4930889
Elbow Hose
Cummins®

The 4930889 Elbow Hose, a component manufactured by Cummins, is designed for use in commercial trucks. This article provides an in-depth look at the function, features, and benefits of this Cummins part, along with maintenance and troubleshooting suggestions.

Basic Concepts of Elbow Hoses

An elbow hose is a type of flexible tubing used in various fluid transfer systems. It is characterized by a bend or elbow, which allows it to navigate around obstacles and fit into tight spaces. Elbow hoses are commonly used in automotive, industrial, and marine applications to transport fluids such as coolant, fuel, and air ².

Function and Role in Truck Operation

The 4930889 Elbow Hose plays a crucial role in the fluid transfer systems of commercial trucks. It is typically used in the cooling system to transport coolant between the engine and radiator, ensuring efficient heat dissipation. Additionally, it may be employed in other systems such as fuel delivery or air intake, depending on the specific application ².

Key Features

The 4930889 Elbow Hose features a durable construction with reinforced ends to withstand high pressure and temperature. It is designed to be flexible yet resistant to kinking, ensuring a reliable fluid flow. The hose is also resistant to abrasion, chemicals, and weathering, making it suitable for demanding truck applications ².

Benefits

The use of the 4930889 Elbow Hose offers several benefits. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. The flexible design allows for easy installation and maintenance, while the reinforced ends provide a secure connection to fittings and components. Additionally, the hose’s resistance to various environmental factors enhances its performance in harsh operating conditions ².

Troubleshooting and Maintenance

Regular inspection of the 4930889 Elbow Hose is recommended to identify any signs of wear, cracking, or leaks. If any issues are detected, the hose should be replaced promptly to prevent fluid loss and potential system failure. Additionally, ensuring proper installation and securing of the hose can help prevent kinking and maintain optimal fluid flow ².

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a commitment to innovation and customer satisfaction, Cummins provides reliable and efficient solutions for various industries, including commercial trucking ¹.

Compatibility with Cummins Engines

The Elbow Hose part number 4930889, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for ensuring proper fluid flow and connection between different components within the engine system. Below is a detailed overview of the engines with which this elbow hose is compatible.

ISB Series Engines

• 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

The ISB series engines are known for their versatility and efficiency, commonly used in a variety of applications from heavy-duty trucks to industrial machinery. The 4930889 elbow hose is engineered to fit seamlessly within these engines, ensuring optimal performance and durability ¹.

QSB Series Engines

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

The QSB series engines are designed for agricultural and construction equipment, providing robust power and reliability. The 4930889 elbow hose is compatible with these engines, ensuring that fluid pathways remain efficient and secure ¹.

Other Cummins Engines

• 6B5.9
• B5.9 G
• B6.7 CM2670 B153B
• ISC8.3 CM2250
• ISL9 CM2250

These engines, while less common, still benefit from the precise engineering of the 4930889 elbow hose. Whether used in specialized machinery or older models, this part ensures that the engine’s fluid systems operate smoothly ¹.

Role of Part 4930889 Elbow Hose in Engine Systems

The 4930889 Elbow Hose is a vital component in various engine systems, facilitating the efficient transfer of fluids and gases. Its application spans across several critical areas, ensuring the smooth operation of the engine.

Compressor Coolant System

In the compressor coolant system, the 4930889 Elbow Hose is employed to direct the flow of coolant. This hose is integral in maintaining the optimal temperature of the compressor, preventing overheating and ensuring consistent performance. It connects to the compressor coolant plumbing, allowing for a seamless transfer of coolant between the compressor and the cooler. This setup is essential for dissipating heat generated during compression, thereby prolonging the compressor’s lifespan and enhancing efficiency ².

Torque Converter Oil System

Within the torque converter oil system, the 4930889 Elbow Hose plays a significant role in managing the flow of oil. It is part of the plumbing that ensures the torque converter receives the necessary lubrication. This lubrication is vital for reducing friction and wear between moving parts, ultimately contributing to the smooth operation and durability of the torque converter ².

Exhaust Recirculation Water System

In the exhaust recirculation water system, the 4930889 Elbow Hose is used to route water for recirculation purposes. This hose is connected to the exhaust recirculation water plumbing, aiding in the reduction of exhaust temperatures and the control of emissions. By facilitating the efficient circulation of water, it helps in maintaining the desired temperature levels within the exhaust system, thus enhancing overall engine performance and compliance with emission standards ².

Engine Coolant System

The 4930889 Elbow Hose is also utilized in the engine coolant system. Here, it assists in the distribution of coolant throughout the engine, ensuring that all critical components remain within their optimal temperature ranges. This hose is a key element in the engine coolant plumbing, contributing to the prevention of overheating and the maintenance of engine efficiency ².

Vent System

Lastly, in the vent system, the 4930889 Elbow Hose is employed to manage the release of gases and pressures. It is part of the vent plumbing, ensuring that any buildup of pressure is safely vented, thereby protecting the engine from potential damage and ensuring a stable operating environment ².

Conclusion

Overall, the 4930889 Elbow Hose is a versatile and essential component across various engine systems, playing a significant role in the efficient operation and longevity of the engine. Regular maintenance and proper installation are crucial to ensure its optimal performance and reliability.