3944789
Oil Filler Tube
Cummins®

The Cummins 3944789 Oil Filler Tube is a critical component for the maintenance and operation of heavy-duty trucks. Cummins, a prominent figure in the automotive industry, is known for its high-quality engine components designed to enhance vehicle performance and reliability. This part exemplifies Cummins’ dedication to excellence, offering a dependable solution for maintaining optimal lubrication in heavy-duty truck engines.

Basic Concepts of Oil Filler Tubes

An oil filler tube is a component that allows for the addition of oil to an engine. Its primary function within an engine system is to provide a pathway for oil to be introduced into the engine’s lubrication system. Proper lubrication is essential for engine performance and longevity, as it reduces friction between moving parts, dissipates heat, and helps remove contaminants from the engine ¹.

Purpose of the 3944789 Oil Filler Tube

The 3944789 Oil Filler Tube serves a specific role in the operation of a truck by enabling the addition of oil to the engine and helping maintain optimal lubrication levels. This ensures that the engine operates efficiently and with reduced wear on its components. The tube is designed to integrate seamlessly with the truck’s engine system, providing a secure and effective means of oil introduction.

Key Features

The 3944789 Oil Filler Tube is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and resistance to the harsh conditions often encountered in heavy-duty truck operations. The tube’s build quality is evident in its precise engineering, which enhances its functionality and longevity. Unique attributes of the tube include its easy-to-use design and enhanced sealing properties, which contribute to its overall effectiveness.

Benefits

The 3944789 Oil Filler Tube offers several advantages. Its design allows for improved ease of use during oil changes, reducing the time and effort required for maintenance. The enhanced sealing properties of the tube help prevent oil leaks, ensuring that the engine remains properly lubricated. Additionally, the tube contributes to engine efficiency and longevity by maintaining optimal lubrication levels, which is crucial for the performance of heavy-duty trucks ².

Installation Process

Installing the 3944789 Oil Filler Tube involves several steps to ensure a secure and effective fit. Preparatory steps include ensuring the engine is cool and the old oil filler tube is removed. The necessary tools for installation may include wrenches and sealant. Best practices for installation include carefully aligning the new tube with the engine’s oil filler neck, applying sealant as required, and tightening the tube to the manufacturer’s specified torque settings to ensure a secure fit.

Maintenance and Care

Regular maintenance and care of the 3944789 Oil Filler Tube are important for its longevity and effectiveness. Inspection practices should include checking for signs of wear or damage, such as cracks or leaks. Cleaning procedures may involve wiping down the tube with a clean cloth to remove any dirt or debris. Replacement should be considered if the tube shows significant wear or if oil leaks are detected.

Troubleshooting Common Issues

Common problems associated with oil filler tubes include leaks or blockages. To address leaks, inspect the tube and its connections for damage or wear, and replace the tube or repair the connections as necessary. Blockages can often be resolved by cleaning the tube or, in some cases, replacing it if the blockage cannot be cleared.

Cummins: A Brief Overview

Cummins Inc. is a leader in the automotive industry, particularly in the segment of heavy-duty truck components. With a rich history of innovation and quality, Cummins offers a wide range of products designed to enhance vehicle performance and reliability. The company’s reputation for excellence is built on its commitment to producing high-quality, durable components that meet the demanding requirements of heavy-duty applications.

Cummins Oil Filler Tube 3944789 Compatibility

The Cummins Oil Filler Tube part number 3944789 is designed to fit seamlessly with specific engine models. This part is integral for maintaining the proper oil levels in the engine, ensuring optimal performance and longevity.

ISC CM554 Engine

The ISC CM554 engine is one of the models that this oil filler tube is compatible with. This engine is known for its reliability and efficiency, often used in various industrial and commercial applications. The oil filler tube ensures that the oil is correctly topped up, preventing any potential engine damage due to low oil levels.

ISL CM554 Engine

Similarly, the ISL CM554 engine also benefits from the use of the Cummins Oil Filler Tube part number 3944789. This engine is another variant in the Cummins lineup, designed for heavy-duty applications. The oil filler tube plays a crucial role in maintaining the engine’s oil levels, ensuring that it operates smoothly and efficiently.

Grouping of Engines

Both the ISC CM554 and ISL CM554 engines belong to the Cummins CM554 series, which is known for its robust design and performance. The compatibility of the oil filler tube with these engines highlights the importance of using genuine parts for maintenance and repairs. This ensures that the engine continues to perform at its best, providing the reliability that Cummins engines are known for.

Role of Part 3944789 Oil Filler Tube in Engine Systems

The 3944789 Oil Filler Tube is an essential component in the arrangement of various engine systems, facilitating the efficient operation and maintenance of these systems.

In the context of the oil fill system, the Oil Filler Tube serves as the primary conduit for introducing lubricant into the engine. This tube is strategically positioned to allow for easy access during routine maintenance, ensuring that the oil level can be checked and replenished as needed. The design of the tube often includes features such as a threaded cap or a spring-loaded cap to prevent oil spills and ensure a secure seal when not in use.

The integration of the Oil Filler Tube within the engine arrangement is meticulously planned to align with the engine’s layout and the positioning of other components. This careful placement ensures that the oil can be distributed evenly throughout the engine, reaching all necessary lubrication points without interference from other parts.

Additionally, the Oil Filler Tube interacts with the engine’s ventilation system, allowing for the release of any air trapped within the oil during the filling process. This interaction is vital for maintaining the integrity of the oil fill system, preventing air pockets that could lead to inefficient lubrication and potential engine damage.

Overall, the Oil Filler Tube plays a significant role in the seamless operation of the oil fill system, contributing to the longevity and performance of the engine ³.

Conclusion

The Cummins 3944789 Oil Filler Tube is a vital component for maintaining the performance and reliability of heavy-duty truck engines. Its robust design, ease of use, and compatibility with specific engine models make it an essential part for ensuring optimal lubrication and engine efficiency. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, contributing to the overall longevity and performance of the engine.