4938414
Oil Filler Tube
Cummins®

Introduction

The Cummins 4938414 Oil Filler Tube is a component designed for use in commercial trucks, specifically within the engine’s lubrication system. Its role is to facilitate the addition of oil to the engine, ensuring that all moving parts receive adequate lubrication. This part is significant in maintaining the operational efficiency and longevity of the engine ¹.

Purpose and Function

The Oil Filler Tube plays a role in the lubrication system of a truck engine by providing a pathway for oil to be added to the engine. It ensures that oil reaches the crankcase, from where it is distributed to various engine components. Proper lubrication is vital for reducing friction between moving parts, which helps in maintaining engine performance and preventing wear and tear ².

Key Features

The Cummins 4938414 Oil Filler Tube is constructed with materials that offer durability and resistance to the harsh conditions within an engine environment. Its design includes features that enhance its structural integrity, ensuring it can withstand the pressures and temperatures associated with engine operation. The tube is engineered to fit securely within the engine assembly, minimizing the risk of leaks and ensuring efficient oil flow ³.

Benefits

The Cummins 4938414 Oil Filler Tube offers several advantages. It contributes to improved engine performance by ensuring consistent and adequate lubrication. The tube’s durable construction enhances its longevity, reducing the need for frequent replacements. Its design also facilitates ease of use during oil changes, making maintenance more straightforward. Compatibility with Cummins engines ensures that it meets the specific requirements of these engines, promoting optimal performance ⁴.

Installation and Maintenance

Proper installation of the Oil Filler Tube involves securing it within the engine assembly according to manufacturer guidelines. Routine maintenance practices include checking for signs of wear or damage, ensuring there are no leaks, and verifying that the tube is properly aligned. Regular inspections can help identify potential issues before they lead to more significant problems, ensuring the part’s efficiency and longevity.

Troubleshooting Common Issues

Common issues with Oil Filler Tubes may include leaks, blockages, or damage from wear. Addressing these problems involves inspecting the tube for visible signs of damage, cleaning or replacing gaskets if leaks are present, and ensuring that the tube is free from obstructions. Regular inspections and timely repairs are important for maintaining the tube’s functionality and preventing engine damage.

Safety Considerations

When working with the Oil Filler Tube, it is important to follow safety protocols. This includes adhering to manufacturer guidelines for installation and maintenance, using appropriate personal protective equipment, and ensuring that all work is conducted in a safe environment. Following these practices helps prevent accidents and ensures the safe operation of the engine.

Cummins Overview

Cummins Inc. has a long-standing reputation in the commercial truck industry for its commitment to quality, innovation, and customer satisfaction. The company’s design and manufacturing of automotive components, including the Cummins 4938414 Oil Filler Tube, reflect its dedication to producing reliable and high-performance parts. Cummins’ focus on meeting the specific needs of commercial truck engines underscores its position as a leader in the industry.

Cummins Oil Filler Tube 4938414 Compatibility

The Cummins Oil Filler Tube, part number 4938414, is designed to fit seamlessly with several engine models. This part is crucial for maintaining proper oil levels and ensuring the engine operates efficiently. Below is a detailed look at the engines that are compatible with this specific oil filler tube.

Compatible Engines

• 4B3.9

The 4938414 oil filler tube is engineered to fit the 4B3.9 engine model. This compatibility ensures that the tube aligns perfectly with the engine’s design, facilitating easy oil level checks and refills. The precision in fitting helps prevent leaks and ensures that the engine receives the correct amount of oil for optimal performance.

Grouping of Compatible Engines

In some cases, the 4938414 oil filler tube is also compatible with a group of engines that share similar design characteristics. These engines are often part of a series or family, and the tube’s design accommodates the common features among them. While the exact list of grouped engines may vary, the 4B3.9 is a prime example of an engine that benefits from this part.

Importance of Proper Fitment

Ensuring that the oil filler tube fits correctly is vital for the engine’s health. An ill-fitting tube can lead to oil leaks, which can cause engine damage over time. The 4938414 part number is specifically crafted to meet the stringent requirements of Cummins engines, providing a reliable and durable solution for maintaining oil levels.

Role of Part 4938414 Oil Filler Tube in Engine Systems

The part 4938414 Oil Filler Tube is a component in the lubrication system of an engine, facilitating the replenishment of oil to maintain optimal engine performance.

When integrated with the cover, the Oil Filler Tube allows for the convenient addition of oil into the engine. The cover, typically made of metal or composite materials, encases sensitive engine components and provides a secure environment for the Oil Filler Tube to operate. The tube extends through a designated opening in the cover, ensuring a sealed pathway for oil to enter the engine without leakage.

In conjunction with the cylinder block, the Oil Filler Tube plays a significant role in the overall lubrication process. The cylinder block houses the cylinders, pistons, and other moving parts that require consistent lubrication to reduce friction and wear. As oil is added through the Oil Filler Tube, it flows into the cylinder block, where it is distributed via oil galleries and passages to critical components. This ensures that all moving parts within the cylinder block receive the necessary lubrication to operate smoothly and efficiently.

The Oil Filler Tube’s design and placement are engineered to work seamlessly with these components, promoting a reliable and effective lubrication system that supports the engine’s durability and performance.

Conclusion

The Cummins 4938414 Oil Filler Tube is a vital component in the lubrication system of commercial truck engines. Its design and construction ensure durability, efficient oil flow, and compatibility with Cummins engines. Proper installation, maintenance, and troubleshooting are essential for maximizing the benefits of this part and ensuring the engine’s optimal performance and longevity.