4990917
Hose Clamp
Cummins®

Introduction

The Hose Clamp 4990917, manufactured by Cummins, is a critical component in the commercial truck industry. Designed for use in commercial trucks, this part ensures the integrity of various fluid systems by securely attaching hoses to their fittings, thereby preventing leaks and maintaining system efficiency ¹.

Basic Concepts of Hose Clamps

Hose clamps are mechanical devices that secure hoses to fittings by creating a compression seal to prevent fluid leakage. Commonly used in automotive and industrial applications, including fuel lines, coolant systems, and pneumatic systems, hose clamps are typically made from materials such as stainless steel, aluminum, and various polymers. These materials are selected for their strength, corrosion resistance, and ability to withstand high temperatures and pressures ².

Role of Hose Clamp 4990917 in Truck Operation

This Cummins part is specifically designed for use in commercial trucks, particularly in critical systems such as fuel lines, coolant systems, and pneumatic systems. By securely fastening hoses to their fittings, the Hose Clamp 4990917 helps maintain the integrity of these systems, ensuring efficient and leak-free fluid delivery ³.

Key Features

The Hose Clamp 4990917 features a design that enhances performance and ease of use. It is composed of durable, corrosion-resistant materials and utilizes a worm gear mechanism for precise adjustment and secure fastening. Additionally, it may include a protective coating to enhance resistance to environmental factors ⁴.

Benefits

Using the Hose Clamp 4990917 offers several benefits, including improved seal integrity to prevent leaks, ease of installation and removal for straightforward maintenance, durability for long-term performance, and resistance to corrosion and environmental factors for longevity ⁵.

Troubleshooting and Maintenance

Common issues with hose clamps include leaks and clamp failure. Troubleshooting involves inspecting the clamp for wear or damage and ensuring proper installation. Maintenance tips include periodic inspection for corrosion or wear and replacement according to the manufacturer’s guidelines to ensure continued system integrity ⁶.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s commitment to manufacturing high-quality components, such as the Hose Clamp 4990917, underscores its dedication to ensuring the reliability and performance of commercial vehicles ⁷.

Compatibility with Engine Models

The Hose Clamp 4990917 is designed to fit seamlessly with various Cummins engine models, ensuring a secure and reliable connection for fluid and gas lines. It is engineered to withstand the rigors of engine operation, providing durability and ease of installation.

B3.3 Engine Series

The B3.3 engine series, known for its robust performance and reliability, integrates the 4990917 Hose Clamp effectively. This clamp is crucial for maintaining the integrity of hose connections in the engine’s cooling and fuel systems, ensuring optimal engine operation ⁸.

Group Compatibility

The 4990917 Hose Clamp is compatible with multiple engine groups within the Cummins engine lineup. It is particularly suited for engines that require high-pressure resistance and frequent assembly/disassembly. This compatibility extends across various engine configurations, making it a versatile choice for technicians and engineers ⁹.

Installation and Usage

When installing the 4990917 Hose Clamp, it is essential to ensure that the clamp is properly aligned and tightened to the manufacturer’s specifications. This will prevent leaks and ensure that the hose connections remain secure under all operating conditions. The clamp’s design allows for easy adjustment and re-tightening, facilitating maintenance and repairs ¹⁰.

Maintenance Considerations

Regular inspection of the 4990917 Hose Clamp is recommended to check for signs of wear or damage. Over time, exposure to engine heat and vibrations can affect the clamp’s performance. Replacing the clamp as needed will help maintain the engine’s efficiency and longevity ¹¹.

Application Scenarios

The 4990917 Hose Clamp is ideal for use in both industrial and commercial engine applications. Its compatibility with the B3.3 engine series and other Cummins engines makes it a valuable component for technicians working on a variety of engine models. Whether in heavy-duty trucks, agricultural machinery, or marine engines, this clamp provides the necessary security for hose connections ¹².

Role of Part 4990917 Hose Clamp in Engine Systems

The 4990917 Hose Clamp is an essential component in ensuring the secure and efficient operation of various engine systems. Its primary function is to maintain a tight seal around hoses that connect different parts of the engine, preventing leaks and ensuring optimal performance.

Air Connection Crossover

In the air connection crossover system, the 4990917 Hose Clamp is used to secure the hoses that facilitate the transfer of air between different sections of the engine. This is particularly important in turbocharged engines where air needs to be efficiently routed from the turbocharger to the intake manifold. The clamp ensures that the hose remains firmly in place, preventing any air leaks that could reduce engine efficiency and performance ¹³.

Connection Points

At various connection points throughout the engine, the 4990917 Hose Clamp plays a vital role in maintaining the integrity of the hose connections. Whether it’s connecting the air intake to the throttle body or securing hoses in the emissions system, the clamp ensures that all connections are tight and leak-free. This is essential for maintaining the correct air-fuel ratio and ensuring that the engine operates smoothly ¹⁴.

Air Crossover

In systems that require an air crossover, such as those found in V-type engines, the 4990917 Hose Clamp is used to secure the hoses that allow air to flow between the two banks of cylinders. This ensures that both sides of the engine receive an equal amount of air, which is crucial for balanced performance and reduced emissions. The clamp’s ability to provide a secure fit helps in maintaining the engine’s overall efficiency and reliability ¹⁵.

Conclusion

Overall, the Hose Clamp 4990917 is a fundamental component in ensuring that hose connections in engine systems are secure, leak-free, and efficient, contributing to the engine’s performance and longevity. Its compatibility with various Cummins engine models, ease of installation, and durable construction make it an indispensable part for maintaining the integrity of fluid and gas systems in commercial trucks.