4937836
Fuel Supply Tube
Cummins®

The Cummins 4937836 Fuel Supply Hose is a component designed for use in commercial trucks. Its purpose is to facilitate the transfer of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This part is significant in the operation of commercial trucks as it plays a role in maintaining the efficiency and performance of the vehicle’s fuel system.

Basic Concepts of Fuel Supply Hoses

A fuel supply hose is a flexible conduit used in a truck’s fuel system to transport fuel from the tank to the engine. Its function is to provide a secure and leak-free pathway for fuel delivery, accommodating the movement and vibrations inherent in vehicle operation. The hose operates under various pressures and temperatures, designed to withstand the demands of continuous fuel flow without compromising integrity ¹.

Purpose of the Cummins 4937836 Fuel Supply Hose

This Cummins part serves a specific role in the operation of a truck by ensuring efficient fuel delivery from the tank to the engine. It is integral to the fuel delivery system, contributing to overall engine performance by providing a consistent fuel supply. This consistency is important for the engine to operate efficiently, especially under varying load conditions ².

Key Features

The 4937836 is characterized by several key features that enhance its performance and durability. It is constructed from materials that offer resistance to fuel and environmental factors, ensuring longevity. The design includes elements that allow for flexibility and durability, accommodating the dynamic conditions within a truck’s fuel system. Unique characteristics may include reinforced sections for added strength in high-stress areas.

Benefits

Using this Cummins part offers several benefits. It contributes to improved fuel efficiency by ensuring a smooth and uninterrupted fuel flow. Its durable construction enhances the reliability of the fuel system, reducing the likelihood of leaks or failures. The hose is designed to perform reliably under various operating conditions, supporting the truck’s overall efficiency and performance.

Installation Considerations

When installing the 4937836, it is important to follow guidelines and best practices to ensure proper integration within the fuel system. This includes routing the hose to avoid sharp bends or excessive stress, securing it in place to prevent movement, and ensuring all connections are leak-free. Proper installation is key to maintaining the integrity of the fuel system and ensuring efficient operation.

Maintenance and Troubleshooting

To ensure the optimal performance of the Fuel Supply Hose, regular maintenance is recommended. This includes inspecting the hose for signs of wear or damage at specified intervals. Common issues such as cracks, leaks, or abrasions should be addressed promptly to prevent fuel system failures. Troubleshooting may involve checking connections for tightness and ensuring the hose is free from obstructions.

Safety Considerations

Working with fuel supply hoses requires adherence to safety considerations to prevent accidents and ensure a safe working environment. Proper handling procedures, including the use of protective equipment, are necessary when dealing with fuel systems. Precautions to prevent fuel leaks, such as ensuring all connections are secure and monitoring the hose for signs of wear, are important. In the event of a fuel spill or leak, having emergency response measures in place is important for quick and effective action.

Environmental Impact

The environmental impact of fuel supply hoses, including the 4937836, is an important consideration. Preventing fuel leaks is crucial to minimize environmental contamination. Proper maintenance of the hose plays a role in reducing the risk of fuel spills, contributing to environmental protection efforts. The design and material of the hose are also factors in its environmental impact, with considerations for recyclability and resistance to degradation.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and a reputation for quality, Cummins is committed to manufacturing high-quality automotive components. The company’s dedication to excellence is reflected in its products, including the 4937836, which is designed to meet the demanding requirements of commercial truck applications.

Compatibility

The 4937836 is designed to fit seamlessly with several of Cummins’ engine models. This hose is integral to the fuel delivery system, ensuring that fuel is efficiently and safely transported from the fuel tank to the engine. Here is a detailed look at the compatibility of this part with various Cummins engines:

ISB CM2150 and ISB6.7 CM2250

This part is compatible with the ISB CM2150 and ISB6.7 CM2250 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The fuel supply hose ensures that the engine receives a consistent fuel supply, which is crucial for maintaining optimal performance and efficiency.

ISB6.7 CM2350 B101

The ISB6.7 CM2350 B101 engine also benefits from the use of the 4937836. This engine variant is designed to deliver high power output and fuel efficiency, making it suitable for a variety of demanding applications. The hose’s design ensures that it can withstand the pressures and conditions encountered in these engines.

QSB6.7 CM2250

The QSB6.7 CM2250 engine is another model that is compatible with the 4937836. This engine is known for its versatility and is often used in both industrial and commercial applications. The fuel supply hose is engineered to fit perfectly with this engine, ensuring that the fuel delivery system operates smoothly and efficiently.

Grouping for Compatibility

The compatibility of the 4937836 with the ISB CM2150 and ISB6.7 CM2250 engines indicates that it is suitable for engines within the ISB series. Similarly, the compatibility with the ISB6.7 CM2350 B101 and QSB6.7 CM2250 engines suggests that this hose is designed to fit engines within the QSB series as well. This grouping highlights the versatility and broad applicability of the part across different engine models.

Role of 4937836 in Engine Systems

The 4937836 is an integral component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the fuel filter and subsequently to the engine’s fuel injection system or carburetor. This hose ensures a consistent and reliable fuel flow, which is essential for the engine’s performance and efficiency.

In systems equipped with fuel filter plumbing, the 4937836 connects the fuel tank to the fuel filter assembly. This connection is vital as it allows the fuel to be filtered before it reaches the engine, removing any impurities that could potentially damage the fuel injectors or carburetor. The filtered fuel then travels through the hose to the fuel injection system, where it is precisely metered and delivered to the engine’s combustion chambers.

The hose’s design and material are selected to withstand the pressures and temperatures within the fuel system, ensuring durability and reliability. It is also resistant to fuel chemicals, which prevents degradation over time. The secure fitting of the 4937836 to both the fuel tank and the fuel filter is achieved through specialized connectors or clamps, which maintain a leak-free seal.

In summary, the 4937836 plays a significant role in maintaining the integrity of the fuel delivery system. It ensures that clean, pressurized fuel is consistently supplied to the engine, contributing to optimal performance and longevity of the engine components.

Conclusion

The Cummins 4937836 Fuel Supply Hose is a critical component in the fuel delivery system of commercial trucks, ensuring efficient and reliable fuel transfer from the tank to the engine. Its design, compatibility with various Cummins engines, and role in maintaining engine performance underscore its importance in commercial truck applications. Regular maintenance and proper installation are essential to maximize the benefits of this part, contributing to the overall efficiency and safety of the vehicle.