4943958
Plain Hose Coupling
Cummins®

Introduction

The 4943958 Plain Hose Coupling, manufactured by Cummins, is a component designed for use in commercial trucks. It plays a role in the vehicle’s fluid systems by providing secure and leak-free connections ².

Basic Concepts of Plain Hose Couplings

Plain hose couplings are devices used to connect hoses or a hose to a fitting in fluid systems. They provide a secure and leak-free connection that can withstand the pressures and temperatures typical in such systems. These couplings operate by clamping the hose ends together, often using a screw mechanism to tighten and ensure a snug fit ¹.

Purpose of the 4943958 Plain Hose Coupling

In commercial trucks, the 4943958 Plain Hose Coupling connects various fluid lines, ensuring the smooth transfer of liquids such as fuel, coolant, or hydraulic fluid. It is integral to maintaining the integrity of the truck’s fluid systems, facilitating efficient operation and performance ².

Key Features

This Cummins part is characterized by several key features that enhance its functionality and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The design includes a robust clamp mechanism that provides a secure connection, minimizing the risk of leaks. Additionally, the coupling is engineered to accommodate a range of hose sizes, offering versatility in application ².

Benefits

The use of the 4943958 Plain Hose Coupling offers several advantages. It contributes to the overall reliability of the truck’s fluid systems by providing a secure and durable connection. The design of the coupling also facilitates ease of installation, reducing downtime during maintenance procedures. Furthermore, its construction allows for straightforward maintenance, enabling quick inspections and replacements when necessary ².

Installation Process

Installing the 4943958 Plain Hose Coupling involves several steps to ensure a proper and secure connection. First, the hose ends are prepared by cleaning and, if necessary, cutting to the appropriate length. The coupling is then positioned over the hose ends, and the clamp is tightened using the provided tool until a snug fit is achieved. It is important to follow the manufacturer’s guidelines to ensure the coupling is installed correctly and functions as intended ².

Troubleshooting Common Issues

Common issues with plain hose couplings can include leaks, difficulty in installation, or coupling failure. These problems may arise from incorrect installation, wear and tear, or exposure to extreme conditions. Troubleshooting steps involve inspecting the coupling for signs of damage, ensuring the clamp is properly tightened, and replacing the coupling if it shows signs of wear or failure ².

Maintenance Tips

Regular maintenance of the 4943958 Plain Hose Coupling is key to ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, corrosion, or leaks. Cleaning the coupling and its surrounding areas can prevent the buildup of debris that may affect its operation. Additionally, following the manufacturer’s recommendations for inspection intervals and replacement can help maintain the efficiency of the truck’s fluid systems ².

Role in Fluid Systems

The 4943958 Plain Hose Coupling plays a role in the fluid systems of a truck by providing a reliable connection between hoses and fittings. It interacts with various components within these systems, ensuring the smooth transfer of fluids necessary for the truck’s operation. Its integration into the fluid systems is crucial for maintaining system integrity and efficiency ².

About Cummins

Cummins is a renowned manufacturer with a rich history in the engine and component manufacturing industry. The company is known for its expertise in producing high-quality, reliable components that meet the demanding requirements of commercial vehicles. Cummins’ reputation in the industry is built on a commitment to innovation, quality, and customer satisfaction, making it a trusted name among professionals in the automotive and heavy-duty truck sectors ³.

Cummins Engine Compatibility with Part 4943958

The Plain Hose Coupling part number 4943958, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in ensuring the proper connection and sealing of hoses within the engine’s system, facilitating efficient fluid transfer and maintaining system integrity.

B4.5 CM2350 B129B and F3.8 CM2350 F120B

The Plain Hose Coupling 4943958 is compatible with the B4.5 CM2350 B129B and F3.8 CM2350 F120B engines. These engines share similar configurations in their hose management systems, making this part a suitable fit for both.

D4.0 CM2620 D103B and F3.8 CM2620 F137B

The part also fits the D4.0 CM2620 D103B and F3.8 CM2620 F137B engines. These engines, while differing in displacement and specific configurations, have hose systems that align with the design of the 4943958 coupling, ensuring a secure and leak-proof connection.

F4.5 CM2620 F139B

The F4.5 CM2620 F139B engine is another model that is compatible with the Plain Hose Coupling 4943958. This engine’s hose system is designed to work seamlessly with this coupling, providing reliable performance and durability.

ISB CM2150 and ISB/ISD4.5 CM2150 B119

The Plain Hose Coupling 4943958 is also suitable for the ISB CM2150 and ISB/ISD4.5 CM2150 B119 engines. These engines, part of the ISB series, have hose systems that are compatible with this coupling, ensuring efficient fluid management.

ISB4.5 CM2350 B104 and ISB6.7 CM2250

The part fits the ISB4.5 CM2350 B104 and ISB6.7 CM2250 engines as well. These engines, while differing in displacement, share common design elements in their hose systems that align with the 4943958 coupling.

ISBE4 CM850 and ISF3.8 CM2220 F103

The Plain Hose Coupling 4943958 is compatible with the ISBE4 CM850 and ISF3.8 CM2220 F103 engines. These engines have hose systems that are designed to work with this coupling, ensuring optimal performance and reliability.

ISF4.5 CM2220 F123 and QSF3.8 CM2350 F107

Lastly, the part fits the ISF4.5 CM2220 F123 and QSF3.8 CM2350 F107 engines. These engines, with their specific configurations, are designed to work with the 4943958 coupling, ensuring a secure and efficient hose connection.

Role of Part 4943958 Plain Hose Coupling in Engine Systems

The 4943958 Plain Hose Coupling is a component in various engine systems, facilitating the secure and efficient connection of hoses to different parts of the engine.

In plumbing systems, the Plain Hose Coupling ensures a reliable connection between hoses and pipes, allowing for the smooth transfer of fluids such as coolant or fuel. This connection is vital for maintaining the integrity of the plumbing network, preventing leaks, and ensuring consistent fluid flow throughout the system.

For the cabin heater, the Plain Hose Coupling plays a role in connecting the heater core to the engine’s cooling system. This connection allows hot coolant to flow into the heater core, where it transfers heat to the cabin’s air, providing warmth to passengers. The secure fit provided by the coupling ensures that the coolant flow is uninterrupted, enhancing the efficiency of the heating system.

In applications involving exhaust recirculation, the Plain Hose Coupling is used to connect hoses that reroute a portion of the exhaust gases back into the engine’s intake system. This process helps reduce emissions by lowering the combustion temperature. The coupling ensures a tight seal, preventing exhaust gases from escaping and maintaining the effectiveness of the recirculation system.

Additionally, in systems that utilize exhaust recirculation water, the Plain Hose Coupling is employed to connect hoses that transport water used in the cooling of recirculated exhaust gases. This water helps further reduce emissions and protect engine components from excessive heat. The coupling ensures that the water flow is consistent and leak-free, contributing to the overall efficiency and reliability of the system.

Conclusion

The 4943958 Plain Hose Coupling by Cummins is a vital component in the fluid systems of commercial trucks. Its design and features ensure secure, leak-free connections that contribute to the efficient operation of the vehicle. Regular maintenance and proper installation are key to maximizing the performance and longevity of this part.