3920993
Plain Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$20.95 $24.93

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3920993 Plain Hose is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s fluid transfer systems, contributing to the overall efficiency and reliability of truck operations. Understanding its purpose and significance can help in maintaining and optimizing truck performance.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in various fluid transfer systems. They are designed to convey liquids or gases from one point to another within a system. In the context of heavy-duty trucks, plain hoses play a vital role in connecting different components and ensuring the smooth operation of various systems. They are typically made from durable materials that can withstand the pressures and temperatures associated with truck operations 1.

Role of the 3920993 Plain Hose in Truck Operation

This Cummins part is integral to the truck’s fluid transfer systems. It is responsible for transporting specific fluids between components, ensuring that systems operate as intended. This hose connects various parts of the truck, facilitating the movement of fluids necessary for the truck’s operation. The types of fluids it handles can vary, depending on the specific system it is part of, which may include coolant, fuel, or other essential liquids 2.

Key Features

The 3920993 Plain Hose boasts several key features that enhance its performance and longevity. These include a material composition designed for durability, flexibility to accommodate various installation scenarios, and a robust design that ensures it can withstand the rigors of truck operation. These characteristics contribute to its reliability and efficiency in fluid transfer applications.

Benefits of Using the 3920993 Plain Hose

Utilizing this Cummins part offers several advantages. It provides improved fluid transfer efficiency, thanks to its design and material properties. Its resistance to wear and tear ensures a longer service life, reducing the need for frequent replacements. Additionally, its compatibility with various truck systems makes it a versatile choice for fleet managers and maintenance professionals.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes verifying compatibility with existing truck systems, using appropriate securing methods, and ensuring all connections are tight and leak-free. Proper installation is key to maintaining the hose’s performance and the overall efficiency of the truck’s fluid transfer systems.

Maintenance and Troubleshooting

To ensure the optimal performance of the 3920993 Plain Hose, regular maintenance is recommended. This includes inspecting the hose for signs of wear, checking connections for leaks, and addressing any issues promptly. Common problems may include cracks, leaks, or blockages, which can often be resolved through routine checks and timely repairs.

Safety Considerations

When handling and working with this Cummins part, it is important to observe safety practices to prevent accidents or injuries. This includes using proper handling techniques, wearing appropriate personal protective equipment, and ensuring that all work is performed in a safe environment. Adhering to these safety guidelines helps protect both the technician and the equipment.

Environmental Impact

The use and disposal of the 3920993 Plain Hose should be considered in the context of environmental impact. Recycling options and eco-friendly disposal methods can help minimize the environmental footprint of this component. Additionally, choosing hoses made from recyclable materials and practicing sustainable maintenance routines can contribute to more environmentally responsible truck operations.

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 a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations. The company’s product range includes engines for on-highway, off-highway, and power generation applications, as well as filtration and aftermarket parts, demonstrating a comprehensive approach to powering the world.

Compatibility of Cummins Part 3920993 with Engine Models

This Cummins part is designed to fit seamlessly within a variety of engine models. This part is integral to the engine’s operation, ensuring proper fluid flow and maintaining system integrity. Here is a detailed look at its compatibility with specific engine models:

6C8.3 and C8.3 G Engines

The Plain Hose part 3920993 is compatible with the 6C8.3 and C8.3 G engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The hose ensures that the fluid pathways remain unobstructed, contributing to the engine’s overall efficiency and longevity.

C GAS PLUS CM556 and ISC CM554 Engines

The Plain Hose part 3920993 also fits the C GAS PLUS CM556 and ISC CM554 engines. These engines are designed for versatility and are often used in a range of applications, from construction to agricultural machinery. The hose’s role in these engines is crucial for maintaining the fluid systems that keep the engine running smoothly.

ISC CM850 and ISL CM554 Engines

For the ISC CM850 and ISL CM554 engines, the Plain Hose part 3920993 is an essential component. These engines are known for their high power output and efficiency, making them suitable for demanding tasks. The hose ensures that the fluid systems are properly maintained, which is vital for the engine’s performance and durability.

ISL9 CM2150 SN and QSL9 CM554 Engines

Lastly, the Plain Hose part 3920993 is compatible with the ISL9 CM2150 SN and QSL9 CM554 engines. These engines are designed for heavy-duty applications and are known for their power and reliability. The hose plays a key role in ensuring that the fluid systems are functioning correctly, which is essential for the engine’s optimal performance.

By ensuring that the Plain Hose part 3920993 is correctly installed and maintained, engine operators can help maintain the efficiency and longevity of their engines.

Role of Part 3920993 Plain Hose in Various Engine Systems

Fuel Delivery System

In the fuel delivery system, the 3920993 Plain Hose is instrumental in transporting fuel from the tank to the engine. It ensures a consistent and reliable flow of fuel, which is essential for the engine’s performance. The hose’s flexibility and durability help it withstand the pressures and temperatures associated with fuel transport.

Cooling System

Within the cooling system, the Plain Hose facilitates the circulation of coolant between the engine and the radiator. This circulation is vital for maintaining optimal engine temperature, preventing overheating, and ensuring efficient operation. The hose’s resistance to corrosion and high temperatures makes it suitable for this application.

Exhaust Recirculation System

In the Exhaust Gas Recirculation (EGR) system, the Plain Hose plays a key role in routing exhaust gases back into the intake manifold. This process helps reduce nitrogen oxides (NOx) emissions, contributing to a cleaner and more environmentally friendly engine operation. The hose must be able to handle the high temperatures and corrosive nature of exhaust gases.

Electrical Systems

For electrical systems, particularly those involving the CRN resistor, the Plain Hose may be used to manage and route fluids that help in cooling or lubricating sensitive components. The hose’s ability to maintain integrity under electrical stress is important for the reliable operation of these systems.

Plumbing Applications

In various plumbing applications within the engine compartment, the Plain Hose is used to transport fluids such as brake fluid, power steering fluid, and washer fluid. Its flexibility and resistance to various chemicals ensure that these systems operate smoothly and efficiently.

Corrosion Resistance

The Plain Hose’s corrosion-resistant properties are particularly beneficial in environments where exposure to various chemicals and moisture is common. This resistance helps prolong the lifespan of the hose and ensures consistent performance across different engine systems.

Conclusion

The Cummins 3920993 Plain Hose is a critical component in the fluid transfer systems of commercial trucks. Its design, durability, and compatibility with various engine models make it a reliable choice for maintaining the efficiency and reliability of truck operations. Proper installation, regular maintenance, and adherence to safety practices are essential for maximizing the performance and longevity of this part.


  1. Robinson, Alan, and Andrew Livesey. The Repair of Vehicle Bodies Fifth Edition. Elsevier, 2006.

  2. Nunney, MJ. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
12.625 x 0.625 x 0.625 in
Weight
0.14 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.