4938416
Oil Filler Tube
Cummins®

Introduction

The Cummins 4938416 Oil Filler Tube is a component designed for use in heavy-duty trucks. It serves a specific function within the engine’s lubrication system, ensuring that the engine receives the necessary oil for smooth operation. This part is integral to maintaining the engine’s performance and longevity by facilitating the addition of oil and ensuring proper lubrication ¹.

Basic Concepts of Oil Filler Tubes

An oil filler tube is a conduit through which engine oil is added to the crankcase of an engine. Its function within the engine lubrication system is to provide a pathway for oil to reach the sump, where it is stored and circulated to lubricate moving parts. This process is vital for reducing friction, dissipating heat, and protecting engine components from wear ². Proper lubrication contributes to maintaining optimal engine performance and efficiency.

Purpose of the Cummins 4938416 Oil Filler Tube

The Cummins 4938416 Oil Filler Tube plays a role in the operation of a truck by allowing for the addition of oil to the engine. It ensures that the engine maintains the correct oil level, which is necessary for the lubrication of critical components. This part is designed to facilitate easy and efficient oil changes, which are a routine part of vehicle maintenance. By ensuring proper lubrication, the oil filler tube helps in the overall efficiency and reliability of the engine ³.

Key Features

The Cummins 4938416 Oil Filler Tube is characterized by its robust design and construction. It is made from materials that are resistant to the high temperatures and pressures found within an engine environment. The tube is designed to be durable and long-lasting, with a secure fitting that prevents leaks. Its design also takes into account ease of use, allowing for straightforward oil changes and maintenance procedures.

Benefits

The advantages provided by the Cummins 4938416 Oil Filler Tube include enhanced engine performance through reliable lubrication, ease of use during oil changes, and durability under various operating conditions. Its design ensures that oil is efficiently added to the engine, contributing to the overall reliability and performance of the vehicle.

Installation Process

Installing the Cummins 4938416 Oil Filler Tube involves several steps to ensure correct fitting and operation. It is important to follow manufacturer guidelines for installation, which may include preparing the engine compartment, aligning the tube with the oil fill port, and securing it in place. Attention to detail during installation helps ensure that the tube functions correctly and does not leak.

Maintenance Tips

Regular maintenance practices can prolong the lifespan of the Cummins 4938416 Oil Filler Tube. This includes routine inspections for signs of wear or damage, cleaning the area around the tube to prevent debris from entering the engine, and ensuring that the tube is securely fastened. Following these practices helps maintain the integrity of the lubrication system and the overall health of the engine.

Troubleshooting Common Issues

Frequent problems associated with oil filler tubes can include leaks or blockages. Diagnosing these issues may involve inspecting the tube for cracks or damage, checking the seals for wear, and ensuring that the tube is correctly installed. Resolving these issues typically involves repairing or replacing the tube, cleaning the area, and ensuring that all connections are secure.

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 automotive and heavy-duty truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of vehicles.

Cummins Oil Filler Tube 4938416 Compatibility

The Cummins Oil Filler Tube part number 4938416 is designed to fit a range of Cummins engines, ensuring a secure and reliable method for adding oil to the engine. This part is essential for maintaining proper oil levels and ensuring the engine operates smoothly. Below is a detailed look at the engines that are compatible with this oil filler tube.

Compatible Engines

• 4B3.9
• 6B5.9
• B4.5
• B5.9 CM2670 B166C
• B6.7 CM2670 B164C
• ISB CM550
• ISB CM850
• QSB3.9 30 CM550
• QSB3.9 CM2880 B138
• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB5.9 CM2880 B139
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

Grouping of Compatible Engines

For ease of reference, the compatible engines can be grouped based on their series and specifications:

• QSB Series

  • QSB3.9
    • QSB3.9 30 CM550
    • QSB3.9 CM2880 B138
  • QSB4.5
    • QSB4.5 CM2250 EC
    • QSB4.5 CM850 (CM2850)
  • QSB5.9
    • QSB5.9 30 CM550
    • QSB5.9 44 CM550
    • QSB5.9 CM2880 B139
  • QSB6.7
    • QSB6.7 CM2250
    • QSB6.7 CM2350 B105
    • QSB6.7 CM850 (CM2850)
  • QSB7
    • QSB7 CM2880 B117

• ISB Series

  • ISB CM550
  • ISB CM850

• Other Series

  • 4B3.9
  • 6B5.9
  • B4.5
  • B5.9 CM2670 B166C
  • B6.7 CM2670 B164C

This comprehensive compatibility ensures that the Cummins Oil Filler Tube 4938416 can be used across a broad spectrum of engine models, providing a standardized solution for oil management in various Cummins engines.

Role of Part 4938416 Oil Filler Tube in Engine Systems

The part 4938416 Oil Filler Tube is an essential component in the lubrication system of an engine, facilitating the proper arrangement and distribution of oil within the engine’s components.

Integration with Oil Fill System

The Oil Filler Tube is directly connected to the oil fill system, allowing for the introduction of lubricant into the engine. This tube ensures a streamlined flow of oil from the fill cap to the sump or oil pan, where the oil is stored and circulated. The design of the tube minimizes spillage and ensures that oil reaches its intended destination efficiently.

Interaction with Engine Cover

Positioned between the engine cover and the cylinder block, the Oil Filler Tube plays a significant role in maintaining the integrity of the lubrication system. The tube is sealed against the engine cover to prevent oil leaks, ensuring that the lubricant remains contained within the system. This seal is vital for the engine’s performance, as it maintains the necessary oil pressure and volume for effective lubrication.

Connection to Cylinder Block

The Oil Filler Tube is strategically placed to interface with the cylinder block, which houses the moving parts of the engine that require lubrication. By providing a direct pathway for oil to enter the system, the tube ensures that the cylinder block and its components, such as pistons and bearings, receive a consistent supply of lubricant. This consistent lubrication is essential for reducing friction and wear, thereby enhancing the engine’s longevity and efficiency.

Conclusion

In summary, the Cummins 4938416 Oil Filler Tube is a key component that ensures the proper functioning of the engine’s lubrication system by facilitating the efficient arrangement and distribution of oil to critical engine components. Its robust design, ease of installation, and maintenance contribute to the overall reliability and performance of the engine.