3639542
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$519.95 $618.74

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 3639542 Flexible Hose is a component designed for use in commercial trucks. It serves a role in the operation of these vehicles by facilitating the transfer of fluids between various systems. This hose is engineered to withstand the demanding conditions encountered in heavy-duty applications, ensuring reliable performance and longevity.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive systems to connect different components, allowing for the transfer of fluids such as coolant, fuel, and hydraulic fluids. They are designed to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses are typically made from materials that offer a balance of flexibility, durability, and resistance to the specific fluids they transport 1.

Purpose of the Cummins 3639542 Flexible Hose

The Cummins 3639542 Flexible Hose is specifically designed to connect systems within a truck that require fluid transfer. It plays a role in transporting fluids between components, ensuring that systems operate efficiently. This hose is integral to maintaining the functionality of the truck’s systems by providing a reliable connection that can endure the rigors of commercial use 2.

Key Features

The Cummins 3639542 Flexible Hose boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that offer excellent flexibility and resistance to wear and tear. The hose’s design includes reinforced ends to ensure a secure connection to fittings, and it is engineered to withstand high pressure and temperature variations commonly encountered in truck applications 3.

Benefits

The Cummins 3639542 Flexible Hose provides several advantages. Its flexibility allows it to accommodate the movement and vibration inherent in truck operations, reducing the risk of leaks and disconnections. The hose’s durable construction ensures long-term reliability, and its design facilitates ease of installation, making it a practical choice for maintenance and repair tasks 4.

Installation Considerations

Proper installation of the Cummins 3639542 Flexible Hose is important to ensure optimal performance and longevity. It is recommended to follow manufacturer guidelines for fitting connections to prevent damage to the hose. Ensuring that the hose is routed correctly and secured in place will help maintain its integrity and functionality.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3639542 Flexible Hose, regular maintenance is recommended. This includes periodic inspections for signs of wear, cracking, or leaks. Cleaning the hose and its connections can prevent buildup that may lead to obstructions or degradation. Following these maintenance practices will help sustain the hose’s condition and performance.

Troubleshooting Common Issues

Common issues with flexible hoses may include leaks, degradation, or blockages. If a leak is detected, it is important to identify the source and address it promptly to prevent fluid loss and potential damage to the truck’s systems. Regular inspections can help catch degradation early, allowing for timely replacement. Blockages may require cleaning or, in some cases, replacement of the hose.

Safety Precautions

When handling and working with the Cummins 3639542 Flexible Hose, it is important to observe safety measures. This includes wearing appropriate protective equipment, such as gloves and safety glasses, to prevent injury. Ensuring that the work area is well-ventilated is also important, especially when working with fluids that may emit harmful fumes.

Environmental Impact

The use and disposal of the Cummins 3639542 Flexible Hose should be considered in terms of environmental impact. Recycling options for hose materials may be available, and it is important to dispose of them in accordance with local regulations. Adopting sustainable practices, such as using hoses made from recyclable materials, can contribute to reducing the environmental footprint of truck maintenance and operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a diverse product range, Cummins is committed to providing reliable and efficient solutions for the automotive industry. The company’s focus on quality and performance is evident in its components, including the Cummins 3639542 Flexible Hose.

Cummins Flexible Hose 3639542 Compatibility with Engine Models

The Cummins Flexible Hose part number 3639542 is designed to fit seamlessly with several of the company’s engine models. This hose is engineered to provide a reliable connection in various applications, ensuring durability and performance. Here are the specific engine models that this hose is compatible with:

QSK60 Series

  • QSK60 CM500: This engine model benefits from the flexible hose’s ability to withstand the operational stresses and provide a secure connection.
  • QSK60 CM850 MCRS: The QSK60 CM850 MCRS engine also integrates this flexible hose, leveraging its flexibility to maintain efficient fluid transfer under varying conditions.

QSK78 Series

  • QSK78 CM500: The QSK78 CM500 engine is another model that utilizes the 3639542 flexible hose. Its design ensures that the hose can handle the specific demands of this engine, providing a stable and reliable connection.

Each of these engines relies on the flexible hose to maintain fluid flow and system integrity, ensuring that the engine operates smoothly and efficiently. The compatibility of the 3639542 flexible hose with these models underscores its versatility and importance in the engine’s overall performance.

Role of Part 3639542 Flexible Hose in Engine Systems

The part 3639542 Flexible Hose is integral to the efficient operation of various engine systems, particularly in the context of the primer and engine lubricating components.

Primer System Integration

In the primer system, the Flexible Hose facilitates the transfer of fuel from the primer bulb to the carburetor. This ensures a consistent fuel supply during engine start-up, which is essential for smooth and reliable ignition. The flexibility of the hose allows it to accommodate the movements and vibrations inherent in engine operation, maintaining a secure and leak-free connection between the primer bulb and the carburetor. This reliability is key to achieving the desired fuel-air mixture, which is vital for optimal engine performance.

Engine Lubricating System Contribution

Within the engine lubricating system, the Flexible Hose plays a significant role in transporting lubricant from the oil pump to various engine components that require lubrication. Its flexibility enables it to navigate the complex pathways within the engine bay, ensuring that critical parts such as the crankshaft, camshaft, and pistons receive a steady supply of oil. This consistent lubrication reduces friction and wear, contributing to the longevity and efficiency of the engine. The hose’s durable construction ensures it can withstand the high temperatures and pressures associated with engine lubricants, further enhancing its effectiveness in this application.

Overall, the part 3639542 Flexible Hose is a vital component in both the primer and engine lubricating systems, ensuring that these systems operate smoothly and efficiently.

Conclusion

The Cummins 3639542 Flexible Hose is a critical component in the operation of commercial trucks, facilitating the transfer of fluids between various systems. Its design, featuring high-quality materials and reinforced ends, ensures durability and reliable performance under demanding conditions. Proper installation, regular maintenance, and adherence to safety precautions are essential for maximizing the hose’s longevity and effectiveness. Additionally, considering the environmental impact of its use and disposal contributes to sustainable practices in truck maintenance and operation.


  1. Owen C Duffy and Gus Wright, Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems (Jones Bartlett Learning, 2016)

  2. BT Fijalkowski, Automotive Mechatronics Operational and Practical Issues Volume 1 (Springer, 2011)

  3. Reza N. Jazar, Vehicle Dynamics: Theory and Application (Springer, 2017)

  4. Libby Osgood, Gayla Cameron, and Emma Christensen, Engineering Mechanics: Statics (Creative Commons, 2024)

SPECIFICATIONS

Package Dimensions
92.5 x 5.0 x 5.0 in
Weight
0.943 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.