3911880
Elbow Hose Coupling
Cummins®

The 3911880 Elbow Hose 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 plays a role in facilitating the transfer of fluids through hose systems. Hose couplings are integral to fluid transfer systems, providing secure and efficient connections between hoses and other components.

Basic Concepts of Elbow Hose Couplings

An elbow hose coupling is a fitting that allows hoses to be connected at an angle, rather than in a straight line. This type of coupling is particularly useful in applications where space constraints or the layout of the system require hoses to be routed in a non-linear fashion. By enabling angled connections, elbow hose couplings contribute to the flexibility and efficiency of fluid transfer systems ¹.

Purpose of the 3911880 Elbow Hose Coupling in Truck Operations

The 3911880 Elbow Hose Coupling is utilized in various fluid systems within commercial trucks, including coolant, fuel, and hydraulic lines. Its role is to provide a secure and reliable connection between hoses, ensuring the efficient transfer of fluids throughout the system. This coupling is designed to withstand the pressures and temperatures associated with these applications, contributing to the overall performance and reliability of the truck’s fluid systems ².

Key Features

The 3911880 Elbow Hose Coupling is constructed with materials and design features that enhance its performance and durability. It is made from high-quality materials that are resistant to corrosion and wear, ensuring long-term reliability. The coupling features a design that allows for easy connection and disconnection of hoses, facilitating maintenance and repair procedures. Additionally, it is engineered to provide a tight seal, minimizing the risk of leaks and ensuring efficient fluid transfer ³.

Benefits of Using the 3911880 Elbow Hose Coupling

The 3911880 Elbow Hose Coupling offers several advantages for commercial truck applications. Its design promotes improved fluid flow, reducing the risk of restrictions or blockages within the system. The coupling’s secure connection minimizes the potential for leaks, enhancing system efficiency and safety. Furthermore, its durable construction and ease of installation and maintenance make it a practical choice for truck operators and maintenance professionals.

Installation Considerations

When installing the 3911880 Elbow Hose Coupling, it is important to follow guidelines and best practices to ensure a secure and efficient connection. This includes adhering to torque specifications for tightening the coupling, ensuring proper alignment of the hoses, and verifying compatibility with the specific hose types and sizes being used. Careful attention to these details during installation will contribute to the long-term performance and reliability of the fluid transfer system.

Maintenance and Troubleshooting

Routine maintenance of the 3911880 Elbow Hose Coupling is important to ensure optimal performance and longevity. This includes regular inspection for signs of wear or damage, cleaning the coupling and surrounding areas to prevent contamination, and applying lubrication as recommended by the manufacturer. Troubleshooting common issues such as leaks or connection failures may involve checking for proper alignment, ensuring the coupling is tightened to the correct torque, and inspecting the hoses for signs of wear or damage.

Safety Considerations

When working with the 3911880 Elbow Hose Coupling, it is important to observe safety precautions and guidelines to mitigate risks of injury or equipment damage. This includes proper handling of the coupling and hoses to prevent accidents, storing the components in a safe and dry location, and disposing of any waste materials in accordance with local regulations. Additionally, it is crucial to follow all manufacturer recommendations and industry best practices when installing, maintaining, or repairing the coupling to ensure safe and efficient operation.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, with a history of innovation and commitment to quality. The company offers a diverse product portfolio that includes engines, powertrains, and components designed for heavy-duty applications. Cummins is recognized for its dedication to customer satisfaction, providing reliable and high-performance products that meet the demanding requirements of commercial truck operators. The 3911880 Elbow Hose Coupling is a testament to Cummins’ expertise in manufacturing automotive components, offering truck operators a durable and efficient solution for fluid transfer systems.

Compatibility of Elbow Hose Coupling Part 3911880 with Cummins Engines

The Elbow Hose Coupling part number 3911880, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in ensuring a secure and leak-proof connection between hoses and engine components, facilitating the transfer of fluids or gases within the engine system.

Engines Compatible with Part 3911880

• 4B3.9
• 6B5.9
• B5.9 G
• B5.9 GAS PLUS CM556
• ISB CM550
• ISB5.9G CM2180
• ISC CM850
• ISG12 G CMOH6.0 G111
• ISL9 CM2150 SN
• QSB4.5 CM850(CM2850)
• QSB5.9 44 CM550
• QSB6.7 CM850(CM2850)
• QSB7 CM2880 B117

Grouping of Compatible Engines

The engines listed can be grouped based on their series and specifications, providing a clearer understanding of where the part 3911880 can be applied:

• B Series Engines:

  • B5.9 G
  • B5.9 GAS PLUS CM556

• ISB Series Engines:

  • ISB CM550
  • ISB5.9G CM2180

• ISC Series Engines:

  • ISC CM850

• ISG Series Engines:

  • ISG12 G CMOH6.0 G111

• ISL Series Engines:

  • ISL9 CM2150 SN

• QSB Series Engines:

  • QSB4.5 CM850(CM2850)
  • QSB5.9 44 CM550
  • QSB6.7 CM850(CM2850)
  • QSB7 CM2880 B117

This part is engineered to ensure compatibility across these diverse engine models, providing a reliable solution for maintaining the integrity of the engine’s fluid and gas transfer systems.

Role of Part 3911880 Elbow Hose Coupling in Engine Systems

The 3911880 Elbow Hose Coupling is an essential component in various engine systems, facilitating the efficient transfer of fluids and gases. Its primary function is to provide a secure and leak-proof connection between different sections of hoses and pipes within the engine’s fluid dynamics network.

Engine Cooling System

In the engine cooling system, the 3911880 Elbow Hose Coupling is often used to connect the water inlet to the engine block. This ensures a consistent flow of coolant from the radiator to the engine, maintaining optimal operating temperatures. It also connects to the coolant heater, which aids in quicker engine starting in cold conditions by preheating the coolant.

Engine Oil Cooling System

Within the engine oil cooling system, the Elbow Hose Coupling plays a significant role in linking the engine oil cooler to the lubricating oil filter head. This connection allows for the efficient transfer of heat from the engine oil to the cooler, ensuring that the oil remains within the desired temperature range for effective lubrication.

Exhaust Recirculation System

In the exhaust recirculation system, the 3911880 Elbow Hose Coupling is utilized to connect the exhaust recirculation valve to the engine’s plumbing. This helps in redirecting a portion of the exhaust gases back into the intake system, reducing emissions and improving fuel efficiency.

Heat Exchanger Applications

The Elbow Hose Coupling is also integral in heat exchanger applications, where it connects various components such as the coolant heater and the engine cooling system. This facilitates the transfer of heat between different fluids, enhancing the overall efficiency of the engine’s thermal management.

General Plumbing Connections

Across various engine systems, the 3911880 Elbow Hose Coupling serves as a versatile connector in the engine’s plumbing. It ensures that all fluid and gas pathways are securely linked, preventing leaks and maintaining the integrity of the system.

Conclusion

The 3911880 Elbow Hose Coupling by Cummins is a critical component in the fluid transfer systems of commercial trucks and various engine applications. Its design and construction ensure secure, leak-proof connections that contribute to the efficiency and reliability of these systems. Proper installation, maintenance, and adherence to safety guidelines are essential to maximize the benefits of this Cummins part, ensuring long-term performance and safety in commercial truck operations.