4900386
Lubricating Oil Pump Gasket
Cummins®

The Lubricating Oil Pump Gasket, identified by part number 4900386, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This gasket is integral to the operation of heavy-duty truck engines, ensuring the efficient functioning of the lubrication system. Cummins is recognized for its commitment to producing high-quality components that enhance engine performance and reliability ¹.

Function and Operation

The Lubricating Oil Pump Gasket operates within the engine’s lubrication system by sealing the oil pump. Its primary role is to maintain consistent oil pressure and prevent oil leaks, which are vital for the engine’s lubrication needs. By creating a secure seal, the gasket ensures that oil is effectively circulated throughout the engine, reducing friction between moving parts and contributing to the overall efficiency of the lubrication system ².

Purpose of the Lubricating Oil Pump Gasket

This Cummins part is specifically designed to seal the oil pump in a truck engine. Its function is to ensure that the oil pump operates efficiently by maintaining a tight seal that prevents oil from escaping. This sealing capability is crucial for ensuring that the engine receives the necessary lubrication to function smoothly and reliably ³.

Key Features

The 4900386 is characterized by several key features that enhance its performance. It is made from high-quality materials that are resistant to oil and heat, ensuring durability and reliability. The design of the gasket is tailored to fit precisely within the engine’s oil pump, providing an effective seal. Additionally, the gasket may feature unique attributes such as reinforced edges or specialized coatings to further improve its sealing capabilities and longevity ⁴.

Benefits

Using this Cummins part offers several advantages. It contributes to improved engine reliability by ensuring that the lubrication system operates efficiently. The gasket’s design helps reduce maintenance requirements by minimizing the risk of oil leaks and gasket failure. Furthermore, by maintaining optimal oil pressure and circulation, the gasket enhances the overall performance of the engine, leading to smoother operation and potentially extending the engine’s lifespan ⁵.

Installation and Maintenance

Proper installation of the Lubricating Oil Pump Gasket is crucial for its effectiveness. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and optimal sealing. Regular maintenance practices, such as checking for signs of wear or damage and replacing the gasket as needed, are recommended to ensure longevity and optimal performance. Following these guidelines can help prevent common issues such as oil leaks and ensure the gasket continues to function effectively ⁶.

Troubleshooting Common Issues

Typical problems associated with Lubricating Oil Pump Gaskets include oil leaks and gasket failure. These issues can often be traced back to improper installation, wear and tear, or exposure to extreme conditions. Troubleshooting steps may involve inspecting the gasket for damage, ensuring it is properly seated, and replacing it if necessary. Addressing these issues promptly can help maintain the efficiency of the lubrication system and prevent more significant engine problems ⁷.

Cummins Overview

Cummins is a reputable manufacturer with a long-standing history in the automotive and heavy-duty truck industry. Known for its commitment to quality and innovation, Cummins produces a wide range of components designed to enhance engine performance and reliability. The company’s reputation is built on its dedication to producing high-quality parts that meet the demanding requirements of heavy-duty applications ⁸.

Cummins Lubricating Oil Pump Gasket 4900386 Compatibility

The Cummins Lubricating Oil Pump Gasket part number 4900386 is designed to fit seamlessly with a range of Cummins engines, ensuring a secure seal and optimal performance. This gasket is critical for maintaining the integrity of the oil system by preventing leaks at the oil pump interface.

A1400 and A1700 Engines

The gasket 4900386 is compatible with both the A1400 and A1700 engines. These engines, while differing in displacement, share similar design elements that allow the gasket to fit effectively. The gasket’s material and dimensions are tailored to accommodate the specific mounting points and contours of these engines, ensuring a reliable seal.

A2000 and A2300 Engines

Similarly, the A2000 and A2300 engines are also designed to work with the Cummins Lubricating Oil Pump Gasket 4900386. These engines, larger in displacement compared to the A1400 and A1700, have slightly different configurations. However, the gasket’s design flexibility allows it to adapt to these variations, providing a consistent and effective seal.

Grouping for Ease of Use

For ease of use, the gasket 4900386 can be grouped into two categories based on engine displacement:

• Smaller Displacement Engines: A1400 and A1700
• Larger Displacement Engines: A2000 and A2300

This grouping helps users quickly identify the appropriate gasket for their specific engine model, ensuring compatibility and ease of installation.

Role of Part 4900386 Lubricating Oil Pump Gasket in Engine Systems

The lubricating oil pump gasket, identified by part number 4900386, is an essential component in the assembly and operation of engine systems. This gasket is specifically designed to ensure a secure and leak-free seal between the lubricating oil pump and the engine block or the pump housing.

When integrating the lubricating oil pump gasket into engine systems, it functions as a barrier that prevents oil leakage. This is vital for maintaining the integrity of the lubrication system, ensuring that oil is efficiently circulated throughout the engine components.

The gasket works in conjunction with the gasket set, which includes various seals and gaskets used throughout the engine to prevent fluid leaks and maintain pressure. The lubricating oil pump, a key component in the engine’s lubrication system, relies on the gasket to create a tight seal. This allows the pump to draw oil from the sump and deliver it under pressure to critical engine parts such as bearings, pistons, and camshafts.

Effective sealing by the lubricating oil pump gasket ensures that the pump can operate efficiently, providing consistent oil pressure necessary for reducing friction and wear on moving parts. This, in turn, contributes to the overall reliability and performance of the engine system ⁹.

Conclusion

The Lubricating Oil Pump Gasket, part number 4900386, plays a critical role in the efficient operation of heavy-duty truck engines. By ensuring a secure seal and preventing oil leaks, this Cummins part contributes to the reliability and performance of the engine’s lubrication system. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for maximizing the benefits of this gasket. Cummins’ commitment to quality and innovation is evident in the design and functionality of this component, making it a valuable asset in heavy-duty engine applications.