4941309
Starting Aid
Cummins®

AVAILABLE

Cummins®

10 are currently available

Ships within 2-4 business days

$139.95 $166.54

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 4941309 Flexible Hose Assembly is a component manufactured by Cummins, a well-established name in the commercial truck industry. This hose assembly is designed for use in commercial trucks, where it plays a role in the fluid transfer systems. Hose assemblies are integral to the efficient operation of trucks, facilitating the movement of various fluids necessary for the vehicle’s performance and maintenance 1.

Basic Concepts of Flexible Hose Assemblies

Flexible hose assemblies are components used in fluid transfer systems to connect different parts of the system, allowing for the movement of fluids such as coolant, fuel, and hydraulic fluid. These assemblies are constructed from materials that offer flexibility, durability, and resistance to the specific fluids they are designed to transport. Common materials include rubber, synthetic polymers, and metal reinforcements, which contribute to the hose’s ability to withstand pressure, temperature variations, and chemical exposure 2.

Role of the 4941309 Flexible Hose Assembly in Truck Operations

The 4941309 Flexible Hose Assembly serves a specific function within a truck’s system by connecting components and enabling the transfer of fluids. It is engineered to handle various types of fluids, depending on its application, and is designed to interface with specific components within the truck’s fluid systems. This assembly ensures that fluids are transported efficiently and reliably, contributing to the overall performance and longevity of the truck 3.

Key Features

The 4941309 Flexible Hose Assembly incorporates several design elements and specifications that enhance its performance and durability. These include a material composition that offers resistance to the fluids it transports, flexibility to accommodate movement and vibration, and connection types that ensure a secure fit with other components. These features collectively contribute to the assembly’s reliability and efficiency in commercial truck applications 4.

Benefits of Using the 4941309 Flexible Hose Assembly

Utilizing the 4941309 Flexible Hose Assembly offers several advantages. Its design allows for improved flexibility, which accommodates the dynamic movements of a truck’s components. This flexibility reduces the risk of leaks, a common issue with rigid hoses. Additionally, the assembly’s durable construction enhances its longevity, and its design facilitates ease of installation, minimizing downtime during maintenance procedures 5.

Installation Considerations

When installing the 4941309 Flexible Hose Assembly, it is important to follow guidelines and best practices to ensure proper fit and function. This includes using the necessary tools, preparing the installation area, and following alignment procedures to connect the assembly securely to the system’s components. Proper installation is key to the assembly’s performance and the truck’s overall efficiency 6.

Maintenance and Troubleshooting

Regular maintenance checks are recommended to ensure the 4941309 Flexible Hose Assembly continues to function effectively. Common issues that may arise include leaks or wear, which can be addressed through troubleshooting steps such as inspecting for damage, checking connections for tightness, and replacing worn sections as needed. Proactive maintenance helps prevent unexpected failures and ensures the truck operates smoothly 7.

Safety Considerations

When working with the 4941309 Flexible Hose Assembly, it is important to follow safety practices. This includes handling the assembly with care to avoid damage, conducting pressure tests to ensure it can withstand operational pressures, and having emergency response measures in place for leaks or failures. Adhering to these safety considerations protects both the equipment and the personnel involved in its maintenance 8.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its history of innovation and commitment to quality. The company offers a wide range of products, including engines, filtration systems, and components like the 4941309 Flexible Hose Assembly. Cummins’ reputation is built on its dedication to producing reliable, high-performance parts that contribute to the efficiency and durability of commercial trucks 9.

Cummins Engine Part 4941309: Flexible Hose Assembly Compatibility

The Cummins Flexible Hose Assembly part number 4941309 is a versatile component designed to fit a variety of Cummins engines. This part is engineered to provide a reliable and flexible connection in various engine configurations, ensuring optimal performance and durability. Below is a detailed description of the engines with which this part is compatible:

B Series Engines

  • B4.5 CM2350 B129B
  • B6.7 CM2670 B153B

These B series engines, known for their robust performance, benefit from the flexibility and durability of the 4941309 hose assembly. This part ensures a secure connection in various applications, enhancing the engine’s operational efficiency.

