4936351
Lubricating Oil Drain Tube
Cummins®

The Cummins 4936351 Lubricating Oil Drain Tube is a component designed for use in heavy-duty truck engines. Its primary function is to facilitate the draining of used lubricating oil from the engine during maintenance procedures. This part plays a role in the engine’s maintenance by ensuring that the engine operates efficiently and remains in optimal condition over time ¹.

Function and Operation

The Lubricating Oil Drain Tube operates as part of the engine’s oil management system. When it is time to change the engine oil, this tube provides a pathway for the used oil to exit the engine. It is typically connected to the oil pan and is equipped with a drain plug that can be removed to allow oil to flow out. The design of the tube ensures that oil is directed away from the engine and into a collection container, making the process of oil changes more efficient and less messy ².

Key Features

The 4936351 is constructed from durable materials to withstand the high temperatures and pressures within an engine environment. It features precise threading to ensure a secure fit with the drain plug, preventing leaks during operation. The tube is also designed to be compatible with standard oil change procedures, allowing for straightforward installation and removal ³.

Benefits

The use of the 4936351 offers several advantages. It enables efficient oil drainage, which is vital for timely maintenance. The design of the tube contributes to ease of use during oil changes, reducing the risk of spills and making the process quicker. Additionally, by ensuring that old oil is effectively removed from the engine, the tube helps maintain engine performance and longevity.

Installation and Usage

To install the 4936351, first, ensure the engine is cool and the vehicle is parked on a level surface. Position a suitable oil collection container beneath the drain tube. Remove the existing drain plug, if present, and thread the tube into place. When performing an oil change, simply unscrew the tube to allow oil to drain, then re-secure it once the oil has been completely removed.

Maintenance and Troubleshooting

Regular maintenance of the 4936351 involves checking for any signs of wear or damage, such as cracks or corrosion, which could affect its sealing capability. If the tube becomes difficult to remove or if oil leaks are noticed, it may be necessary to replace the tube or the drain plug to ensure a proper seal. Keeping the area around the tube clean can also help prevent contaminants from entering the engine during oil changes.

Compatibility and Applications

The 4936351 is designed for use with specific Cummins engine models. It is commonly applied in various heavy-duty truck applications where reliable oil management is crucial for engine performance and durability.

Manufacturer Information

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality engine components and systems. With a history of innovation and a strong reputation for reliability, Cummins continues to be a leading provider of diesel engines and related technologies, committed to enhancing the performance and efficiency of vehicles across the globe.

Compatibility

The 4936351 is compatible with several engine models, including Chrysler ISB Engines and a range of Cummins engines. This compatibility ensures that the drain tube can be used in a wide array of applications, from industrial to commercial and beyond.

Role in Engine Systems

The 4936351 plays a role in the maintenance and operation of various engine systems. Its primary function is to facilitate the efficient drainage of used lubricating oil from the engine, ensuring that the oil change process is smooth and effective.

Integration with Crankcase Breather System

In engines equipped with a crankcase breather system, the 4936351 works in conjunction to maintain optimal engine performance. The crankcase breather allows for the release of pressure built up within the crankcase, which can occur due to the combustion process. As the breather system expels gases, it helps prevent the accumulation of contaminants that could otherwise mix with the lubricating oil. The drain tube ensures that when it’s time to change the oil, any contaminants that have been separated from the oil are effectively removed, contributing to the overall cleanliness of the engine’s internal components.

Function within the Long Block Assembly

When considering the long block—which typically includes the cylinder block, crankshaft, pistons, and other essential components—the 4936351 plays a significant role in maintaining the integrity of these parts. Regular oil changes, facilitated by the drain tube, help prevent the buildup of sludge and other deposits that can form on critical engine components. This maintenance practice is vital for the longevity and efficiency of the long block, ensuring that all moving parts continue to operate smoothly and reduce wear over time.

Importance in Long Block Kit Installations

For engines that are being rebuilt or upgraded using a long block kit, the 4936351 is a component that should not be overlooked. During the installation process of a long block kit, ensuring that the drain tube is correctly positioned and sealed is important for the initial setup. This attention to detail during installation contributes to the ease of future maintenance, such as oil changes, which are necessary to keep the newly installed long block in optimal condition.

Conclusion

In summary, the 4936351, while seemingly simple, plays a significant role in the maintenance and efficiency of engine systems. Its proper function and installation are important for the health and performance of the engine, particularly when integrated with systems like the crankcase breather and within the context of long block and long block kit assemblies.