3683068
Plain Pipe Coupling
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$50.95 $60.63

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 3683068 Plain Pipe Coupling is a component manufactured by Cummins, a well-established name in the commercial truck industry. This coupling is designed for use in commercial trucks, where it facilitates the connection of different sections of piping or hoses within the vehicle’s fluid transfer systems.

Basic Concepts of Plain Pipe Couplings

Plain pipe couplings are mechanical devices used to join two sections of pipe or hose together. They function by providing a secure, leak-proof connection that allows for the efficient transfer of fluids. These couplings are commonly used in various fluid transfer systems, including those found in commercial trucks, where they help maintain the integrity and efficiency of the system 1.

Purpose of the 3683068 Plain Pipe Coupling

The 3683068 Plain Pipe Coupling plays a role in the operation of a truck by connecting different sections of piping or hoses. This connection is vital for the uninterrupted flow of fluids, such as fuel, coolant, or hydraulic fluid, throughout the truck’s systems. By ensuring a secure and leak-proof join, the coupling contributes to the overall efficiency and reliability of the truck’s fluid transfer systems.

Key Features

The 3683068 Plain Pipe Coupling boasts several key features that enhance its performance. It is constructed from durable materials, ensuring longevity and resistance to wear and tear. The design of the coupling allows for easy installation and removal, facilitating maintenance and repair processes. Additionally, the coupling is engineered to provide a secure seal, minimizing the risk of leaks and ensuring efficient fluid transfer.

Benefits

The 3683068 Plain Pipe Coupling offers several benefits. Its robust construction and secure seal contribute to improved fluid transfer efficiency, reducing the likelihood of leaks and system failures. The coupling’s durability ensures it can withstand the demanding conditions of commercial truck operations, providing long-term reliability. Furthermore, its design allows for straightforward installation, minimizing downtime during maintenance procedures.

Installation Process

Installing the 3683068 Plain Pipe Coupling involves several steps. First, ensure the pipe or hose sections to be connected are clean and free of debris. Next, align the coupling with the sections and push it into place until a secure connection is achieved. Tools such as wrenches may be required to tighten any fittings or clamps associated with the coupling. Always refer to the manufacturer’s instructions for specific guidance and safety precautions.

Troubleshooting Common Issues

Common issues with the 3683068 Plain Pipe Coupling may include leaks or disconnections. To address these problems, first, ensure the coupling is correctly installed and securely fastened. Inspect the coupling and connected pipes or hoses for signs of damage or wear that may compromise the seal. If a leak persists, the coupling may need to be replaced. Regular inspections can help identify and resolve issues before they lead to system failures.

Maintenance Tips

To ensure the longevity and optimal performance of the 3683068 Plain Pipe Coupling, regular maintenance is recommended. Inspect the coupling and connected pipes or hoses for signs of wear, damage, or leaks at regular intervals. Clean the coupling as necessary to remove any buildup that may affect its performance. Following these maintenance practices can help prevent issues and ensure the efficient operation of the truck’s fluid transfer systems.

Cummins Overview

Cummins is a renowned manufacturer in the commercial truck industry, known for its wide range of high-quality products. With a history of innovation and excellence, Cummins has established a strong reputation for producing reliable and efficient components. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of commercial truck operations.

Plain Pipe Coupling Part 3683068 in Cummins Engines

The Plain Pipe Coupling part 3683068 is a critical component in several Cummins engine models, ensuring seamless connections between pipes and hoses. This part is designed to facilitate the assembly of various systems within the engine, providing a reliable and leak-free connection.

ISM CM570/870 and ISM CM876

In the ISM CM570/870 and ISM CM876 engines, the Plain Pipe Coupling part 3683068 is utilized to connect different sections of the exhaust system. This coupling ensures that the exhaust gases flow efficiently from the engine to the exhaust treatment system, maintaining optimal performance and reducing emissions.

ISX CM870

Similarly, in the ISX CM870 engine, the Plain Pipe Coupling part 3683068 plays a vital role in the engine’s exhaust system. It is used to join various components of the exhaust manifold, ensuring that the exhaust gases are directed properly through the system. This coupling is essential for maintaining the integrity of the exhaust system and ensuring the engine operates efficiently.

QSM11 CM876

The QSM11 CM876 engine also incorporates the Plain Pipe Coupling part 3683068 in its design. This part is used to connect different sections of the engine’s cooling system, ensuring that coolant flows smoothly through the engine. The coupling’s design allows for easy assembly and disassembly, making maintenance and repairs more straightforward.

In all these engines, the Plain Pipe Coupling part 3683068 is a crucial component that ensures the proper functioning of the engine’s systems. Its design and material ensure durability and reliability, making it an essential part of the engine’s overall performance.

Role of Part 3683068 Plain Pipe Coupling in Engine Systems

In the context of engine systems, the 3683068 Plain Pipe Coupling is instrumental in ensuring the seamless connection and efficient operation of various components.

Recirculation Systems

Within recirculation systems, the Plain Pipe Coupling is employed to join sections of piping that facilitate the return flow of fluids or gases. This is particularly important in systems where recirculation is necessary to maintain optimal operating conditions, such as in cooling systems or fuel return lines. The coupling ensures a secure and leak-free connection, which is essential for maintaining system integrity and efficiency. It allows for easy disassembly and reassembly during maintenance, which is beneficial for routine checks and repairs.

Exhaust Systems

In exhaust systems, the Plain Pipe Coupling plays a significant role in connecting various sections of the exhaust pipe. This is vital for directing exhaust gases away from the engine and out through the tailpipe. The coupling must withstand high temperatures and pressures, ensuring a durable and reliable connection. It also aids in reducing vibrations and stress on the exhaust components, contributing to the overall longevity of the exhaust system. Additionally, the coupling allows for flexibility in the exhaust layout, accommodating the dynamic movements of the engine and chassis during operation 2.

Conclusion

The 3683068 Plain Pipe Coupling is a vital component in the fluid transfer systems of commercial trucks, ensuring secure and efficient connections between pipes and hoses. Its robust construction, ease of installation, and reliable performance make it an essential part of Cummins engines, contributing to the overall efficiency and reliability of these systems.


  1. Dixon, John C. Tyres Suspension and Handling Second Edition. SAE International, 1996.

  2. Aird, Forbes. Bosch Fuel Injection Systems. HP Books, 2001.

SPECIFICATIONS

Package Dimensions
3.3 x 1.7 x 1.7 in
Weight
0.15 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.