3680064
Plain Hose Coupling
Cummins®

AVAILABLE

Cummins®

5 are currently available

Ships within 2-4 business days

$70.95 $84.43

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

The Cummins 3680064 Plain Hose Coupling is a critical component in commercial truck operations, designed to facilitate the efficient transfer of fluids within the truck’s systems. This coupling is essential for maintaining the operational integrity of various fluid systems, contributing to the overall performance and reliability of commercial trucks.

Basic Concepts of Plain Hose Couplings

Plain hose couplings are devices used to connect two hoses or a hose to a fitting, enabling the transfer of fluids such as fuel, hydraulic fluid, or coolant. They are engineered to provide a secure and leak-free connection, accommodating slight misalignments and vibrations that occur during operation. These couplings are widely utilized in fluid transfer systems due to their simplicity, reliability, and ease of use 1.

Purpose of the Cummins 3680064 Plain Hose Coupling

The Cummins 3680064 Plain Hose Coupling is specifically designed for commercial truck applications to connect hoses. It facilitates the transfer of fluids by providing a robust and reliable connection point. This coupling ensures that the fluid transfer systems operate smoothly, minimizing the risk of leaks and ensuring consistent performance across various truck systems.

Key Features

The Cummins 3680064 Plain Hose Coupling features a straightforward design that includes a body, clamps, and hose barbs. It is constructed from durable materials that resist corrosion and wear, ensuring longevity in demanding environments. The coupling’s design allows for easy installation and removal, and it can accommodate a range of hose sizes, making it versatile for different applications.

Benefits

The Cummins 3680064 Plain Hose Coupling offers several benefits, including improved reliability in fluid transfer systems, ease of installation, and maintenance advantages. Its design reduces the likelihood of leaks, and its durable construction ensures it can withstand the rigors of commercial truck operations. Additionally, the coupling’s ease of installation and maintenance contributes to reduced downtime and operational costs 2.

Installation Process

Installing the Cummins 3680064 Plain Hose Coupling involves several steps. First, ensure the hoses are clean and free of debris. Next, slide the coupling onto one of the hoses, ensuring it is seated correctly. Then, connect the second hose, making sure it is aligned properly with the coupling. Finally, use the provided clamps to secure the hoses in place, ensuring a tight and leak-free connection.

Common Applications

The Cummins 3680064 Plain Hose Coupling is commonly used in various commercial truck systems, including fuel, hydraulic, and coolant systems. Its versatility and reliability make it suitable for a wide range of applications, ensuring efficient fluid transfer and contributing to the overall performance of the truck.

Troubleshooting and Maintenance

Common issues with the Cummins 3680064 Plain Hose Coupling may include leaks, coupling misalignment, and wear and tear. To troubleshoot these issues, inspect the coupling for signs of damage or wear, ensure proper alignment, and check for secure clamp connections. Regular maintenance, such as inspecting for leaks and ensuring tight connections, can help prolong the life of the coupling and maintain optimal performance 3.

Safety Considerations

When working with the Cummins 3680064 Plain Hose Coupling, it is important to follow safety guidelines and precautions. This includes wearing appropriate personal protective equipment, ensuring the system is depressurized before making any connections or disconnections, and following proper installation and maintenance practices to prevent accidents and ensure safe operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is known for producing high-quality components that enhance the performance and reliability of commercial vehicles. The company’s commitment to innovation and excellence has made it a trusted name in the industry 4.

Compatibility of Part 3680064 with Cummins Engines

The Plain Hose Coupling part number 3680064 is designed to fit seamlessly with a variety of Cummins engines, ensuring a reliable connection for hoses in the engine’s system. This part is integral for maintaining the integrity of the engine’s cooling, fuel, and exhaust systems.

ISX Series

  • ISX CM570
  • ISX CM870
  • ISX CM871

The Plain Hose Coupling part 3680064 is compatible with the ISX series engines, which are known for their robust performance and efficiency. This part ensures that hoses are securely attached, preventing leaks and maintaining system pressure.

ISX15 Series

  • ISX15 CM2250
  • ISX15 CM2250 SN
  • ISX15 CM2350 X101

The ISX15 series engines benefit from the Plain Hose Coupling part 3680064, which is engineered to fit these models perfectly. This part is crucial for the proper functioning of the engine’s systems, ensuring that hoses remain securely connected under various operating conditions.

QSX15 Series

  • QSX15 CM2250

The QSX15 CM2250 engine is also compatible with the Plain Hose Coupling part 3680064. This part is essential for maintaining the engine’s performance by ensuring that hoses are securely attached, which is critical for the engine’s cooling and exhaust systems.

X15 Series

  • X15 CM2350 X116B
  • X15 CM2350 X123B
  • X15 CM2450 X134B

The X15 series engines, including the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B, are designed to work with the Plain Hose Coupling part 3680064. This part ensures that hoses are securely connected, which is vital for the engine’s performance and longevity.

Role of Part 3680064 Plain Hose Coupling in Engine Systems

Compressor Air Inlet Arrangement

In the compressor air inlet arrangement, the Plain Hose Coupling (part 3680064) is instrumental in ensuring a secure and leak-free connection between the air intake hose and the compressor. This coupling allows for efficient airflow into the compressor, which is essential for optimal performance. The coupling’s design accommodates slight misalignments and vibrations, maintaining a consistent air supply even under varying operational conditions. This reliability is key in preventing compressor stalls and ensuring that the air filtration system operates effectively.

Radiator Plumbing

Within the radiator plumbing system, the Plain Hose Coupling (part 3680064) plays a significant role in connecting the radiator hoses to the engine and other cooling system components. This ensures a seamless flow of coolant, which is vital for maintaining engine temperature within safe operating limits. The coupling’s robust construction withstands the pressure and temperature fluctuations inherent in the cooling system, providing a durable connection that resists leaks and degradation over time. This consistent coolant flow helps in dissipating heat efficiently, protecting the engine from overheating and potential damage.

Conclusion

The Cummins 3680064 Plain Hose Coupling is a vital component in commercial truck operations, ensuring the efficient and reliable transfer of fluids within the truck’s systems. Its compatibility with various Cummins engines, ease of installation, and maintenance advantages make it an essential part for maintaining the performance and reliability of commercial vehicles.


  1. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  2. Majewski, Addy, and Hannu Jaskelainen. Diesel Emissions and Their Control: Second Edition. SAE International, 2023.

  3. Bosch GmbH, Robert. Bosch Automotive Electrics and Automotive Electronics: Systems and Components, Networking and Hybrid Drive 5th Edition. Springer Vieweg, 2007.

  4. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.4 x 3.3 x 2.5 in
Weight
1.05 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.