3930842
Plain Hose
Cummins®

The 3930842 Plain Hose is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This hose is specifically designed for use in commercial trucks, where it plays a role in various fluid transfer systems.

Basic Concepts of Plain Hoses

Plain hoses are a type of flexible tubing used primarily for the transfer of fluids within mechanical systems. Unlike reinforced hoses, which have additional layers for strength and durability, plain hoses are simpler in construction, consisting of a single layer of material. They are commonly used in applications where the fluid pressure is moderate and the hose does not require additional reinforcement. Plain hoses are valued for their flexibility and ease of installation ¹.

Purpose of the 3930842 Plain Hose

This Cummins part is integral to the operation of commercial trucks. It is utilized in systems where the transfer of fluids such as coolant, fuel, or hydraulic fluid is required. The hose connects various components within these systems, ensuring a continuous and reliable flow of fluids. Its role is particularly important in maintaining the efficiency and performance of the truck’s engine and other mechanical systems ².

Key Features

This part is characterized by several key features that enhance its performance. It is made from a durable material that resists wear and tear, ensuring longevity in demanding environments. The hose exhibits excellent flexibility, allowing it to navigate through tight spaces and around obstacles within the truck’s engine compartment. Additionally, it is designed with precision to fit snugly into the truck’s fluid transfer systems, minimizing the risk of leaks.

Benefits

Using this Cummins part offers several advantages. Its robust construction contributes to the reliability of the truck’s fluid transfer systems, reducing the likelihood of unexpected failures. The hose’s durability ensures that it can withstand the rigors of commercial truck operation, leading to a longer service life. Furthermore, its efficient design helps maintain the optimal performance of the truck’s engine and other systems by ensuring a smooth and uninterrupted flow of fluids.

Installation Considerations

When installing this part, it is important to follow best practices to ensure a secure and efficient fit. This may involve using specific tools to properly connect the hose to the system’s components. Careful attention should be paid to the routing of the hose to avoid sharp bends or kinks that could impede fluid flow or cause damage to the hose. Additionally, ensuring that all connections are tight and secure will help prevent leaks.

Troubleshooting Common Issues

Common issues with plain hoses, such as leaks or blockages, can often be traced back to installation errors or wear and tear. To troubleshoot these problems, it is advisable to inspect the hose for signs of damage, such as cracks or abrasions, and check all connections for tightness. If a leak is detected, the hose may need to be replaced or repaired. Blockages can sometimes be cleared by flushing the hose with a compatible fluid.

Maintenance Tips

To ensure the long-term performance of the 3930842 Plain Hose, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, and checking all connections for tightness. It is also important to replace the hose according to the manufacturer’s guidelines or when signs of significant wear are observed. Proper maintenance will help ensure the continued efficiency and reliability of the truck’s fluid transfer systems.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation among professionals and enthusiasts alike. The company’s dedication to advancing technology and improving product quality underscores its position as a leader in the industry.

Cummins Plain Hose 3930842 Compatibility with Engine Models

The Cummins Plain Hose part number 3930842 is designed to fit seamlessly within the engine systems of various Cummins engine models. This hose is engineered to provide reliable fluid transfer, ensuring optimal engine performance and longevity.

4B3.9 Engine

In the 4B3.9 engine, the Plain Hose 3930842 is utilized to connect critical fluid pathways. This hose ensures that fluids such as coolant, oil, or other necessary liquids are transported efficiently between engine components. Its placement is crucial for maintaining the engine’s operational integrity and preventing overheating or lubrication failures.

6C8.3 Engine

Similarly, in the 6C8.3 engine, the Plain Hose 3930842 plays a pivotal role in the engine’s fluid management system. This hose is strategically positioned to facilitate the smooth flow of fluids, ensuring that all parts of the engine receive the necessary lubrication and cooling. Its design and placement are critical for the engine’s overall efficiency and durability.

Grouped Engine Models

For both the 4B3.9 and 6C8.3 engines, the Plain Hose 3930842 is a vital component in the engine’s fluid transfer system. Its compatibility with these engines underscores its importance in maintaining the engine’s operational standards. The hose’s design ensures that it can withstand the operational stresses and conditions within these engines, providing a reliable connection for fluid pathways.

Role of Part 3930842 Plain Hose in Engine Systems

The part 3930842 Plain Hose is integral to the efficient operation of various engine systems, facilitating the smooth transfer of fluids and gases. In the context of the fuel drain location, this hose plays a significant role in directing fuel that has been drained from the system to a designated collection point. This ensures that the drained fuel is safely and effectively managed, preventing any potential contamination or spillage.

When considering the general location component, the 3930842 Plain Hose is often utilized to connect different parts of the engine system, ensuring a secure and leak-free pathway for fluids. This is particularly important in areas where space is limited, and precise routing is necessary to avoid interference with other components.

In drain systems, the hose is employed to guide fluids away from critical engine areas, ensuring that any excess or waste material is efficiently removed. This helps maintain the cleanliness and integrity of the engine environment, contributing to the overall reliability and performance of the system ³.

Conclusion

The 3930842 Plain Hose by Cummins is a critical component in the fluid transfer systems of commercial trucks and various Cummins engine models. Its durable construction, flexibility, and precise design ensure reliable performance and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this hose, contributing to the overall efficiency and reliability of the engine systems it serves.