4974302
Flexible Hose
Cummins®

The 4974302 Flexible Hose, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, produces this hose to meet the demanding requirements of heavy-duty applications. Flexible hoses play a significant role in the overall functionality of trucks by allowing for the transfer of various fluids, including coolant, fuel, and hydraulic fluid, within the vehicle’s systems.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in automotive applications to facilitate the transfer of fluids between different parts of a vehicle. They are designed to accommodate movement and vibration, which are common in vehicles, particularly in heavy-duty trucks. These hoses are typically made from materials such as rubber, thermoplastic, or a combination of materials that provide flexibility, durability, and resistance to the fluids they carry. The choice of material depends on the specific application and the properties required, such as temperature resistance, pressure tolerance, and chemical compatibility ¹.

Purpose of the 4974302 Flexible Hose

This Cummins part is designed to facilitate the transfer of fluids in a truck’s system. It plays a role in maintaining the efficiency and reliability of the truck’s systems by allowing for the movement and vibration that occur during operation without compromising the integrity of the fluid transfer. This hose is specifically engineered to handle the demands of heavy-duty applications, ensuring that fluids such as coolant, fuel, or hydraulic fluid are transferred effectively and efficiently.

Key Features

The 4974302 Flexible Hose features a design and construction that cater to the rigorous demands of heavy-duty truck applications. It is made from materials that offer a balance of flexibility and durability, allowing it to withstand the pressures and temperatures associated with its use. The hose’s design includes features that enhance its performance and longevity, such as reinforced layers to prevent wear and tear and a smooth inner lining to ensure efficient fluid flow.

Benefits

Using this part in commercial trucks offers several benefits. Its flexibility allows for a greater range of motion, accommodating the movement and vibration inherent in truck operations. The hose’s resistance to wear and tear contributes to its durability, reducing the likelihood of leaks and the need for frequent replacements. Additionally, its design enhances safety by minimizing the risk of fluid leaks, which can be hazardous. Overall, the 4974302 Flexible Hose contributes to the operational efficiency of the truck by ensuring reliable fluid transfer.

Installation Considerations

Proper installation of the 4974302 Flexible Hose is crucial for its effective performance. It is important to ensure compatibility with the truck’s existing systems to avoid any issues with fluid transfer. The installation process may require specific tools and equipment, and it is advisable to follow manufacturer guidelines to ensure a secure and effective installation. Attention to detail during installation can prevent common issues and ensure the hose functions as intended.

Troubleshooting and Maintenance

Common issues with the 4974302 Flexible Hose may include leaks, wear, or damage from exposure to extreme conditions. Troubleshooting these issues involves inspecting the hose for signs of wear or damage and addressing any issues promptly to prevent further complications. Regular maintenance, including inspections and following replacement guidelines, can help ensure the longevity and optimal performance of the hose. Keeping the hose clean and free from debris can also contribute to its durability.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer of automotive components, with a history of innovation and commitment to quality. The company’s expertise in manufacturing extends to a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins is known for its dedication to customer satisfaction and its efforts to push the boundaries of technology in the automotive industry. The reputation of Cummins is built on its ability to deliver reliable, high-performance components that meet the needs of its customers ².

Flexible Hose 4974302 Compatibility with Cummins Engines

The Cummins Flexible Hose part number 4974302 is designed to fit seamlessly with several models of Cummins engines, ensuring optimal performance and durability. This part is engineered to meet the specific requirements of the ISM CM570, ISM11 CM876 SN, and QSM11 CM570 engines.

ISM CM570 and QSM11 CM570

The ISM CM570 and QSM11 CM570 engines share many common components, making the installation of the Flexible Hose 4974302 straightforward. This hose is designed to connect various fluid lines, ensuring smooth operation and preventing leaks. Its flexibility allows it to adapt to the engine’s movements, reducing stress on the connections and extending the lifespan of the hose.

ISM11 CM876 SN

The ISM11 CM876 SN engine, while part of the same family, may have slightly different mounting points and configurations compared to the ISM CM570 and QSM11 CM570. The Flexible Hose 4974302 is engineered to accommodate these variations, ensuring a precise fit and reliable performance. This hose is critical for maintaining the integrity of the engine’s fluid systems, providing a flexible connection that can withstand the rigors of engine operation.

By using the Cummins Flexible Hose 4974302, technicians and operators can ensure that their ISM CM570, ISM11 CM876 SN, and QSM11 CM570 engines maintain optimal fluid flow and system integrity, contributing to the overall reliability and efficiency of the engine.

Role of Part 4974302 Flexible Hose in Brake and Engine Systems

The part 4974302 Flexible Hose is a component in both brake and engine systems, facilitating the transfer of fluids and gases under varying conditions.

Brake System Integration

In the brake system, the 4974302 Flexible Hose connects the brake caliper to the brake line. This connection allows brake fluid to travel from the master cylinder to the caliper, enabling the hydraulic pressure necessary for brake actuation. The flexibility of the hose accommodates the movement and vibrations that occur during vehicle operation, ensuring a consistent and reliable brake performance. It also helps in reducing the stress on the brake lines, which might otherwise be prone to cracking or leaking under constant motion.

Engine System Integration

Within the engine system, the 4974302 Flexible Hose is often used to connect various components that require fluid or gas transfer. For instance, it may link the fuel injectors to the fuel rail, allowing fuel to be distributed evenly to each injector. This ensures that the engine receives a consistent fuel supply, which is vital for smooth operation and optimal performance. Additionally, the hose may be employed in the cooling system to connect the radiator to the engine block, facilitating the circulation of coolant. This helps in maintaining the engine’s temperature within safe operating limits, preventing overheating and potential damage.

The 4974302 Flexible Hose’s design allows it to withstand high pressures and temperatures, making it suitable for these demanding applications. Its durability and flexibility contribute to the overall reliability and efficiency of both the brake and engine systems.

Conclusion

The 4974302 Flexible Hose by Cummins is a critical component for the efficient operation of commercial trucks. Its design and construction are tailored to meet the rigorous demands of heavy-duty applications, ensuring reliable fluid transfer and system integrity. Proper installation, regular maintenance, and prompt troubleshooting are essential to maximize the hose’s performance and longevity. Cummins’ reputation for quality and innovation underscores the reliability and effectiveness of this part in enhancing the functionality of both brake and engine systems.