4988432
Oil Filler Tube
Cummins®

Introduction

The Cummins 4988432 Oil Filler Tube is a component designed for use in heavy-duty truck engines. Its role is to facilitate the addition of oil to the engine, ensuring that the lubrication system functions correctly. This part is significant in maintaining the operational efficiency and longevity of the engine by providing a reliable means for oil replenishment ¹.

Purpose and Function

The Oil Filler Tube plays a role in the lubrication system of a truck engine by allowing for the addition of oil. It is positioned to direct oil into the engine’s crankcase, where it is distributed to critical moving parts. Proper lubrication is vital for reducing friction, wear, and heat generation within the engine. The tube is designed to make the oil change process straightforward, ensuring that the engine receives the necessary lubrication to operate efficiently ².

Key Features

The Cummins 4988432 Oil Filler Tube is characterized by its robust design and the materials used in its construction. It is typically made from high-quality metal, which provides durability and resistance to the high temperatures and pressures found within an engine environment. The tube may feature a threaded connection for secure attachment to the engine and a cap or dipstick tube for monitoring oil levels and facilitating oil changes ³.

Benefits

Using the Cummins 4988432 Oil Filler Tube offers several advantages. It contributes to improved engine performance by ensuring consistent and adequate lubrication. The tube’s durable construction enhances the engine’s longevity, while its design simplifies the oil change process, reducing the time and effort required for maintenance. Additionally, the secure fitting helps prevent oil leaks, which can lead to engine damage and increased maintenance costs ⁴.

Installation and Compatibility

Proper installation of the Oil Filler Tube is important for ensuring the engine’s lubrication system functions as intended. Installation guidelines should be followed to ensure a secure and leak-free connection. Compatibility with various Cummins engine models is a key consideration, as the tube must fit correctly and function within the specific engine design to provide optimal performance ⁵.

Maintenance and Troubleshooting

Routine maintenance of the Oil Filler Tube involves checking for signs of wear or damage, ensuring the cap or dipstick is securely in place, and verifying that there are no leaks. Common issues may include oil leaks due to a loose connection or damage to the tube. Troubleshooting steps may involve tightening connections, replacing damaged parts, or consulting service manuals for specific guidance ⁶.

Safety Considerations

When working with the Oil Filler Tube, it is important to observe safety precautions. This includes allowing the engine to cool before attempting any maintenance to avoid burns from hot oil or engine components. Ensuring that the tube is properly sealed is also important to prevent oil leaks, which can pose a slip hazard and contribute to engine damage ⁷.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a reputation for producing reliable and high-performance automotive components. The company’s commitment to quality is evident in its product range, which includes a variety of engine components designed to meet the demanding requirements of heavy-duty applications ⁸.

Compatibility of Cummins 4988432 Oil Filler Tube

The Cummins Oil Filler Tube part number 4988432 is designed to fit seamlessly with several engine models. This component is crucial for maintaining the proper oil level in the engine, ensuring that the lubrication system functions optimally. Here are the engines with which this oil filler tube is compatible:

• 4B3.9
• 4BT3.9
• 5.9 C-Series

These engines, part of the Cummins lineup, benefit from the precise fit and high-quality construction of the 4988432 oil filler tube. The compatibility ensures that the tube integrates smoothly with the engine’s design, providing a reliable means to monitor and maintain oil levels ⁹.

Role of Part 4988432 Oil Filler Tube in Engine Systems

The Part 4988432 Oil Filler Tube is a component in the lubrication system of an engine, facilitating the replenishment of engine oil. This tube is designed to interface with the engine’s cover and cylinder block, ensuring a seamless flow of oil into the engine’s crankcase.

Interaction with the Engine Cover

The Oil Filler Tube is typically mounted on the engine cover, which serves as a protective enclosure for the internal components. The tube’s connection to the cover allows for easy access to the oil compartment, enabling maintenance personnel to add oil without dismantling the cover. This design ensures that the cover remains intact, safeguarding the engine’s internal parts from contaminants and external damage ¹⁰.

Integration with the Cylinder Block

Once the oil is introduced through the filler tube, it flows into the cylinder block, which houses the cylinders, pistons, and other moving parts. The cylinder block is a fundamental component of the engine, responsible for containing the combustion process and supporting the movement of pistons. The oil filler tube ensures that the cylinder block receives a consistent supply of lubricant, which is vital for reducing friction between moving parts, dissipating heat, and preventing wear and tear ¹¹.

Overall Functionality

The efficient design of the Part 4988432 Oil Filler Tube allows for a straightforward oil-filling process, which is integral to maintaining the engine’s performance and longevity. By ensuring that the cover and cylinder block are properly lubricated, this component plays a significant role in the overall health and efficiency of the engine system ¹².

Conclusion

The Cummins 4988432 Oil Filler Tube is a critical component for maintaining the lubrication system in heavy-duty truck engines. Its robust design, ease of use, and compatibility with various Cummins engine models make it an essential part for ensuring engine efficiency and longevity. Proper installation, maintenance, and adherence to safety considerations are vital for maximizing the benefits of this Cummins part.