4086357
Flexible Hose
Cummins®

AVAILABLE

Cummins®

7 are currently available

Ships within 2-4 business days

$189.95 $226.04

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

Introduction To Flexible Hoses In Commercial Trucks

Flexible hoses are indispensable in commercial truck engines, offering the necessary elasticity and durability to endure the demanding conditions of heavy-duty operations. These hoses facilitate the connection between various engine and cooling system components, ensuring the seamless flow of essential fluids such as coolant, oil, and fuel. Their flexibility accommodates movement and minimizes stress on the system, thereby preventing leaks and potential failures 4.

The Role Of The Cummins 4086357 Flexible Hose

The Cummins 4086357 flexible hose is engineered to meet the stringent requirements of commercial truck engines. This hose is vital for the engine’s functionality, linking the coolant pump to the radiator or heater core. Its main purpose is to transport coolant under fluctuating temperatures and pressures, ensuring the engine remains within its optimal temperature range. This function is critical in preventing overheating and maintaining engine efficiency 1.

How The Cummins 4086357 Flexible Hose Works

This Cummins part is crafted from premium materials that offer both flexibility and robustness. It generally includes a reinforced inner lining to prevent collapse and an outer layer resistant to abrasion and chemical exposure. The hose’s design allows it to expand and contract with the engine’s movement, maintaining a secure connection without imposing undue stress on the system 2.

Importance Of The Cummins 4086357 Flexible Hose In Truck Operations

The Cummins 4086357 flexible hose is pivotal to the overall performance and durability of commercial trucks. By ensuring a consistent flow of coolant, it helps maintain engine temperature, reduces wear and tear, and averts costly breakdowns. This hose is especially significant in heavy-duty applications where engines are exposed to extreme conditions, such as high temperatures and heavy loads 3.

Troubleshooting Common Issues With The Cummins 4086357 Flexible Hose

Regular inspection and maintenance are vital to ensure the Cummins 4086357 flexible hose operates correctly. Common issues include leaks, cracks, and bulges, which can result in coolant loss and engine overheating. If any of these symptoms are detected, a thorough inspection of the hose is necessary. Replace the hose if any damage is found, as compromised integrity can lead to severe engine damage 4.

Maintenance Tips For The Cummins 4086357 Flexible Hose

To extend the life of the Cummins 4086357 flexible hose, regular maintenance is essential. This includes:

  • Visual Inspections: Regularly check the hose for signs of wear, such as cracks, bulges, or leaks.
  • Pressure Testing: Conduct pressure tests to ensure the hose can withstand operating pressures without failure.
  • Cleaning: Keep the hose and its connections clean to prevent debris from causing blockages or abrasion.
  • Proper Installation: Ensure the hose is correctly installed, with no kinks or sharp bends that could restrict flow or cause stress 5.

Cummins: A Leader In Commercial Truck Parts

Cummins is a distinguished manufacturer of commercial truck parts, renowned for its high-quality and reliable products. With decades of experience, Cummins has established itself as a trusted name in the industry. Their commitment to innovation and quality ensures that their parts, including the Cummins 4086357 flexible hose, meet the demanding needs of commercial truck operators 6.

Cummins Flexible Hose Part 4086357 Compatibility

The Cummins Flexible Hose part number 4086357 is designed to fit seamlessly within the engine systems of several Cummins QSK series engines. These engines include the QSK45 CM500, QSK60 CM500, and QSK60 CM850 MCRS.

For the QSK45 CM500 and QSK60 CM500 engines, this flexible hose is engineered to connect various fluid lines, ensuring a reliable and leak-free transfer of fluids such as coolant, fuel, and hydraulic fluids. Its flexibility allows for easier installation and maintenance, accommodating the natural movement and vibrations of the engine during operation.

In the case of the QSK60 CM850 MCRS, the hose is specifically tailored to meet the stringent demands of this high-performance engine. The MCRS variant often operates in more demanding conditions, and the flexible hose ensures durability and performance, maintaining the integrity of fluid pathways under such conditions.

The design of this flexible hose ensures compatibility across these engines, providing a consistent and reliable solution for fluid management. This compatibility is crucial for maintaining engine performance and longevity, as it prevents leaks and ensures that all fluid systems operate efficiently 7.

Role of Part 4086357 Flexible Hose in Engine Systems

The part 4086357 Flexible Hose is integral to the functionality of various engine systems, ensuring efficient operation and maintenance. In the Q45/60 Centinel Kit, this hose facilitates the transfer of fluids between components, allowing for the dynamic movement required in the system without compromising the integrity of the fluid pathway.

Within the broader system context, the 4086357 Flexible Hose connects critical components, enabling them to operate in unison despite the vibrations and movements inherent in engine operations. This flexibility is essential for maintaining a consistent flow of fluids, which is vital for the system’s performance.

In oil replenishing systems, the hose plays a significant role in ensuring that oil is efficiently distributed to various engine parts. It allows for the necessary flexibility in routing, which is particularly important in complex engine designs where rigid pipes cannot be used. This ensures that oil reaches all lubricated parts, contributing to the engine’s longevity and performance.

Overall, the 4086357 Flexible Hose is a key component in maintaining the fluid dynamics within engine systems, supporting both the operational efficiency and the durability of the engine 8.

Conclusion

Understanding the role and maintenance of the Cummins 4086357 flexible hose is crucial for ensuring the efficient operation of commercial trucks. By recognizing the importance of this component and implementing proper maintenance practices, engineers, mechanics, truck drivers, and fleet operators can prevent costly breakdowns and extend the life of their vehicles. Cummins’ reputation for quality and reliability makes their parts a trusted choice for heavy-duty applications.


  1. Rajamani, R. (2005). Vehicle Dynamics and Control. Springer.

  2. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

  3. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 5659625.

  4. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  5. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  6. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 5659625.

  7. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 5659625.

  8. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 5659625.

SPECIFICATIONS

Service Part Topic
04T19-2
Package Dimensions
37.6 x 8.0 x 2.0 in
Weight
0.112 lb
* 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.