins®

The Valve Cover Assembly 4939164 by Cummins is a component designed for use in commercial trucks. Its purpose is to encase and protect the valve train components within an engine. This assembly is significant in maintaining the integrity and efficiency of the engine by providing a seal against oil leaks and external contaminants.

Basic Concepts of Valve Cover Assembly

A Valve Cover Assembly is a protective enclosure for the valve train components of an engine. It consists of a cover, gaskets, and sometimes additional components like breather tubes and PCV (Positive Crankcase Ventilation) valves. The assembly functions by sealing the top of the engine, preventing oil leaks, and allowing for the circulation of air to manage pressure within the crankcase ¹.

Role of Valve Cover Assembly in Truck Operation

This Cummins part plays a role in the operation of a truck by protecting the valve train components from dirt, debris, and other contaminants. It also helps in managing emissions by ensuring that the PCV system functions correctly, allowing crankcase gases to be routed back into the intake system rather than being released into the atmosphere. Additionally, it contributes to maintaining optimal engine performance by keeping the valve train lubricated and cool ².

Key Features of Valve Cover Assembly 4939164

The Valve Cover Assembly 4939164 is constructed from durable materials that provide resistance to heat and corrosion. Its design includes precise gasket placement to ensure a tight seal, minimizing the risk of oil leaks. Unique characteristics such as integrated breather systems and PCV valve ports enhance its performance by efficiently managing crankcase pressure and emissions.

Benefits of Using Valve Cover Assembly 4939164

Using the Valve Cover Assembly 4939164 offers several benefits. It provides improved engine protection by safeguarding the valve train components. The durable construction enhances the assembly’s longevity, reducing the frequency of replacements. Additionally, the efficient management of crankcase pressure and emissions can lead to potential cost savings over time by improving engine efficiency and reducing the need for frequent maintenance ³.

Troubleshooting and Maintenance Suggestions

Common issues with Valve Cover Assemblies include oil leaks, which can often be traced to a failed gasket or improper installation. Regular inspection and maintenance can help identify these issues early. To ensure optimal performance, it is recommended to follow the manufacturer’s guidelines for torque specifications during installation and to use high-quality gaskets. Additionally, keeping the engine clean and free of debris can prolong the lifespan of the Valve Cover Assembly.

Installation and Replacement Guidelines

Installing or replacing the Valve Cover Assembly 4939164 requires several steps. Begin by ensuring the engine is cool and disconnected from any power sources. Remove the old assembly by unscrewing the bolts and carefully lifting it off. Inspect the gasket and replace it if necessary. Place the new Valve Cover Assembly onto the engine, ensuring it aligns correctly with all ports and fittings. Secure it with the provided bolts, following the torque specifications to avoid over-tightening. Finally, perform a visual inspection to ensure there are no gaps or misalignments.

Common Myths and Misconceptions

There are several myths and misconceptions surrounding Valve Cover Assemblies. One common myth is that Valve Cover Assemblies do not significantly impact engine performance. In reality, they play a role in protecting engine components and managing emissions. Another misconception is that Valve Cover Assemblies are universally interchangeable. It is important to use the correct assembly for the specific engine model to ensure proper fit and function.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. Founded in 1919, Cummins has built a reputation for quality and innovation in the commercial truck industry. The company is committed to providing reliable and efficient power solutions that meet the demanding needs of commercial applications.

Valve Cover Assembly Part 4939164 Compatibility with Cummins Engines

The Valve Cover Assembly part number 4939164, manufactured by Cummins, is designed to fit seamlessly with specific Cummins engine models. This part is integral to the engine’s operation, providing a protective cover for the valve train components and ensuring the engine’s internal mechanisms are shielded from contaminants.

C GAS PLUS CM556

The C GAS PLUS CM556 engine is one of the models that benefit from the 4939164 Valve Cover Assembly. This part ensures that the engine’s valve train components are adequately protected, maintaining the engine’s efficiency and longevity.

ISL G CM2180

Similarly, the ISL G CM2180 engine is another model that is compatible with the 4939164 Valve Cover Assembly. This part is crucial for maintaining the integrity of the engine’s valve train, ensuring that the engine operates smoothly and efficiently.

Grouping of Compatible Engines

The 4939164 Valve Cover Assembly is engineered to fit a range of Cummins engines, including but not limited to the C GAS PLUS CM556 and ISL G CM2180. This compatibility ensures that the part can be used across various engine models, providing a standardized solution for maintaining the engine’s valve train components.

Role of Part 4939164 Valve Cover Assembly in Engine Systems

The part 4939164 Valve Cover Assembly is an integral component in the arrangement of various engine systems. It is designed to encapsulate and protect the valve train components, which include the camshaft, rocker arms, and valve springs. This assembly ensures that these components operate within a sealed environment, preventing oil leaks and contaminants from entering the valve train area.

In the context of the valve cover, the 4939164 Valve Cover Assembly plays a role in maintaining the integrity of the engine’s lubrication system. It is fitted over the cylinder head and secured with bolts, creating a tight seal that retains engine oil within the crankcase. This seal is essential for consistent oil pressure, which is vital for the proper functioning of the engine’s moving parts.

Additionally, the Valve Cover Assembly often incorporates passages for Positive Crankcase Ventilation (PCV) system components. These passages allow for the regulated flow of crankcase gases back into the intake manifold, reducing emissions and improving engine efficiency. The assembly may also house spark plug wires or coil-on-plug ignition components, depending on the engine’s design.

Furthermore, the 4939164 Valve Cover Assembly contributes to the engine’s overall structural integrity. It provides a mounting surface for various engine accessories, such as the camshaft position sensor, which is critical for engine timing and performance. The assembly also aids in dissipating heat from the valve train, helping to maintain optimal operating temperatures.

Conclusion

In summary, the 4939164 Valve Cover Assembly is a multifaceted component that ensures the protection, lubrication, and efficient operation of the engine’s valve train and related systems. Its role in maintaining engine integrity, managing emissions, and contributing to overall engine performance makes it a critical part of Cummins engine systems.