4991651
Turbo Oil Supply Tube
Cummins®

The Turbocharger Oil Supply Tube, identified by part number 4991651, is a component manufactured by Cummins, a leading name in the commercial truck engine industry. This tube plays a role in the operation of heavy-duty truck engines by facilitating the delivery of oil to the turbocharger. Understanding its function and significance is key to maintaining engine efficiency and longevity.

Basic Concepts

To grasp the importance of the Turbocharger Oil Supply Tube, it is beneficial to first understand the fundamental principles of turbochargers. A turbocharger is a device that increases an engine’s efficiency and power output by compressing the air entering the engine. This compressed air allows for more fuel to be burned, resulting in greater power. The turbocharger itself operates at high speeds and temperatures, necessitating a reliable lubrication system to ensure its smooth operation and longevity. The oil supply tube is integral to this system, delivering oil to lubricate and cool the turbocharger’s moving parts ¹.

Purpose and Function

The primary role of the Turbocharger Oil Supply Tube in a truck’s engine system is to deliver oil to the turbocharger. This delivery ensures that the turbocharger’s components, such as the turbine and compressor, receive the necessary lubrication to operate efficiently. Proper lubrication is vital for reducing friction and wear on these parts, as well as for dissipating heat generated during operation. By maintaining optimal lubrication, the tube contributes to the turbocharger’s performance and durability ².

Key Features

The 4991651 Turbocharger Oil Supply Tube is designed with several key features that enhance its performance and durability. Constructed from high-quality materials, it is built to withstand the high pressures and temperatures associated with turbocharger operation. Its design includes precise fittings and connections to ensure a secure and leak-free installation. Additionally, the tube may feature unique attributes such as reinforced sections or specialized coatings to further improve its resistance to wear and corrosion.

Benefits

Utilizing the 4991651 Turbocharger Oil Supply Tube offers several benefits. It contributes to improved engine performance by ensuring that the turbocharger operates under optimal conditions. Enhanced turbocharger longevity is another advantage, as consistent and adequate lubrication helps prevent premature wear and failure. Furthermore, the tube’s reliable operation under various driving conditions supports the overall efficiency and reliability of the engine.

Installation and Compatibility

Proper installation of the Turbocharger Oil Supply Tube is crucial for its effective operation. It should be installed according to the manufacturer’s guidelines, which may include specific torque settings for connections and verification of system pressures post-installation. Compatibility with various Cummins engine models is an important consideration, ensuring that the tube fits and functions correctly within the intended engine system.

Maintenance and Troubleshooting

Routine maintenance of the Turbocharger Oil Supply Tube is important for its longevity and efficiency. This includes regular inspections for signs of wear, leaks, or damage, and ensuring that connections remain secure and free from obstructions. Troubleshooting common issues related to oil supply and turbocharger performance may involve checking for proper oil flow, inspecting for leaks in the oil supply system, and verifying the condition of the turbocharger’s moving parts.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s commitment to excellence is evident in its wide range of products, including engine components like the Turbocharger Oil Supply Tube, which are designed to meet the demanding requirements of heavy-duty applications.

Turbocharger Oil Supply Tube (Part 4991651) in Cummins Engines

The Turbocharger Oil Supply Tube, identified by part number 4991651, is a component in the lubrication system of certain Cummins engines. This part is designed to ensure that the turbocharger receives an adequate supply of oil, which is essential for its proper operation and longevity.

Application in Cummins Engines

The Turbocharger Oil Supply Tube is specifically engineered to fit the following Cummins engines:

• QSB6.7 CM2250

This part is integral to the engine’s lubrication system, ensuring that the turbocharger is properly lubricated. The turbocharger relies on a steady supply of oil to reduce friction and wear, maintain optimal performance, and prevent overheating. The oil supply tube facilitates this by directing oil from the engine’s oil system to the turbocharger, ensuring that it operates smoothly and efficiently.

Importance of the Turbocharger Oil Supply Tube

The Turbocharger Oil Supply Tube plays a role in the overall health and performance of the engine. By providing a reliable oil supply to the turbocharger, it helps to:

• Reduce Friction: Minimizes wear and tear on the turbocharger components.
• Maintain Performance: Ensures that the turbocharger operates at peak efficiency.
• Prevent Overheating: Helps to dissipate heat generated by the turbocharger, preventing damage.
• Extend Lifespan: Contributes to the longevity of the turbocharger and the engine as a whole.

Installation and Maintenance

Proper installation and maintenance of the Turbocharger Oil Supply Tube are essential to ensure its effectiveness. This includes:

• Correct Fitment: Ensuring that the part is correctly aligned and securely fitted to prevent leaks.
• Regular Inspection: Checking for any signs of wear, damage, or leaks during routine maintenance.
• Timely Replacement: Replacing the part if any issues are detected to avoid potential engine damage.

By adhering to these practices, the Turbocharger Oil Supply Tube can continue to perform its vital function, contributing to the overall reliability and performance of the engine.

Role of Part 4991651 Turbocharger Oil Supply Tube in Engine Systems

The Turbocharger Oil Supply Tube, identified by part number 4991651, is integral to the efficient operation of turbocharged engine systems. This component is responsible for delivering pressurized oil from the engine’s lubrication system to the turbocharger.

In the context of plumbing, the Turbocharger Oil Supply Tube acts as a conduit, ensuring a consistent and reliable flow of oil. This is essential for lubricating the turbocharger’s bearings and other moving parts, which operate at high speeds and under significant stress. Proper lubrication reduces friction and wear, contributing to the longevity and performance of the turbocharger.

For the turbocharger, the oil supply tube is a vital link in the lubrication chain. The turbocharger relies on a steady supply of oil to maintain optimal performance and durability. The oil not only lubricates but also cools the turbocharger, helping to manage thermal loads and prevent overheating.

In summary, the Turbocharger Oil Supply Tube (part 4991651) plays a role in maintaining the operational integrity of both the plumbing system and the turbocharger within the engine. Its proper function ensures that the turbocharger receives the necessary lubrication and cooling, which are essential for efficient and reliable engine performance ³.

Conclusion

The Turbocharger Oil Supply Tube, part number 4991651, is a critical component in the lubrication system of Cummins engines. Its role in delivering oil to the turbocharger ensures optimal performance, reduces friction, prevents overheating, and extends the lifespan of the turbocharger and engine. Proper installation, maintenance, and timely replacement are essential practices to ensure the effectiveness and longevity of this Cummins part.