3974863
Molded Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$73.95 $88.00

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 3974863 Molded Hose, manufactured by Cummins, is a specialized component designed for use in commercial truck operations. Cummins, a well-established name in the automotive industry, produces this hose to meet the demanding requirements of heavy-duty applications. This Cummins part is integral to maintaining the efficiency and reliability of truck systems, ensuring that fluids and gases are transported effectively throughout the vehicle.

Basic Concepts of Molded Hoses

Molded hoses are precision-engineered components used in various automotive systems. They are constructed by molding synthetic rubber or other durable materials around a reinforcement core, which may consist of textile or metal. This construction method provides molded hoses with the flexibility and strength needed to withstand high pressures and temperatures. In automotive applications, molded hoses are commonly used to transport fluids such as coolant, fuel, and hydraulic fluid, as well as gases like air and exhaust 1.

Purpose of the 3974863 Molded Hose

The 3974863 Molded Hose is designed to play a specific role within a truck’s system by transporting essential fluids or gases. It supports various systems, including the engine cooling system, fuel delivery system, or hydraulic systems. The hose ensures that these systems operate efficiently by providing a reliable pathway for the movement of fluids and gases, which is vital for the overall performance and durability of the truck 2.

Key Features

The 3974863 Molded Hose boasts several key features that enhance its performance and durability. It is composed of high-quality materials that are resistant to wear, corrosion, and extreme temperatures. The hose’s design includes reinforced ends to prevent leaks and ensure a secure fit within the truck’s system. Additionally, it may feature unique characteristics such as a smooth inner lining to reduce flow resistance and specialized coatings to protect against environmental factors 3.

Benefits

The use of the 3974863 Molded Hose offers several advantages. It contributes to improved efficiency within the truck’s system by ensuring that fluids and gases are transported without restriction. The hose’s reliable construction enhances the overall reliability of the truck, reducing the likelihood of system failures. Furthermore, its durable design can lead to cost benefits by minimizing the need for frequent replacements and repairs 4.

Installation Considerations

Proper installation of the 3974863 Molded Hose is crucial to ensure its effective performance. Guidelines for installation include ensuring that the hose is correctly aligned with the connection points and that all fittings are securely fastened. Tools such as hose clamps may be required to achieve a tight seal. It is also important to inspect the hose for any signs of damage before installation to prevent potential issues.

Troubleshooting Common Issues

Common problems that may arise with the 3974863 Molded Hose include leaks, cracks, or blockages. Troubleshooting steps involve inspecting the hose for visible signs of damage, checking the connection points for proper alignment and secure fittings, and ensuring that there are no obstructions within the hose. Solutions may include repairing or replacing the hose, tightening fittings, or clearing blockages.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the 3974863 Molded Hose. This includes periodic inspections for signs of wear or damage, cleaning the hose to remove any buildup that may affect its performance, and replacing the hose according to the manufacturer’s guidelines or when signs of degradation are observed.

Cummins: A Brief Overview

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 strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications.

Cummins Molded Hose Part 3974863 Compatibility

The Cummins molded hose part number 3974863 is designed to fit seamlessly within various engine configurations, ensuring optimal performance and reliability. This hose is engineered to meet the stringent requirements of the engines it supports, providing a durable and efficient solution for fluid transfer and management.

QSM11 Engines

The QSM11 engine series benefits from the precision and durability of the 3974863 molded hose. This part is specifically tailored to integrate with the QSM11 engines, ensuring that fluid pathways are maintained without leaks or restrictions. The hose’s design allows for easy installation and maintenance, making it a reliable component in the engine’s overall system.

CM570 Engines

Similarly, the CM570 engine series is equipped with the 3974863 molded hose to enhance its operational efficiency. This hose is crafted to fit perfectly within the CM570 engine’s architecture, providing a seamless connection that supports the engine’s fluid dynamics. The use of high-quality materials ensures that the hose can withstand the pressures and temperatures typical of engine environments, contributing to the engine’s longevity and performance.

Grouped Engine Compatibility

The molded hose part 3974863 is not limited to individual engine models but is also compatible with a range of engine groups that include the QSM11 and CM570 engines. This compatibility extends to various applications where these engines are utilized, ensuring that the hose can be a versatile and dependable component across different engine setups. The design and specifications of the hose are meticulously aligned with the requirements of these engine groups, facilitating a smooth and efficient integration.

Role of Part 3974863 Molded Hose in Various Components

Package

Part 3974863 Molded Hose is integral to the package system, ensuring the secure and efficient transfer of fluids between components. It is designed to withstand the pressures and temperatures typical in engine systems, providing a reliable connection that minimizes the risk of leaks and ensures consistent performance.

Product Installation

During product installation, the Molded Hose plays a significant role in simplifying the process. Its pre-formed shape and durable construction reduce the need for additional fittings or adapters, streamlining the installation and reducing the potential for human error. This results in a more straightforward and efficient setup, enhancing overall system reliability.

Plumbing

In the context of plumbing within engine systems, the Molded Hose is used to connect various fluid pathways. Its robust design ensures that it can handle the dynamic conditions of the engine environment, including fluctuations in pressure and temperature. This reliability is essential for maintaining the integrity of the plumbing system and ensuring that fluids are delivered where needed without interruption.

Keel Cooler

The Molded Hose is also a key component in the keel cooler system. It facilitates the transfer of coolant between the engine and the keel cooler, helping to regulate engine temperature effectively. The hose’s ability to maintain a secure connection under varying conditions is vital for the efficient operation of the keel cooler, ensuring that the engine remains within optimal temperature ranges.

Conclusion

The 3974863 Molded Hose by Cummins is a critical component in the efficient operation of commercial trucks. Its design, featuring high-quality materials and reinforced ends, ensures durability and reliability in transporting essential fluids and gases. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential to maximize the benefits of this part. Cummins’ reputation for producing high-quality components is reflected in the performance and compatibility of the 3974863 Molded Hose across various engine configurations.


  1. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books, 2023.

  2. Barton, David C, and John D Fieldhouse. Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier, 2009.

  3. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

  4. Pacejka, Hans B. Tyre and Vehicle Dynamics. Butterworth-Heinemann, 2006.

SPECIFICATIONS

Package Dimensions
10.5 x 4.0 x 2.6 in
Weight
0.75 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.