2870059
Molded Hose
Cummins®

Molded hoses are essential in the operation and maintenance of commercial trucks, facilitating the efficient transfer of fluids and gases across various systems. The 2870059 Molded Hose by Cummins is notable for its specialized design and application. Molded hoses, in general, are crucial components in the automotive industry, offering a reliable method for fluid transfer that is both durable and efficient.

Basic Concepts of Molded Hoses

Molded hoses are produced by molding synthetic rubber or thermoplastic materials around a textile or wire reinforcement. This manufacturing process yields a hose that is more uniform in shape and size compared to traditional hoses, which are typically made by extruding a tube and then adding reinforcement. Molded hoses are widely used in automotive applications due to their ability to withstand high pressure, temperature variations, and chemical exposure. They differ from traditional hoses in their construction, providing advantages such as enhanced durability, flexibility, and resistance to environmental factors ¹.

Purpose of the 2870059 Molded Hose

The 2870059 Molded Hose by Cummins is engineered to fulfill a specific function in the operation of commercial trucks. It is a component of the vehicle’s fluid transfer systems, facilitating the movement of fluids or gases under various conditions. This hose contributes to the overall functionality and efficiency of the truck by ensuring that fluid transfer is smooth, reliable, and under controlled pressure, which is critical for the operation of the engine and other systems.

Key Features

The 2870059 Molded Hose is composed of synthetic rubber for the outer layer and a textile or wire reinforcement for added strength. Its design is tailored to meet the demands of commercial truck applications, offering a balance of flexibility and durability. Unique characteristics of this hose include its resistance to abrasion, chemicals, and temperature extremes, which enhance its performance and longevity in demanding environments.

Benefits

Using the 2870059 Molded Hose provides several advantages over standard hoses. Its enhanced durability ensures a longer service life, reducing the frequency of replacements. The hose’s resistance to environmental factors, such as extreme temperatures and chemical exposure, enhances its reliability in various operating conditions. Additionally, the improved performance of this hose contributes to the overall efficiency of the truck’s systems, ensuring optimal operation and reduced maintenance costs.

Troubleshooting and Maintenance

Common issues with molded hoses, including the 2870059, may include leaks, cracks, or blockages. Troubleshooting steps involve inspecting the hose for visible damage, checking connections for tightness, and ensuring that the hose is routed correctly to avoid abrasion or kinking. Regular maintenance, such as cleaning the hose and its connections, and periodic inspection for wear and tear, can help ensure the longevity and optimal performance of the hose.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a reputation for producing reliable and efficient automotive components. The company’s commitment to quality and innovation is evident in its wide range of products, including the 2870059 Molded Hose, which is designed to meet the rigorous demands of commercial truck applications.

Compatibility with Cummins Engines

The Molded Hose part number 2870059, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This hose is integral to the engine’s operation, ensuring that various fluids are transported efficiently and safely within the engine system.

ISX12 CM2350 X102 and ISX12/ISX11.9 CM2250

The ISX12 CM2350 X102 and ISX12/ISX11.9 CM2250 engines both benefit from the precise fit and durability of the 2870059 hose. This hose is engineered to withstand the high pressures and temperatures typically encountered in these engines, ensuring reliable performance and longevity.

QSX11.9 CM2250 ECF

Similarly, the QSX11.9 CM2250 ECF engine is compatible with the 2870059 hose. This engine, known for its robust design and efficiency, relies on the hose to maintain fluid flow and pressure, contributing to its overall performance and reliability.

Each of these engines, while distinct in their specifications and applications, shares a common need for high-quality hoses like the 2870059. Cummins has ensured that this hose meets the stringent requirements of these engines, providing a reliable component that enhances the engine’s operational efficiency.

Role of Part 2870059 Molded Hose in Engine Systems

The 2870059 molded hose is an integral component in the fluid dynamics of engine systems, specifically within the arrangement of the crankcase breather system. This hose facilitates the efficient routing of gases and fluids, ensuring the engine operates smoothly and maintains optimal performance.

Integration with Crankcase Breather System

In the crankcase breather arrangement, the molded hose plays a significant role by connecting various components that manage the ventilation of the crankcase. The crankcase breather system is designed to release pressure built up within the crankcase, which occurs due to the combustion process and the natural leakage of gases past the piston rings.

The molded hose, part 2870059, is typically employed to link the crankcase to the intake manifold or another suitable vent point. This connection allows for the safe and controlled release of these gases, preventing the buildup of pressure that could lead to oil leaks, reduced engine efficiency, and potential damage to engine components.

Functional Benefits

By incorporating the molded hose into the crankcase breather system, several functional benefits are achieved:

• Pressure Regulation: The hose helps in maintaining a balanced pressure within the crankcase, which is essential for the proper functioning of the engine.
• Contaminant Removal: It aids in the removal of contaminants such as moisture and unburnt fuel that accumulate in the crankcase, thereby protecting the engine from sludge buildup.
• Enhanced Engine Performance: Efficient breather system operation, supported by the molded hose, contributes to smoother engine operation and prolonged component lifespan.

Conclusion

In summary, the 2870059 molded hose is a vital element in the crankcase breather arrangement, ensuring the engine system remains well-ventilated and operates efficiently. Its specialized design and compatibility with Cummins engines make it an essential component for maintaining the performance and reliability of commercial trucks.