4000912
Fuel Supply Tube
Cummins®

The Cummins Fuel Supply Hose, part number 4000912, is designed to facilitate the efficient transfer of fuel from the tank to the engine in commercial trucks. This component is integral to the vehicle’s operation, ensuring the engine receives a consistent fuel supply under varying conditions. Cummins, a leading manufacturer in the diesel engine and component industry, produces this hose, leveraging its expertise to deliver reliable and durable products.

Basic Concepts of Fuel Supply Hoses

A fuel supply hose is an essential element in a truck’s fuel system, responsible for transporting fuel from the tank to the engine. It operates under pressure and must withstand the chemical properties of the fuel it carries. Commonly, fuel supply hoses are manufactured using materials such as synthetic rubber, polyurethane, or fluoropolymer, chosen for their resistance to fuel, flexibility, and durability. These materials are selected based on their ability to maintain integrity under pressure and exposure to various environmental conditions ¹.

Purpose of the 4000912 Fuel Supply Hose

This Cummins part plays a role in the truck’s fuel system by ensuring the smooth and consistent transfer of fuel from the tank to the engine. It is designed to maintain consistent fuel pressure, which is vital for the engine’s performance and efficiency. By providing a reliable connection between the fuel tank and the engine, this hose contributes to the overall functionality and reliability of the truck’s fuel system ².

Key Features of the 4000912 Fuel Supply Hose

The 4000912 is characterized by its robust design and construction, featuring materials that offer durability, flexibility, and resistance to fuel and environmental conditions. Its design includes reinforced layers to enhance durability and prevent leaks, ensuring it can withstand the pressures and temperatures encountered in a truck’s fuel system. Additionally, the hose is engineered to resist degradation from fuel, oils, and other chemicals, contributing to its longevity and performance ³.

Benefits of Using the 4000912 Fuel Supply Hose

Utilizing this Cummins part offers several advantages, including improved fuel efficiency due to its design that minimizes fuel loss and maintains consistent pressure. Its resistance to leaks reduces the risk of fuel spills, enhancing safety and environmental protection. The hose’s durability ensures long-term performance, reducing the need for frequent replacements. Furthermore, its compatibility with Cummins engines ensures optimal function and efficiency within the fuel system.

Installation and Compatibility

Proper installation of the 4000912 is vital for its performance and the overall efficiency of the fuel system. It is designed to be compatible with various Cummins engine models, ensuring a seamless fit and function within the system. When installing, it is important to follow manufacturer guidelines to ensure the hose is securely connected and properly routed to avoid damage or kinks that could impede fuel flow.

Troubleshooting and Maintenance

Common issues with fuel supply hoses include leaks, cracks, and blockages, which can affect fuel delivery and engine performance. Regular inspection for signs of wear, such as cracks or softening, is recommended to identify potential problems early. Maintenance tips include checking connections for tightness, ensuring the hose is free from kinks, and replacing the hose if signs of degradation are present. This proactive approach helps maintain the hose’s integrity and the fuel system’s efficiency.

Safety Considerations

Regular inspection and maintenance of fuel supply hoses are important to prevent fuel leaks and ensure safe operation. When working with fuel system components, it is advisable to follow safety precautions, including wearing protective gear, working in a well-ventilated area, and having fire extinguishing equipment nearby. These measures help mitigate risks associated with fuel system maintenance and repair.

Environmental Impact and Regulations

Fuel supply hoses play a role in preventing fuel leaks, which can have environmental consequences. Manufacturers design hoses to meet emissions regulations and industry standards, ensuring they contribute to reducing the environmental impact of fuel systems. Compliance with these regulations is important for manufacturers and users alike, promoting environmental stewardship and safe operation of vehicles.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer of diesel engines and related components, with a reputation for quality, innovation, and customer satisfaction. Founded with a commitment to excellence, Cummins has grown to become a global leader in the industry, known for its reliable and high-performance products. The company’s dedication to research and development ensures that its products, including the 4000912 Fuel Supply Hose, meet the demanding requirements of commercial truck applications.

Cummins Engine Compatibility with Fuel Supply Hose Part 4000912

The Cummins Fuel Supply Hose part number 4000912 is designed to be compatible with a range of Cummins engines, ensuring a secure and reliable fuel supply. This hose is integral to the engine’s fuel system, facilitating the transfer of fuel from the tank to the engine’s fuel injection system.

QSK60 Series

The QSK60 series, which includes the QSK60 CM500 and QSK60G engines, is engineered for heavy-duty applications, providing robust performance and durability. The Fuel Supply Hose part 4000912 is specifically engineered to fit these engines, ensuring compatibility with their demanding operational requirements. This hose is designed to withstand the high pressures and temperatures associated with these engines, maintaining integrity and performance over time.

QSK60G

The QSK60G engine, part of the QSK60 series, is designed for applications requiring high power output and efficiency. The Fuel Supply Hose part 4000912 is tailored to meet the stringent demands of the QSK60G, ensuring a seamless integration into the engine’s fuel system. This compatibility is crucial for maintaining the engine’s performance and reliability, as the hose must handle the specific fuel flow characteristics of the QSK60G.

QSK60 CM500

The QSK60 CM500 engine is another variant within the QSK60 series, known for its versatility and adaptability to various industrial applications. The Fuel Supply Hose part 4000912 is designed to fit this engine, ensuring that it can effectively manage the fuel supply needs of the QSK60 CM500. This compatibility is essential for the engine’s operational efficiency, as the hose must be able to handle the specific fuel delivery requirements of the QSK60 CM500.

By ensuring that the Fuel Supply Hose part 4000912 is compatible with the QSK60 series engines, Cummins maintains the reliability and performance of these engines, providing users with a dependable fuel supply system.

Role of Part 4000912 Fuel Supply Hose in Engine Systems

The 4000912 Fuel Supply Hose 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 engine, ensuring a consistent and reliable fuel supply for combustion.

Integration with Plumbing

In the context of engine plumbing, the 4000912 hose is meticulously routed to avoid interference with other components while maintaining a secure connection between the fuel tank and the fuel injection system. This hose is designed to withstand the pressures and temperatures associated with fuel transport, providing a durable and leak-free pathway. Proper installation and routing are essential to prevent fuel leaks and ensure efficient fuel delivery.

Interaction with Engine Control Module (ECM)

The Engine Control Module (ECM) plays a significant role in regulating the fuel supply to the engine. The 4000912 Fuel Supply Hose works in conjunction with the ECM by delivering fuel as per the module’s commands. The ECM monitors various parameters such as engine load, RPM, and air-fuel ratio to adjust the fuel supply accordingly. The hose must be in optimal condition to support these dynamic adjustments, ensuring the engine operates within specified performance and emission standards.

Ensuring System Integrity

The 4000912 hose is often connected to fuel filters, fuel pumps, and fuel injectors, forming a cohesive fuel delivery network. Its role extends beyond simple transport; it contributes to maintaining the integrity of the fuel system by providing a consistent fuel flow. This consistency is vital for the precise fuel injection timing controlled by the ECM, directly influencing engine performance and efficiency.

Conclusion

In summary, the 4000912 Fuel Supply Hose is a key element in the fuel delivery system, interacting with both the plumbing and the ECM to ensure a reliable and efficient fuel supply to the engine. Its robust design, compatibility with Cummins engines, and role in maintaining system integrity make it a critical component for the performance and efficiency of commercial trucks.