4988937
Plain Hose
Cummins®

The Cummins 4988937 Plain Hose is a component designed for use in commercial trucks. It plays a role in the truck’s fluid transfer systems, facilitating the movement of various fluids essential for the truck’s operation. Understanding its purpose and role is fundamental for maintaining the efficiency and reliability of heavy-duty trucks.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in fluid transfer systems to convey liquids or gases from one point to another. In the context of heavy-duty trucks, these hoses are integral to the operation of various systems, including fuel, coolant, and hydraulic systems. They are designed to withstand the pressures and temperatures associated with these systems, ensuring reliable fluid transfer ¹.

Purpose of the Cummins 4988937 Plain Hose

The Cummins 4988937 Plain Hose is engineered to transport specific fluids within the truck’s system. It connects various components, allowing for the efficient transfer of fluids necessary for the truck’s operation. The hose is part of a system that ensures the proper functioning of the truck by maintaining the flow of essential fluids.

Key Features

The Cummins 4988937 Plain Hose boasts several key characteristics that enhance its performance and longevity. It is composed of materials that offer flexibility and durability, allowing it to withstand the rigors of heavy-duty truck environments. Its design specifications are tailored to meet the demands of the systems it serves, ensuring reliable operation over time ².

Benefits of Using Cummins 4988937 Plain Hose

Incorporating the Cummins 4988937 Plain Hose into truck systems offers several advantages. It contributes to improved efficiency by ensuring a smooth and uninterrupted flow of fluids. Its reliability reduces the likelihood of system failures, and its design facilitates ease of maintenance, making it a valuable component for truck operators.

Installation Considerations

Proper installation of the Cummins 4988937 Plain Hose is vital for ensuring optimal performance and longevity. Guidelines for installation include using the appropriate tools and ensuring all connections are secure. Following these procedures helps maintain the integrity of the fluid transfer system and prevents potential issues down the line.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4988937 Plain Hose is important for its longevity and performance. This includes checking for signs of wear or damage and ensuring all connections remain tight. Common issues may include leaks or blockages, which can often be addressed through routine inspections and timely repairs.

Safety Precautions

When handling, installing, or maintaining the Cummins 4988937 Plain Hose, it is important to observe safety measures to prevent accidents. This includes wearing appropriate personal protective equipment and ensuring the truck is properly shut down before beginning any work. Adhering to these precautions ensures safe operation and maintenance of the hose.

Cummins Overview

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 serves commercial truck markets with a wide range of products designed to enhance performance and reliability. The company’s reputation in the industry is built on its commitment to excellence and customer satisfaction.

Cummins Engine Compatibility with Part 4988937

The Plain Hose part number 4988937, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in ensuring the proper functioning of the engine’s cooling and exhaust systems by providing a reliable connection between different components. Here is a breakdown of the engines that are compatible with this hose:

ISB6.7 Series

• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• QSB6.7 CM2250

The ISB6.7 and QSB6.7 engines, both equipped with the CM2250 and CM2350 B101 configurations, utilize the Plain Hose 4988937 for their cooling and exhaust systems. This hose ensures efficient fluid transfer and maintains the necessary pressure levels within the engine.

ISC Series

• ISC CM2150
• ISC8.3 CM2250

The ISC engines, specifically the CM2150 and ISC8.3 CM2250, also incorporate the Plain Hose 4988937. This part is crucial for maintaining the integrity of the engine’s cooling and exhaust pathways, ensuring optimal performance and longevity.

ISL Series

• ISL CM2150
• ISL G CM2180
• ISL9 CM2250

The ISL engines, including the CM2150, ISL G CM2180, and ISL9 CM2250, depend on the Plain Hose 4988937 for their operational needs. This hose is essential for the seamless connection between various engine components, facilitating the smooth flow of fluids and gases.

ISX12 Series

• ISX12 G CM2180 EJ

The ISX12 G CM2180 EJ engine uses the Plain Hose 4988937 to ensure that the cooling and exhaust systems function correctly. This hose is a critical component in maintaining the engine’s efficiency and reliability.

QSC9 and QSL9 Series

• QSC9 CM2250/QSL9 CM2250
• QSL9 CM2250
• QSL9 CM2350 L102

The QSC9 and QSL9 engines, with configurations such as CM2250 and CM2350 L102, also integrate the Plain Hose 4988937. This hose is vital for the proper operation of these engines, ensuring that the cooling and exhaust systems are effectively connected and functioning as intended.

By understanding the compatibility of the Plain Hose 4988937 with these various Cummins engines, technicians and users can ensure that their engines are equipped with the correct components for optimal performance and longevity.

Role of Part 4988937 Plain Hose in Engine Systems

In the context of engine systems, the Part 4988937 Plain Hose is integral to the functionality and efficiency of several components. Specifically, it is utilized in the Exhaust Recirculation (EGR) system and the Exhaust Recirculation Air Plumbing.

Exhaust Recirculation (EGR) System

The EGR system is designed to reduce nitrogen oxides (NOx) emissions by recirculating a portion of the exhaust gas back into the intake manifold. The Part 4988937 Plain Hose facilitates the transport of these exhaust gases. It connects the exhaust manifold to the intake manifold, ensuring a smooth and controlled flow of recirculated gases. This helps in lowering the combustion temperature and, consequently, the formation of NOx ³.

Exhaust Recirculation Air Plumbing

In the Exhaust Recirculation Air Plumbing, the Part 4988937 Plain Hose plays a significant role in managing the airflow within the EGR system. It ensures that the recirculated exhaust gases are mixed appropriately with the incoming air-fuel mixture. This mixture is vital for maintaining the engine’s performance while adhering to emission standards. The hose’s durability and flexibility are essential in withstanding the high temperatures and pressures associated with exhaust gases, ensuring reliable operation over time.

The integration of the Part 4988937 Plain Hose in these systems underscores its importance in enhancing engine efficiency and reducing environmental impact through effective emission control.

Conclusion

The Cummins 4988937 Plain Hose is a critical component in the fluid transfer systems of commercial trucks, ensuring the efficient and reliable operation of various engine systems. Its compatibility with a wide range of Cummins engines, coupled with its key features and benefits, makes it an essential part for maintaining the performance and longevity of heavy-duty trucks. Proper installation, maintenance, and adherence to safety precautions are vital for maximizing the effectiveness of this Cummins part.