5266253
Turbocharger Oil Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$129.95 $154.64

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Turbocharger Oil Supply Tube, identified by Part #5266253, is a component manufactured by Cummins, a leader in diesel engine technology. This tube plays a significant role in the operation of heavy-duty truck engines by facilitating the delivery of lubrication to the turbocharger. Understanding its function and importance can provide valuable insights into maintaining and optimizing engine performance.

Basic Concepts

Turbochargers are devices that increase an engine’s power output by forcing extra air into the combustion chamber. In diesel engines, turbochargers enhance efficiency and performance by improving the air-fuel mixture. The oil supply tube is a critical component within the turbocharger system, responsible for delivering lubricant to the turbocharger’s moving parts. This lubrication is vital for reducing friction, wear, and heat, thereby ensuring the turbocharger operates smoothly and efficiently 1.

Purpose and Function

The primary role of the Turbocharger Oil Supply Tube is to maintain consistent lubrication within the turbocharger. By supplying oil to the turbocharger’s bearings and other moving components, the tube helps to ensure efficient operation and prolongs the turbocharger’s lifespan. Proper lubrication reduces the risk of overheating and mechanical failure, contributing to the overall reliability and performance of the engine 2.

Key Features

The Turbocharger Oil Supply Tube is designed with several features that enhance its performance and durability. It is typically constructed from high-quality materials resistant to heat and corrosion, ensuring longevity in harsh operating conditions. The tube includes precise connection points that facilitate secure and leak-free attachment to the turbocharger and engine oil supply system. Additionally, its design may incorporate features such as filters or regulators to maintain oil quality and pressure, further supporting the turbocharger’s efficient operation.

Benefits

Incorporating the Turbocharger Oil Supply Tube into a heavy-duty truck engine offers several advantages. Improved lubrication leads to enhanced turbocharger longevity, reducing the frequency of replacements and repairs. This, in turn, contributes to lower maintenance costs and increased engine efficiency. Furthermore, a well-lubricated turbocharger operates more smoothly, potentially improving fuel efficiency and reducing emissions, which are critical factors in heavy-duty truck operations 3.

Installation and Compatibility

Proper installation of the Turbocharger Oil Supply Tube is crucial for ensuring its effective function. Installation procedures should follow manufacturer guidelines to avoid leaks and ensure secure connections. Compatibility with various Cummins engine models is an important consideration, as the tube must fit precisely within the engine’s oil supply system to function correctly. Detailed installation instructions and compatibility information are typically provided by Cummins to assist with this process.

Maintenance and Troubleshooting

Routine maintenance of the Turbocharger Oil Supply Tube is essential for its continued effective operation. Regular inspections for signs of wear, leaks, or damage can help identify potential issues before they lead to significant problems. Common maintenance practices include checking connection points for tightness, ensuring the oil supply system is free of contaminants, and verifying that oil pressure and flow are within specified ranges. Troubleshooting may involve diagnosing leaks, addressing connection issues, or replacing the tube if it shows signs of significant wear or damage.

Performance Impact

The Turbocharger Oil Supply Tube plays a role in influencing engine performance, fuel efficiency, and emissions. By ensuring proper lubrication of the turbocharger, the tube helps maintain optimal turbocharger operation, which directly affects engine power and efficiency. Real-world examples and case studies demonstrate that well-maintained turbocharger lubrication systems can lead to improved engine performance, reduced fuel consumption, and lower emissions, highlighting the tube’s importance in heavy-duty truck operations.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to innovation, quality, and customer satisfaction. The company’s extensive product portfolio and focus on advanced technologies underscore its position as a trusted provider of automotive components, including the Turbocharger Oil Supply Tube.

Turbocharger Oil Supply Tube (Part 5266253) in Cummins Engines

The Turbocharger Oil Supply Tube, identified by part number 5266253, is a critical component in the lubrication system of certain Cummins engines. This part ensures that the turbocharger receives an adequate and consistent supply of oil, which is essential for its smooth operation and longevity.

Application in Cummins Engines

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

  • QSB6.7 CM2250

This part is integral to the maintenance and performance of these engines, as it helps in the efficient delivery of oil to the turbocharger. Proper lubrication of the turbocharger reduces wear and tear, enhances performance, and extends the lifespan of the engine.

Importance of the Turbocharger Oil Supply Tube

In engines like the QSB6.7 CM2250, the turbocharger plays a vital role in boosting engine performance by forcing more air into the combustion chamber. The Turbocharger Oil Supply Tube ensures that the turbocharger’s moving parts are well-lubricated, which is crucial for reducing friction and preventing overheating. This part is engineered to withstand the high pressures and temperatures within the engine, ensuring reliable performance over time.

Compatibility and Installation

When installing the Turbocharger Oil Supply Tube in Cummins engines, it is essential to follow the manufacturer’s guidelines to ensure a proper fit and function. This includes using the correct torque specifications and ensuring that all connections are secure and leak-free. Regular maintenance checks should also be performed to verify that the tube is in good condition and not showing signs of wear or damage.

Conclusion

The Turbocharger Oil Supply Tube (part number 5266253) is a vital component in the Cummins QSB6.7 CM2250 engine, ensuring that the turbocharger operates efficiently and reliably. Proper installation and maintenance of this part are crucial for the overall health and performance of the engine.

Role of Part 5266253 Turbocharger Oil Supply Tube in Engine Systems

The Part 5266253 Turbocharger Oil Supply Tube is an integral component in the turbocharger plumbing system of an engine. Its primary function is to deliver pressurized oil from the engine’s lubrication system to the turbocharger. This oil is essential for lubricating the turbocharger’s bearings and cooling its turbine.

Integration with Turbocharger Plumbing

  1. Oil Feed Line Connection: The Turbocharger Oil Supply Tube connects to the oil feed line, which originates from the engine’s oil pump. This connection ensures a steady flow of oil to the turbocharger.

  2. Turbocharger Bearings: Once the oil reaches the turbocharger, it is directed towards the turbocharger bearings. The bearings require consistent lubrication to operate efficiently and to withstand the high rotational speeds of the turbocharger.

  3. Turbine Cooling: In addition to lubricating the bearings, the oil also plays a role in cooling the turbocharger’s turbine. The oil absorbs heat from the turbine, which helps in maintaining optimal operating temperatures.

  4. Return Path: After performing its functions, the oil is returned to the engine’s sump through the oil return line. This ensures that the oil can be recirculated and reused, maintaining the efficiency of the lubrication system.

  5. Sealing and Containment: The Turbocharger Oil Supply Tube is designed to provide a sealed pathway for the oil. This prevents oil leaks, which could lead to contamination of other engine components and a loss of lubrication efficiency.

  6. System Pressure Regulation: The tube also plays a role in regulating the pressure of the oil as it is delivered to the turbocharger. Proper pressure is essential for effective lubrication and cooling.

In summary, the Part 5266253 Turbocharger Oil Supply Tube is a key element in the turbocharger plumbing system, ensuring that the turbocharger receives the necessary oil for lubrication and cooling, thereby contributing to the overall efficiency and reliability of the engine system.


  1. Hilgers, M. (2022). The Drivers Cab. Springer Vieweg.

  2. Goodnight, N., & Van Gelder, K. (2018). Automotive Braking Systems. Jones & Bartlett Learning.

  3. Hilgers, M. (2023). Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature.

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SPECIFICATIONS

Package Dimensions
23.5 x 0.9 x 0.88 in
Weight
0.5 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.