3919503
Lubricating Oil Drain Tube
Cummins®

The Lubricating Oil Drain Tube, identified by Part #3919503, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This part is integral to the maintenance regimen of heavy-duty trucks, facilitating the efficient draining of used oil from the engine. Regular oil changes are a fundamental aspect of engine maintenance, ensuring the engine operates smoothly and efficiently over its lifespan ¹.

Function and Operation

The Lubricating Oil Drain Tube operates as a conduit within the engine system, specifically designed to allow the easy and complete drainage of used oil. When it is time for an oil change, the tube provides a direct path for the oil to exit the engine, minimizing the risk of spills and ensuring that the oil is effectively removed. This process is vital for maintaining engine health, as fresh oil is necessary for proper lubrication, cooling, and cleaning within the engine ².

Key Features

The Lubricating Oil Drain Tube is engineered with specific design and material characteristics to enhance its performance and durability. Constructed from high-quality materials, it is resistant to corrosion and the high temperatures associated with engine operation. Its design ensures a secure fit within the engine, preventing leaks and ensuring that oil is directed away from the engine compartment efficiently ³.

Benefits of Using the Lubricating Oil Drain Tube

Utilizing a high-quality Lubricating Oil Drain Tube, such as the one offered by Cummins, contributes to improved engine efficiency and longevity. By facilitating easy and complete oil changes, it helps maintain the engine’s lubrication system, which is crucial for reducing wear and tear on engine components. Additionally, the ease of maintenance afforded by this part can save time and effort during oil change procedures, making it a valuable component for fleet managers and vehicle owners ⁴.

Installation Process

Installing the Lubricating Oil Drain Tube requires attention to detail and adherence to safety protocols. The process involves securing the tube in place within the engine system, ensuring it is properly aligned and sealed to prevent leaks. Tools required may include wrenches for tightening connections and possibly a sealant to ensure a secure fit. Safety precautions, such as ensuring the engine is cool before beginning work and wearing protective gloves, should be observed throughout the installation process.

Maintenance and Troubleshooting

To ensure the Lubricating Oil Drain Tube operates optimally, regular inspections for signs of wear or damage are recommended. Common issues may include leaks or blockages, which can often be resolved by cleaning the tube or, in more severe cases, replacing it. Troubleshooting should begin with a visual inspection, followed by testing for leaks during an oil change. If problems persist, consulting the manufacturer’s guidelines or a professional mechanic is advised.

Manufacturer - Cummins

Cummins is renowned in the automotive industry for its commitment to producing high-quality components. With a history of innovation and excellence, Cummins has established a reputation for reliability and performance. Their Lubricating Oil Drain Tube is a testament to their dedication to enhancing vehicle maintenance processes, offering a product that combines durability with ease of use.

Compatibility

The Cummins Lubricating Oil Drain Tube, identified by part number 3919503, is designed to facilitate the drainage of used oil from the engine’s sump. This part ensures that the engine operates smoothly by allowing the old oil to be expelled and replaced with fresh oil, which is essential for maintaining engine health and performance.

Engine Compatibility

• 6B5.9 Series Engines

The 6B5.9 series engines, known for their robust design and reliability, are compatible with the Cummins Lubricating Oil Drain Tube part number 3919503. This part is engineered to fit seamlessly within the engine’s architecture, ensuring efficient oil drainage and contributing to the overall longevity and efficiency of the engine.

By integrating the 3919503 drain tube into the 6B5.9 engines, users can expect enhanced engine performance and reduced maintenance needs, as the proper drainage of oil helps prevent sludge buildup and other issues that can compromise engine function.

Role in Compressor and Air Systems

The 3919503 Lubricating Oil Drain Tube is a key component in maintaining the efficiency and longevity of compressor and air systems. In these systems, the drain tube facilitates the removal of used lubricating oil, which is vital for the proper functioning of the compressor.

Compressor Systems

In compressor systems, the lubricating oil drain tube is connected to the compressor’s oil reservoir. As the compressor operates, it generates heat and mechanical stress, which can lead to the degradation of the lubricating oil. The drain tube allows for the periodic removal of this used oil, ensuring that fresh, clean oil is always available to lubricate the moving parts within the compressor. This process helps in reducing wear and tear, enhancing the compressor’s performance, and extending its operational life.

Air Systems

In air systems, particularly those involving pneumatic tools and machinery, the lubricating oil drain tube plays a similarly important role. These systems often use compressed air to power various tools and equipment. The compressor in these systems also relies on lubricating oil to ensure smooth operation. The drain tube allows for the regular discharge of contaminated oil, which can become mixed with air and moisture over time. By maintaining clean oil levels, the drain tube helps in preventing the formation of sludge and other contaminants that can clog air filters and reduce the efficiency of pneumatic tools.

Conclusion

The 3919503 Lubricating Oil Drain Tube by Cummins plays a significant role in the maintenance of heavy-duty trucks, offering a reliable solution for efficient oil changes. Its design and material characteristics ensure durability and performance, while its ease of installation and maintenance make it a practical choice for fleet managers and vehicle owners alike.