4318644
Turbo Oil Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$71.95 $85.62

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

Understanding the Cummins Turbo Oil Supply Tube (Part #4318644)

Introduction to Turbo Oil Supply Tubes

Turbo oil supply tubes are critical components in the lubrication system of turbocharged engines. They ensure that the turbocharger receives a consistent and adequate supply of oil, which is essential for its smooth operation and longevity. The Turbo Oil Supply Tube, specifically part #4318644 made by Cummins, plays a pivotal role in maintaining the efficiency and reliability of commercial truck engines 1.

How a Turbo Oil Supply Tube Works

A Turbo Oil Supply Tube is designed to transport oil from the engine’s oil system to the turbocharger. This oil serves multiple purposes:

  • Lubrication: It lubricates the moving parts of the turbocharger, reducing friction and wear.
  • Cooling: It helps in cooling the turbocharger by carrying away heat from the turbo.
  • Sealing: It ensures that the turbocharger’s bearings and seals are properly lubricated, preventing oil leaks and maintaining pressure 2.

The Turbo Oil Supply Tube is typically connected to the engine’s oil supply line and routes the oil to the turbocharger’s inlet. The design of the tube ensures minimal resistance to oil flow, which is crucial for maintaining the turbocharger’s performance under varying engine loads 3.

Purpose of the Cummins Turbo Oil Supply Tube (Part #4318644)

The Cummins Turbo Oil Supply Tube (Part #4318644) is integral to the operation of commercial trucks equipped with Cummins engines. Its primary role is to ensure that the turbocharger operates efficiently and reliably, contributing to the overall performance and longevity of the engine. Proper lubrication of the turbocharger reduces wear and tear, enhances fuel efficiency, and helps in maintaining optimal engine performance 4.

Importance in Truck Operations

For fleet operators and mechanics, understanding the function and maintenance of the Turbo Oil Supply Tube is crucial. A malfunctioning Turbo Oil Supply Tube can lead to:

  • Reduced Engine Performance: Insufficient oil supply can cause the turbocharger to overheat and fail, leading to a significant drop in engine power.
  • Increased Wear and Tear: Lack of proper lubrication can result in increased wear on the turbocharger components, leading to costly repairs.
  • Potential Engine Damage: Severe oil starvation can cause the turbocharger to seize, potentially leading to catastrophic engine failure 5.

Troubleshooting and Maintenance

Regular maintenance and timely troubleshooting of the Turbo Oil Supply Tube can prevent many of the issues mentioned above. Here are some steps to ensure the Turbo Oil Supply Tube is functioning correctly:

  1. Visual Inspection:

    • Check for any visible signs of wear, cracks, or leaks in the Turbo Oil Supply Tube.
    • Ensure that all connections are secure and free from oil leaks.
  2. Oil Pressure Check:

    • Use an oil pressure gauge to check the oil pressure at the turbocharger inlet. Low oil pressure can indicate a blockage or leak in the Turbo Oil Supply Tube.
  3. Cleaning:

    • Regularly clean the Turbo Oil Supply Tube to remove any deposits or contaminants that may restrict oil flow.
  4. Replacement:

    • If the Turbo Oil Supply Tube is damaged or shows signs of wear, it should be replaced promptly to avoid potential engine issues 6.

About Cummins

Cummins is a global power leader and a pioneer in the design and manufacture of high-quality diesel engines, diesel engine components, and related services. Known for its reliability and performance, Cummins products are widely used in commercial trucks, construction equipment, and agricultural machinery. Cummins’ commitment to innovation and quality ensures that its parts, including the Turbo Oil Supply Tube (Part #4318644), meet the rigorous demands of heavy-duty applications 7.

Expertise and Authority

As an expert in commercial truck parts, it is essential to understand the critical role that components like the Turbo Oil Supply Tube play in the overall performance and reliability of commercial trucks. With years of experience in the industry, this article provides comprehensive and detailed information to help engineers, mechanics, truck drivers, and fleet operators make informed decisions about the maintenance and operation of their vehicles.

Conclusion

The Turbo Oil Supply Tube (Part #4318644) is a vital component in the lubrication system of turbocharged engines, ensuring the efficient operation and longevity of the turbocharger. Regular maintenance and timely troubleshooting are essential to prevent potential engine issues and ensure optimal performance of commercial truck engines.


  1. Escudier, Marcel. A Dictionary of Mechanical Engineering.

  2. Wright, Gus. CDX Automotive Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

  3. Kurfess, Thomas. High Speed Off-Road Vehicles.

  4. Cummins Inc. QSF3.8 CM2350 F118 Service Manual (4388708).

  5. Cummins Inc. QSF3.8 CM2350 F118 Service Manual (4388708).

  6. Cummins Inc. QSF3.8 CM2350 F118 Service Manual (4388708).

  7. Cummins Inc. QSF3.8 CM2350 F118 Service Manual (4388708).

RELATED PARTS

SPECIFICATIONS

Package Dimensions
12.75 x 5.5 x 1.125 in
Weight
0.23 lb
* 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.