F Series Engines

  • F3.8 CM2350 F120B
  • F3.8 CM2350 F128C
  • F3.8 CM2620 F137B
  • F3.8 F102
  • F4.5 CM2620 F139B
  • F4.5 CM2620 F141C

The F series engines, which are widely used in various industrial and commercial applications, are compatible with the 4941309 Flexible Hose Assembly. This part provides the necessary flexibility to accommodate the unique design and operational requirements of these engines.

ISB/ISD Series Engines

  • ISB/ISD4.5 CM2150 B119
  • ISB/ISD6.7 CM2150 SN
  • ISB3.9 CM2220 B107
  • ISB4.5 CM2350 B104
  • ISD4.5 CM2220 D108

The ISB/ISD series engines, known for their versatility and reliability, are well-suited for the 4941309 Flexible Hose Assembly. This part ensures a secure and flexible connection, enhancing the engine’s performance and longevity.

ISBE Series Engines

  • ISBE CM2150
  • ISBE4 CM850

The ISBE series engines, which are designed for high-performance applications, benefit from the flexibility and durability of the 4941309 hose assembly. This part ensures a reliable connection, supporting the engine’s demanding operational requirements.

ISF Series Engines

  • ISF2.8 CM2220 F129
  • ISF3.8 CM2220 AN
  • ISF3.8 CM2220 F103
  • ISF3.8 CM2350 F109
  • ISF4.5 CM2220 F123

The ISF series engines, known for their efficiency and reliability, are compatible with the 4941309 Flexible Hose Assembly. This part provides the necessary flexibility to accommodate the unique design and operational requirements of these engines.

ISG Series Engines

  • ISG11 CM2880 G108
  • ISG12 CM2880 G107

The ISG series engines, which are designed for high-performance applications, benefit from the flexibility and durability of the 4941309 hose assembly. This part ensures a secure and flexible connection, supporting the engine’s demanding operational requirements.

QSB Series Engines

  • QSB4.5 CM2250 EC
  • QSB4.5 CM850(CM2850)
  • QSB6.7 CM850(CM2850)

The QSB series engines, known for their versatility and reliability, are well-suited for the 4941309 Flexible Hose Assembly. This part ensures a secure and flexible connection, enhancing the engine’s performance and longevity.

Role of Part 4941309 Flexible Hose Assembly in Engine Systems

The 4941309 Flexible Hose Assembly is integral to the efficient operation of various engine systems. In the context of the Air Heater Starting (AHS) system, this hose assembly facilitates the transfer of heated air from the air heater to the intake manifold. This ensures that the air entering the engine is at an optimal temperature, enhancing combustion efficiency and reducing the time required for the engine to reach operating temperature 10.

When integrated with the Air Intake Manifold, the 4941309 Flexible Hose Assembly allows for the smooth and uninterrupted flow of air into the engine. This is particularly important in systems where the intake manifold is subject to vibrations or thermal expansion, as the flexibility of the hose accommodates these movements without compromising the integrity of the air supply 11.

In applications involving the Manifold and Air Intake systems, the 4941309 Flexible Hose Assembly serves as a vital connector. It bridges the gap between rigid components, absorbing shocks and vibrations that could otherwise lead to cracks or leaks. This not only maintains the efficiency of the air intake process but also contributes to the overall durability of the engine system 12.

Overall, the 4941309 Flexible Hose Assembly plays a significant role in enhancing the performance and reliability of engine systems by ensuring a consistent and efficient flow of air, accommodating mechanical stresses, and supporting the integration of various components.

Conclusion

The 4941309 Flexible Hose Assembly by Cummins is a critical component in the fluid transfer systems of commercial trucks. Its design, featuring flexibility, durability, and compatibility with various Cummins engines, ensures efficient and reliable operation. Proper installation, maintenance, and adherence to safety practices are essential to maximize the benefits of this part, contributing to the overall performance and longevity of the truck.


  1. Alma Hillier, Fundamentals of Motor Vehicle Technology Book 1 6th Edition, Oxford University Press, 2014.

  2. Daniel Williams, Generalized Vehicle Dynamics, SAE International, 2022.

  3. Saiful Bari, Diesel Engine Combustion, Emissions and Condition Monitoring, InTech, 2013.

  4. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  5. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  6. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  7. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  8. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  9. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  10. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  11. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

  12. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5660059, L9 CM2670 L132B.

SPECIFICATIONS

Package Dimensions
9.2 x 9.2 x 3.7 in
Weight
0.187 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.