3969170
Oil Drain Connection
Cummins®

Introduction

The Cummins 3969170 Oil Drain Fitting is a component designed for use in heavy-duty trucks. Its purpose is to facilitate the efficient drainage of engine oil during maintenance procedures. This fitting plays a role in ensuring that oil changes are conducted smoothly, which is important for maintaining the health and performance of the engine.

Basic Concepts of Oil Drain Fittings

An oil drain fitting is a part of the engine system that allows for the controlled release of oil from the oil pan. Regular oil changes are important for engine health as they help remove contaminants and degrade engine oil, which can otherwise lead to increased wear on engine components. The fitting ensures that the oil is drained completely and efficiently, minimizing the risk of spills and ensuring that the new oil added will be effective ¹.

Purpose of the Cummins 3969170 Oil Drain Fitting

The Cummins 3969170 Oil Drain Fitting is specifically designed to enhance the operation and maintenance of heavy-duty trucks. It facilitates efficient oil drainage, which is a key aspect of routine maintenance. By ensuring that old oil is completely removed from the engine, this fitting helps maintain the cleanliness of the engine system, contributing to overall engine performance and longevity ².

Key Features

The Cummins 3969170 Oil Drain Fitting is characterized by its robust design and material properties. It is made from materials that offer corrosion resistance, which is particularly important in the harsh environments that heavy-duty trucks often operate in. The fitting is also designed for ease of use, allowing for quick and efficient oil changes. These features contribute to the fitting’s performance and durability ³.

Benefits of Using the Cummins 3969170 Oil Drain Fitting

Incorporating the Cummins 3969170 Oil Drain Fitting into truck maintenance routines offers several advantages. It contributes to improved engine performance by ensuring that oil changes are conducted efficiently. This, in turn, can lead to increased engine longevity and more efficient maintenance practices, as the fitting is designed to withstand the rigors of heavy-duty use.

Installation Process

Installing the Cummins 3969170 Oil Drain Fitting involves several steps to ensure it is properly secured and functions as intended. It is important to follow best practices during installation to avoid common pitfalls such as leaks or improper sealing. Detailed instructions should be consulted to ensure the fitting is installed correctly, which will contribute to its effectiveness and durability.

Troubleshooting and Maintenance

Identifying and resolving common issues related to oil drain fittings, such as leaks or corrosion, is important for maintaining the fitting’s performance. Regular maintenance practices, including inspections for wear or damage, can help ensure the longevity and optimal performance of the Cummins 3969170 Oil Drain Fitting. Addressing issues promptly can prevent more significant problems down the line.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and a commitment to quality, Cummins offers a comprehensive product range that includes engines, filtration, emissions solutions, and more. The company’s dedication to excellence is reflected in its products, including the Cummins 3969170 Oil Drain Fitting.

Cummins Oil Drain Fitting 3969170 Compatibility

The Cummins Oil Drain Fitting part number 3969170 is designed to fit seamlessly with a variety of Cummins engines, ensuring efficient oil drainage and maintenance. This fitting is engineered to meet the specific requirements of the following engines:

ISL G CM2180

The ISL G CM2180 engine benefits from the precise fit and reliable performance of the 3969170 Oil Drain Fitting. This component ensures that oil is drained effectively, maintaining the engine’s optimal performance and longevity.

L GAS PLUS CM556

For the L GAS PLUS CM556 engine, the 3969170 Oil Drain Fitting provides a function in the oil management system. Its design ensures that oil is drained without leaks, contributing to the engine’s overall efficiency and reliability.

QSC8.3 CM850 (CM2850)

The QSC8.3 CM850 (CM2850) engine also integrates the 3969170 Oil Drain Fitting, which is for maintaining the engine’s oil levels and quality. This fitting is crafted to fit perfectly, ensuring that the oil drainage process is smooth and efficient.

By using the 3969170 Oil Drain Fitting, technicians and operators can ensure that their Cummins engines are well-maintained, with reliable oil drainage that supports overall engine health and performance.

Role of Part 3969170 Oil Drain Fitting in Engine Systems

The 3969170 Oil Drain Fitting is a component in the maintenance and operation of engine systems, particularly in facilitating the efficient draining of oil from the engine. This fitting is strategically integrated into the engine’s oil management system, working in conjunction with several key components to ensure optimal engine performance and longevity.

Integration with the Engine Cover

The oil drain fitting is typically located at the lower part of the engine cover, which serves as a protective enclosure for the engine’s internal components. The fitting is designed to interface seamlessly with the cover, allowing for easy access during oil change procedures. The precise placement of the fitting ensures that it aligns perfectly with the drainage channels within the cover, enabling a smooth and controlled flow of oil out of the engine. This integration is vital for maintaining the integrity of the oil management system, as it prevents oil leaks and ensures that the draining process is both efficient and clean.

Coordination with the Hand Hole

In many engine designs, the hand hole—a small opening in the engine cover—is positioned near the oil drain fitting. This proximity is not coincidental; it allows mechanics to use the hand hole to manually manipulate components inside the engine, such as oil filters or other obstructions, to facilitate a more complete oil drain. The hand hole provides a direct line of sight and access, enabling technicians to ensure that all oil is effectively drained from the engine. This coordination between the oil drain fitting and the hand hole enhances the overall efficiency of maintenance procedures, reducing the risk of residual oil buildup that could lead to contamination and decreased engine performance.

Overall Functionality

The 3969170 Oil Drain Fitting plays a role in the engine’s oil management system by providing a reliable and efficient means of draining oil. Its integration with the engine cover and coordination with the hand hole ensure that maintenance tasks are performed with precision and minimal disruption to the engine’s operation. This component is a testament to the meticulous design and engineering that goes into creating a robust and maintainable engine system.

Conclusion

The Cummins 3969170 Oil Drain Fitting is a critical component for maintaining the efficiency and performance of heavy-duty truck engines. Its robust design, ease of use, and compatibility with various Cummins engines make it an invaluable part of routine maintenance procedures. By ensuring efficient oil drainage, this fitting contributes to the overall health and longevity of the engine, demonstrating Cummins’ commitment to quality and innovation in engine technology.