3914361
Vacuum Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$77.95 $92.76

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 3914361 Vacuum Hose is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s vacuum system, contributing to the overall operation and efficiency of the truck. Understanding its purpose and significance is important for maintaining the vehicle’s performance.

Basic Concepts of Vacuum Hoses

Vacuum hoses are integral components in a vehicle’s system, responsible for transporting vacuum pressure from the engine to various actuators and components. They facilitate the operation of systems such as brake boosters, emissions controls, and various engine management functions. In automotive applications, vacuum hoses ensure that these systems receive the necessary vacuum pressure to function correctly 1.

Purpose of the Cummins 3914361 Vacuum Hose

The Cummins 3914361 Vacuum Hose plays a role in the operation of a truck by connecting different parts of the vacuum system. It ensures that vacuum pressure is efficiently distributed, enabling components like the brake booster and emissions control systems to operate as intended. Its function within the vehicle’s vacuum system is vital for the proper functioning of these components 2.

Key Features

The Cummins 3914361 Vacuum Hose is constructed from durable materials, designed to withstand the rigors of commercial truck environments. Its design includes features that enhance performance and longevity, such as reinforced ends for secure connections and a flexible body to accommodate the movements and vibrations inherent in truck operation 3.

Benefits of Using the Cummins 3914361 Vacuum Hose

Utilizing the Cummins 3914361 Vacuum Hose offers several advantages. Its design contributes to improved efficiency within the vacuum system, ensuring that components receive the necessary vacuum pressure for optimal operation. The hose’s reliability and compatibility with Cummins engines make it a preferred choice for maintaining and upgrading truck vacuum systems.

Installation Considerations

Proper installation of the Cummins 3914361 Vacuum Hose is important for ensuring optimal performance and longevity. It is recommended to follow manufacturer guidelines for installation, including securing connections tightly and routing the hose away from heat sources and moving parts to prevent damage 4.

Troubleshooting Common Issues

Common problems with vacuum hoses can include leaks, cracks, and disconnections. These issues can lead to reduced efficiency in the systems they serve. Troubleshooting steps include inspecting the hose for visible damage, checking connections for tightness, and testing for leaks in the vacuum system. Addressing these issues promptly can help maintain the hose’s performance and the overall efficiency of the truck’s systems.

Maintenance Tips

Regular maintenance of the Cummins 3914361 Vacuum Hose is important for prolonging its lifespan. This includes periodic inspections for signs of wear or damage, ensuring connections remain tight, and replacing the hose if it shows signs of degradation. Adhering to these maintenance practices can help ensure the vacuum system operates efficiently.

Cummins Overview

Cummins Inc. is a leader in the manufacturing of diesel engines, related technologies, and complete power solutions. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and high-performance automotive components. Their vacuum hoses, including the 3914361, are designed with the same attention to detail and quality that Cummins is known for in the industry.

Cummins Vacuum Hose 3914361 Compatibility

The Cummins Vacuum Hose part number 3914361 is designed to fit seamlessly within the engine systems of various Cummins engines. This part is integral to maintaining the operational efficiency of these engines by ensuring proper vacuum management. Below are the engines where this vacuum hose is applicable:

Cummins 6B5.9 Engine

The Cummins 6B5.9 engine is a robust and reliable power unit often utilized in heavy-duty applications. The vacuum hose part number 3914361 is specifically engineered to interface with the engine’s vacuum system, ensuring that it can handle the demands of this particular engine model. The hose is designed to withstand the operational stresses and environmental conditions typical of heavy-duty use, providing a durable and long-lasting solution.

Installation and Functionality

The installation of the Cummins Vacuum Hose part number 3914361 in the 6B5.9 engine involves connecting it to the appropriate vacuum ports. This hose is critical for managing vacuum pressure within the engine, which affects various systems such as the brake booster, wastegate, and other vacuum-dependent components. Proper installation ensures that the engine operates smoothly and efficiently, maintaining optimal performance levels.

Importance of the Vacuum Hose

The vacuum hose is a vital component in the engine’s overall functionality. It ensures that the vacuum pressure is correctly managed, which is essential for the proper operation of several engine systems. A malfunctioning or improperly installed vacuum hose can lead to performance issues, reduced efficiency, and potential engine damage. Therefore, using a high-quality part like the Cummins Vacuum Hose 3914361 is crucial for maintaining the integrity and performance of the 6B5.9 engine.

Role of Part 3914361 Vacuum Hose in Engine Systems

The 3914361 Vacuum Hose is an essential component in the operation of various engine systems, particularly in the coordination between the pump and vacuum/hydraulic systems.

Integration with the Pump

In systems where a pump is utilized, the 3914361 Vacuum Hose facilitates the transfer of vacuum signals from the pump to other components. This hose ensures that the pump can effectively communicate with other parts of the engine system, allowing for precise control over fluid dynamics and pressure regulation. The hose’s durable construction and secure fittings are designed to withstand the rigors of continuous operation, ensuring reliable performance over time.

Coordination with Vacuum/Hydraulic Systems

The 3914361 Vacuum Hose plays a significant role in vacuum/hydraulic systems by maintaining consistent vacuum levels. It connects various vacuum-operated components, such as actuators and valves, ensuring they receive the necessary vacuum pressure to function correctly. This hose helps in modulating the hydraulic systems by providing a stable vacuum source, which is vital for the operation of brake boosters, emission control systems, and other vacuum-dependent mechanisms.

Enhanced System Performance

By ensuring a stable and consistent vacuum supply, the 3914361 Vacuum Hose contributes to the overall efficiency and reliability of the engine systems. Its role in maintaining proper vacuum levels allows for smoother operation of interconnected components, reducing the likelihood of system failures and enhancing the performance of the engine as a whole.

Reliable Signal Transmission

The hose’s ability to transmit vacuum signals accurately is fundamental to the proper functioning of the engine’s control systems. It enables the engine control unit (ECU) to receive real-time data from various sensors, allowing for adjustments to be made promptly. This ensures that the engine operates within optimal parameters, improving fuel efficiency and reducing emissions.

Conclusion

In summary, the 3914361 Vacuum Hose is a vital link in the chain of engine components, facilitating communication and ensuring the smooth operation of both pump and vacuum/hydraulic systems. Its durable construction, reliable performance, and compatibility with Cummins engines make it an essential component for maintaining the efficiency and reliability of commercial truck vacuum systems.


  1. MJ Nunney, Light and Heavy Vehicle Technology, Fourth Edition, Butterworth-Heinemann, 2007.

  2. George Peters, Barbara J Peters, Automobile Vehicle Safety, CRC Press, 2002.

  3. Michael Hilgers, The Diesel Engine Second Edition, Springer Nature, 2023.

  4. Cummins Inc., F3.8 CM2350 F143C Service Manual (5579835).

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
16.63 x 16.75 x 2.38 in
Weight
2.1 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.