4938412
Oil Filler Tube
Cummins®

Introduction

The Cummins 4938412 Oil Filler Tube is a component designed for use in heavy-duty trucks. It serves a specific function within the engine’s lubrication system, facilitating the addition of oil and helping to maintain proper oil levels. This part is integral to ensuring the engine operates efficiently and has a longer service life ².

Basic Concepts of Oil Filler Tubes

An oil filler tube is a component of the lubrication system in an engine. Its primary function is to provide a pathway for adding oil to the engine. This ensures that the lubrication system maintains adequate oil levels, which is vital for reducing friction between moving parts, dissipating heat, and removing contaminants ³. Proper lubrication contributes to engine performance and longevity by ensuring that all components operate smoothly and efficiently.

Purpose of the Cummins 4938412 Oil Filler Tube

The Cummins 4938412 Oil Filler Tube plays a role in the engine’s lubrication system by allowing for the addition of oil. It is designed to ensure that oil levels are maintained at the optimal range, which is crucial for the engine’s operation. By facilitating easy and precise oil addition, this component helps in keeping the engine well-lubricated, thereby supporting its performance and durability ².

Key Features

The Cummins 4938412 Oil Filler Tube is characterized by its robust design and the materials used in its construction. It is engineered to withstand the demanding conditions present in heavy-duty truck engines. The tube is made from high-quality materials that offer durability and resistance to wear and corrosion. Its design ensures a secure fit and easy access for oil addition, enhancing both functionality and user convenience ¹.

Benefits of Using the Cummins 4938412 Oil Filler Tube

Utilizing the Cummins 4938412 Oil Filler Tube offers several advantages. It contributes to improved engine performance by ensuring consistent and adequate lubrication. The design of the tube makes it easy to use, allowing for quick and efficient oil changes or top-ups. Its reliability in heavy-duty applications is a testament to its build quality and the precision engineering that goes into its manufacture ².

Installation and Compatibility

Proper installation of the Cummins 4938412 Oil Filler Tube is important for ensuring it functions correctly within the engine’s lubrication system. It is designed to be compatible with specific Cummins engine models, ensuring a precise fit and optimal performance. Following the manufacturer’s guidelines for installation is recommended to maintain the integrity of the lubrication system and the overall engine health ².

Maintenance and Troubleshooting

Routine maintenance of the Cummins 4938412 Oil Filler Tube involves checking for any signs of wear or damage and ensuring it remains securely fitted. Common issues may include leaks or difficulty in adding oil, which can often be addressed by inspecting the tube and its connections. Regular maintenance helps in identifying potential problems early, ensuring the tube continues to function effectively and contributes to the engine’s longevity ¹.

Safety Considerations

When working with the Cummins 4938412 Oil Filler Tube, it is important to observe safety practices. This includes proper handling to avoid damage to the tube, safe storage of used oil, and following disposal guidelines for environmental protection. Adhering to these safety considerations helps in maintaining a safe working environment and ensures the component’s longevity and effectiveness ².

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive and heavy-duty truck industry, known for its wide range of engine and component offerings. With a history of innovation and quality, Cummins has built a reputation for producing reliable and high-performance parts. The company’s commitment to excellence is reflected in its products, including the Cummins 4938412 Oil Filler Tube, which is designed to meet the rigorous demands of heavy-duty applications ².

Compatibility of Cummins Oil Filler Tube Part 4938412

The Cummins Oil Filler Tube part number 4938412 is designed to fit seamlessly with several engine models. This part is essential for maintaining the proper oil levels and ensuring the engine operates smoothly. Below is a detailed overview of the engines with which this oil filler tube is compatible.

Compatible Engines

• 4B3.9
• B4.5
• QSB3.9 30 CM550

Grouping of Compatible Engines

The Cummins Oil Filler Tube part 4938412 is engineered to fit within the following groups of engines:

• 4B3.9 and B4.5: These engines share similar design parameters, making the oil filler tube interchangeable between them. Both engines benefit from this part’s precision fit and robust construction, ensuring optimal oil management.

• QSB3.9 30 CM550: This engine, while distinct in its specifications, also requires the same oil filler tube part number. The design of the tube ensures it aligns perfectly with the engine’s requirements, facilitating easy oil level checks and refills.

Installation and Usage

When installing the Cummins Oil Filler Tube part 4938412, it is crucial to follow the manufacturer’s guidelines to ensure a secure fit. Proper installation helps maintain the integrity of the engine’s oil system and prevents leaks or contamination. Regular checks and maintenance of this component are recommended to prolong the engine’s lifespan and performance ².

Role of Part 4938412 Oil Filler Tube in Engine Systems

The part 4938412 Oil Filler Tube is an essential component in the lubrication system of an engine, facilitating the proper flow and distribution of oil to various engine parts. Its integration with other components ensures efficient engine operation and longevity ³.

Integration with the Oil Fill System

The Oil Filler Tube is directly connected to the oil fill system, allowing for the introduction of oil into the engine. This tube guides the oil from the fill cap to the oil pan, ensuring that the oil reaches its intended destination without spillage or contamination. The precise arrangement of this tube is vital for maintaining a clean and efficient oil fill process ³.

Connection to the Cylinder Block

Once the oil passes through the Oil Filler Tube, it is distributed to the cylinder block. The cylinder block houses the cylinders, pistons, and other moving parts that require consistent lubrication. The Oil Filler Tube’s role is to ensure a steady supply of oil to these components, reducing friction and wear ³.

Relationship with the Engine Cover

The Oil Filler Tube is often positioned in relation to the engine cover, which protects the internal components from external contaminants. The tube must be securely fitted to the cover to prevent oil leaks and ensure that the lubrication system remains sealed. This integration helps maintain the integrity of the engine’s lubrication system and protects internal parts from damage ³.

Overall System Functionality

In summary, the Part 4938412 Oil Filler Tube plays a significant role in the engine’s lubrication system by ensuring that oil is properly introduced and distributed throughout the engine. Its connection to the oil fill system, cylinder block, and engine cover highlights its importance in maintaining engine health and performance ³.

Conclusion

The Cummins 4938412 Oil Filler Tube is a critical component in the lubrication system of heavy-duty truck engines. Its robust design, compatibility with specific engine models, and ease of use contribute to efficient engine operation and longevity. Proper installation, maintenance, and adherence to safety practices are essential for maximizing the benefits of this part. Cummins Inc.’s commitment to quality and innovation is evident in the design and functionality of the 4938412 Oil Filler Tube, making it a reliable choice for maintaining optimal engine performance.