4930304
Hose Clamp
Cummins®

Introduction

The Cummins 4930304 Hose Clamp is a component designed for use in commercial trucks. Its primary purpose is to secure hoses within the vehicle’s fluid transfer systems, ensuring that connections remain tight and reliable under various operating conditions.

Basic Concepts of Hose Clamps

Hose clamps are devices used to create a secure connection between a hose and a fitting. They function by applying consistent pressure around the hose, preventing leaks and ensuring the integrity of the fluid transfer system. Hose clamps are typically constructed from materials such as metal, plastic, or rubber, chosen for their durability, flexibility, and resistance to environmental factors ¹.

Role of the 4930304 Hose Clamp in Truck Operation

This Cummins part plays a role in the truck’s system by maintaining secure connections in fluid transfer systems such as coolant, fuel, and hydraulic lines. By ensuring that these connections remain tight, the clamp helps to prevent leaks, maintain system pressure, and ensure the efficient transfer of fluids throughout the vehicle.

Key Features

The 4930304 is characterized by its robust design and material composition. It is constructed from high-quality materials that offer durability and resistance to corrosion and environmental factors. The clamp features a design that allows for easy installation and adjustment, ensuring a secure fit on a variety of hose sizes. Its unique attributes enhance its performance and longevity in demanding commercial truck applications.

Benefits

This Cummins part offers several advantages. It provides improved reliability in hose connections, reducing the risk of leaks and system failures. The clamp’s design allows for ease of installation, making it a practical choice for maintenance and repair tasks. Additionally, its resistance to environmental factors ensures that it can withstand the harsh conditions often encountered in commercial truck operations.

Troubleshooting and Maintenance

Common issues with hose clamps may include loosening over time, corrosion, or damage from environmental factors. Troubleshooting these problems involves inspecting the clamp for signs of wear or damage, ensuring that it is properly tightened, and replacing it if necessary. Regular maintenance practices, such as checking for proper tightness and inspecting for signs of wear, can help ensure the longevity and proper function of the clamp.

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, reliability, and innovation in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various industries, including transportation, construction, and agriculture.

Cummins Engine Compatibility with Hose Clamp Part 4930304

The Cummins Hose Clamp part 4930304 is designed to be compatible with a wide range of Cummins engines. This part is essential for securing hoses and ensuring a tight seal, which is crucial for maintaining the integrity of the engine’s cooling and fuel systems. Below is a detailed breakdown of the engine compatibility for this specific hose clamp part.

Cummins ISB Series

• ISB CM2150
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118
• ISBE CM2150
• ISBE4 CM850

Cummins QSB Series

• QSB3.3 CM2150
• QSB3.3 CM2250 EC
• QSB4.5 CM2250 EC
• QSB4.5 CM850(CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850(CM2850)
• QSB7 CM2880 B117

Cummins ISC and ISL Series

• ISC8.3 CM2250
• ISL9 CM2250

Cummins B Series

• B3.3
• B5.9 G
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B

Cummins L GAS PLUS

• L GAS PLUS CM556

The Cummins Hose Clamp part 4930304 is engineered to fit seamlessly with these engines, ensuring that hoses remain securely fastened under various operating conditions. This compatibility is crucial for maintaining engine performance and preventing leaks that could lead to system failures.

Role of Part 4930304 Hose Clamp in Engine Systems

The 4930304 Hose Clamp is an essential component in securing and maintaining the integrity of various hose connections within engine systems. Its application spans across multiple subsystems, ensuring efficient operation and preventing leaks.

Air Compressor and Compressor Coolant Systems

In the air compressor system, the 4930304 Hose Clamp is utilized to secure the connections between the compressor and its coolant plumbing. This ensures that the compressor coolant circulates effectively, maintaining optimal temperatures and preventing overheating. The clamp’s reliable hold on the molded hoses contributes to the durability and efficiency of the air compressor arrangement.

Cooler and Torque Converter Oil Systems

For the cooler and torque converter oil systems, the 4930304 Hose Clamp plays a significant role in securing the hoses that transport torque converter oil. This is vital for the proper functioning of the torque converter, as it relies on consistent oil flow to operate smoothly. The clamp ensures that there are no disconnections or leaks, which could lead to inefficient operation or damage to the converter.

Cabin Heater and Exhaust Recirculation Water Systems

In the cabin heater system, the 4930304 Hose Clamp is employed to maintain secure connections in the plumbing that circulates engine coolant to the heater core. This ensures that the cabin receives consistent heating, enhancing passenger comfort. Similarly, in the exhaust recirculation water system, the clamp secures the hoses that manage the flow of water, contributing to effective emissions control and engine performance.

Fuel Module Coolant and Vent Systems

The fuel module coolant system also benefits from the 4930304 Hose Clamp, as it ensures that the coolant hoses remain firmly attached, preventing any potential leaks that could affect fuel system performance. Additionally, in the vent system, the clamp secures the connections that allow for proper ventilation, which is essential for maintaining pressure balance and preventing build-up within the engine compartment.

Overall, the 4930304 Hose Clamp is a versatile component that enhances the reliability and performance of various engine systems by ensuring secure and leak-free hose connections.

Conclusion

The Cummins 4930304 Hose Clamp is a critical component in the maintenance and operation of commercial trucks. Its robust design, ease of installation, and compatibility with a wide range of Cummins engines make it an invaluable part for ensuring the integrity of fluid transfer systems. By securing hose connections and preventing leaks, this part contributes to the overall reliability and performance of the vehicle.