4330738
Hump Hose
Cummins®

The Cummins 4330738 Hump Hose is a specialized component designed for use in commercial trucks. Its purpose is to facilitate the efficient transfer of fluids within the truck’s system, contributing to the overall performance and reliability of the vehicle. Understanding the role and significance of this hose is important for maintaining the operational integrity of commercial trucks.

Basic Concepts and Functionality

A hump hose is a type of hose used in fluid transfer systems within trucks. It is designed to accommodate the contours and movements of the vehicle, ensuring a consistent flow of fluids despite the dynamic environment. The hump hose operates by connecting various components within the truck’s system, allowing for the transfer of fluids such as coolant, fuel, or hydraulic fluid. Its role is to maintain efficient performance by ensuring that fluids are delivered where needed without interruption or leakage ¹.

Purpose of the 4330738 Hump Hose

The 4330738 Hump Hose plays a specific role in the operation of a truck by connecting critical components within the fluid transfer system. It ensures that fluids are routed efficiently, supporting the truck’s cooling, fuel, or hydraulic systems. This hose is integral to maintaining the system’s integrity, ensuring that all components receive the necessary fluids to function correctly ⁴.

Key Features

The 4330738 Hump Hose is characterized by several key features that enhance its performance and durability. These include a robust design that can withstand the pressures and temperatures encountered in commercial truck operations. The hose is constructed from high-quality materials, ensuring resistance to wear, tear, and environmental factors. Unique characteristics such as reinforced sections and specialized fittings contribute to its reliability and longevity ².

Benefits

The advantages provided by the 4330738 Hump Hose include improved durability, enhanced performance, and reliability across various operating conditions. Its design and materials contribute to a longer service life, reducing the need for frequent replacements. The hose’s ability to maintain efficient fluid transfer under pressure and temperature variations ensures that the truck’s systems operate optimally ³.

Installation and Compatibility

Proper installation of the 4330738 Hump Hose is important to ensure its effectiveness and longevity. Guidelines for installation include ensuring a secure fit with all connected components, using the appropriate fittings, and following manufacturer recommendations for routing and securing the hose. Compatibility with specific truck models and systems should be verified to ensure optimal performance and integration within the vehicle’s fluid transfer system ¹.

Troubleshooting and Maintenance

Common issues that may arise with the 4330738 Hump Hose include leaks, wear, and blockages. Troubleshooting tips involve inspecting the hose for signs of damage, ensuring all connections are secure, and checking for proper routing to avoid kinks or abrasions. Regular maintenance practices, such as periodic inspection and replacement of worn sections, help ensure the longevity and optimal performance of the hose ⁴.

Performance in Various Conditions

The 4330738 Hump Hose is designed to perform under a range of operating conditions, including extreme temperatures, high pressure, and varying load conditions. Its construction and materials allow it to maintain integrity and efficiency in these environments, ensuring that the truck’s fluid transfer systems operate reliably regardless of external factors ².

Comparison with Other Hump Hoses

When compared to similar products in the market, the 4330738 Hump Hose stands out for its design, performance, and benefits. Differences may include the materials used, the level of reinforcement, and the specific features designed to enhance durability and efficiency. These distinctions contribute to its reputation for reliability and performance in commercial truck applications ³.

Cummins Corporation Overview

Cummins Corporation is a renowned manufacturer with a strong reputation in the industry for quality and innovation in truck components. Established with a commitment to excellence, Cummins has consistently delivered high-quality products that meet the demanding requirements of commercial truck operations. The company’s dedication to research and development ensures that its components, including the 4330738 Hump Hose, are at the forefront of technology and performance ¹.

Hump Hose Compatibility with Cummins Engines

The Cummins part number 4330738, known as the Hump Hose, is a component that plays a crucial role in the fuel system of various Cummins engines. This hose is designed to facilitate the transfer of fuel from the fuel tank to the engine, ensuring a steady and efficient fuel supply. Below is a detailed look at the compatibility of the Hump Hose with different Cummins engines.

ISB and ISBE Series

The Hump Hose is compatible with several models within the ISB and ISBE series:

• ISB CM2150
• ISB CM550
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISBE CM2150

These engines, ranging from 6.7 liters to 6.7 liters with specific configurations, all utilize the Hump Hose to maintain the integrity of the fuel system.

ISC Series

The Hump Hose also fits the following ISC series engines:

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

These engines, with displacements ranging from 8.3 liters to 8.3 liters with specific configurations, benefit from the Hump Hose in ensuring a reliable fuel transfer.

ISL Series

The ISL series engines that are compatible with the Hump Hose include:

• ISL CM2150
• ISL CM554
• ISL9 CM2150 SN
• ISL9 CM2250

These engines, with displacements ranging from 9 liters to 9 liters with specific configurations, also rely on the Hump Hose for efficient fuel management.

QSB Series

The Hump Hose is also compatible with the following QSB series engines:

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB5.9 30 CM550
• QSB5.9 44 CM550

These engines, with displacements ranging from 4.5 liters to 5.9 liters, utilize the Hump Hose to ensure a consistent fuel supply.

Other Models

The Hump Hose also fits the following engines:

• 6B5.9
• 6C8.3
• B5.9 CM2670 B166C
• B5.9 G
• C GAS PLUS CM556
• C8.3 G

These engines, with displacements ranging from 5.9 liters to 8.3 liters, also depend on the Hump Hose for effective fuel transfer.

By ensuring compatibility with a wide range of Cummins engines, the Hump Hose is a vital component in maintaining the performance and reliability of these engines ¹.

Role of Part 4330738 Hump Hose in Engine Systems

Part 4330738 Hump Hose is integral to the efficient operation of various engine systems, particularly in the air intake system. This component is designed to facilitate the smooth transition of air from the air intake hose to the engine’s air intake system.

Air Intake Hose Integration

The Hump Hose is strategically positioned to connect the air intake hose to the engine’s air intake system. Its design allows for flexibility and durability, accommodating the natural movements and vibrations of the engine without compromising the integrity of the air supply. This ensures a consistent flow of air, which is essential for optimal engine performance ².

Hose Functionality

As a hose component, Part 4330738 plays a significant role in maintaining the structural integrity of the air intake system. It is engineered to withstand high temperatures and pressures, ensuring that the air delivered to the engine is clean and unobstructed. This component helps in reducing the risk of air leaks, which can lead to inefficient combustion and decreased engine efficiency ³.

Air Intake System Efficiency

The efficiency of the air intake system is greatly influenced by the performance of the Hump Hose. By providing a reliable connection between the air intake hose and the engine’s air intake, this component ensures that the engine receives the necessary air volume for combustion. This, in turn, contributes to better fuel efficiency, reduced emissions, and overall enhanced engine performance ⁴.

Conclusion

In summary, the 4330738 Hump Hose is a vital element in the air intake system, ensuring a seamless and efficient transfer of air to the engine. Its robust design and reliable performance make it an essential component for maintaining the optimal functioning of engine systems. Proper installation, regular maintenance, and understanding its role in various engine systems are key to leveraging the full benefits of this Cummins part.