3930831
Covered Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$44.95 $53.49

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3930831 Covered Hose is a specialized component designed for use in commercial trucks. It plays a role in the fluid transfer systems of these vehicles, ensuring the efficient and safe movement of various fluids throughout the truck’s infrastructure.

Basic Concepts of Covered Hoses

Covered hoses are integral components in fluid transfer systems, designed to transport liquids or gases between different parts of a vehicle. They are constructed with an inner tube made of flexible material, often rubber or synthetic polymers, and an outer covering that provides additional protection against environmental factors, abrasion, and potential damage. In the context of a truck’s infrastructure, covered hoses facilitate the transfer of fluids such as coolant, fuel, and hydraulic fluid, contributing to the overall functionality and reliability of the vehicle 1.

Purpose of the Cummins 3930831 Covered Hose

The Cummins 3930831 Covered Hose is specifically engineered to handle the transfer of fluids within a truck’s system. It connects critical components, ensuring the smooth operation of the vehicle. The hose is designed to manage a variety of fluids, including but not limited to, coolant and hydraulic fluid, playing a role in maintaining the truck’s performance and efficiency 2.

Key Features

The Cummins 3930831 Covered Hose is characterized by its robust design and construction. It features a durable inner tube, typically made from high-quality rubber or synthetic materials, which provides flexibility and resistance to fluid pressure. The outer covering is designed to offer additional protection against abrasion, environmental factors, and potential damage, enhancing the hose’s performance and longevity. Unique attributes such as reinforced ends and specialized fittings ensure secure connections and reliable operation 3.

Benefits

The Cummins 3930831 Covered Hose offers several advantages that contribute to its effectiveness in commercial truck applications. Its durable construction ensures long-lasting performance, while the protective outer covering enhances resistance to environmental factors such as UV radiation, extreme temperatures, and chemical exposure. Additionally, the hose’s design contributes to enhanced safety in fluid transfer, reducing the risk of leaks and ensuring the efficient operation of the truck’s systems.

Installation Considerations

Proper installation of the Cummins 3930831 Covered Hose is crucial for ensuring optimal performance and longevity. Guidelines and best practices include ensuring that the hose is correctly routed to avoid sharp bends or kinks, securing connections with appropriate fittings and clamps, and verifying that the hose is free from twists or obstructions. Attention to these details during installation helps maintain the integrity of the fluid transfer system and prevents potential issues down the line.

Troubleshooting Common Issues

Typical problems that may arise with covered hoses include leaks, wear, and obstructions. Identifying these issues early is important for maintaining the efficiency and safety of the truck’s fluid transfer system. Troubleshooting steps may involve inspecting the hose for signs of damage or deterioration, checking connections for proper fit and security, and ensuring that the hose is routed correctly to avoid unnecessary stress or abrasion.

Maintenance Tips

Regular maintenance practices are key to prolonging the life of the Cummins 3930831 Covered Hose. Inspection routines should include checking for signs of wear, cracks, or leaks, as well as verifying the integrity of connections and fittings. Replacement guidelines suggest that the hose should be inspected periodically and replaced if any signs of damage or deterioration are detected, ensuring continued reliable operation of the truck’s fluid transfer system.

Safety Considerations

When handling and maintaining the Cummins 3930831 Covered Hose, it is important to observe safety protocols and precautions to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment (PPE), ensuring that the truck’s engine is off and cooled before beginning any maintenance tasks, and following manufacturer guidelines for handling and installation. Adhering to these safety considerations helps protect both the technician and the vehicle.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s extensive product range and commitment to customer satisfaction have made it a preferred choice for commercial vehicle operators worldwide.

Cummins Engine Part 3930831: Covered Hose Compatibility

The Cummins part number 3930831, identified as a Covered Hose, is designed to integrate seamlessly with various Cummins engine models. This hose is engineered to provide a secure and reliable connection in the engine’s cooling and fuel systems, ensuring optimal performance and durability.

Engine Compatibility

  • 6B5.9 Series

    • The 3930831 Covered Hose is specifically tailored to fit within the 6B5.9 engine series. This engine series is known for its robust construction and efficiency, making it a popular choice in various industrial applications. The hose’s design ensures it can withstand the operational stresses and environmental conditions these engines encounter.
  • Other Cummins Engines

    • While the primary focus is on the 6B5.9 series, the 3930831 Covered Hose is also compatible with other Cummins engines. Its universal design allows it to fit into different engine configurations, providing a versatile solution for engine maintenance and repair.

Installation and Usage

  • Cooling System Integration

    • The hose is integral to the engine’s cooling system, facilitating the flow of coolant to and from the engine block. Its covered design protects the hose from debris, UV radiation, and other environmental factors that could compromise its integrity.
  • Fuel System Applications

    • In the fuel system, the 3930831 Covered Hose ensures a clean and efficient transfer of fuel, reducing the risk of contamination and enhancing overall engine performance. Its placement and routing are critical to maintaining the system’s efficiency and reliability.

Material and Durability

  • High-Quality Materials

    • The hose is manufactured using high-quality materials that offer resistance to heat, chemicals, and physical wear. This ensures a long service life and consistent performance, even under demanding conditions.
  • Design for Longevity

    • The design of the 3930831 Covered Hose incorporates features that enhance its durability. These include reinforced sections to prevent bursting and kinking, as well as a flexible material that can withstand the dynamic movements of the engine components.

By integrating the 3930831 Covered Hose into the engine systems, users can expect improved reliability, efficiency, and longevity of their Cummins engines. This part’s compatibility with various engine models underscores its versatility and importance in maintaining engine performance.

Role of Part 3930831 Covered Hose in Engine Systems

The part 3930831 Covered Hose is integral to the efficient operation of various engine systems, particularly within the accessories and fuel system components.

In the accessories section, this hose facilitates the transfer of fluids essential for the operation of auxiliary systems. It ensures a reliable connection between components such as the power steering pump and the reservoir, maintaining consistent fluid levels and pressure. This, in turn, supports the smooth functioning of the power steering system, enhancing vehicle maneuverability and driver comfort.

Within the fuel system, the 3930831 Covered Hose plays a significant role in delivering fuel from the tank to the engine. It connects critical components like the fuel pump, fuel filter, and fuel injectors, ensuring a steady and uninterrupted flow of fuel. This consistent delivery is vital for maintaining engine performance, efficiency, and overall reliability.

Additionally, the hose’s covered design protects against external contaminants and potential leaks, safeguarding the integrity of the fuel system and preventing any adverse effects on engine operation.

Conclusion

The Cummins 3930831 Covered Hose is a critical component in the fluid transfer systems of commercial trucks, ensuring efficient and safe movement of fluids. Its robust design, compatibility with various Cummins engine models, and role in both cooling and fuel systems highlight its importance in maintaining engine performance and reliability. Proper installation, regular maintenance, and adherence to safety protocols are essential for maximizing the longevity and effectiveness of this part.


  1. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  2. Giles, T. (2019). Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning.

  3. Quigley, J. M. (2023). SAE International’s Dictionary of Testing, Verification and Validation. SAE International.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
12.0 x 0.5 x 0.5 in
Weight
0.15 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.