4941765
Molded Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$169.95 $202.24

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 4941765 Molded Hose is a component manufactured by Cummins, a well-established name in the automotive industry, particularly in the realm of commercial trucks. This hose is integral to the fluid transport systems within trucks, ensuring efficient operation and reliability. Molded hoses, in general, are vital components in truck systems, providing a durable and efficient means of transporting fluids under various operating conditions 1.

Basic Concepts of Molded Hoses

Molded hoses are specialized components designed to transport fluids within automotive systems. They are constructed by molding synthetic or natural rubber around a textile or wire reinforcement, which provides strength and flexibility. These hoses are commonly used in automotive applications due to their ability to withstand high pressure, temperature fluctuations, and exposure to various chemicals. The materials used in molded hoses, such as EPDM (Ethylene Propylene Diene Monomer) and Viton, are chosen for their specific properties, including resistance to heat, ozone, and chemical degradation 2.

Purpose of the 4941765 Molded Hose

This Cummins part serves a specific function within the truck’s system by connecting critical components and facilitating the transport of fluids. It is designed to link parts of the engine or transmission system, ensuring that fluids are delivered efficiently and under the required pressure. This hose plays a role in maintaining the operational integrity of the connected systems by providing a reliable pathway for fluid flow 3.

Key Features

The 4941765 Molded Hose is characterized by several key features that enhance its performance and durability. Its design incorporates a robust construction material, typically a combination of synthetic rubber and textile or wire reinforcement, which provides both flexibility and strength. The hose is engineered to withstand the demanding conditions within a truck’s engine compartment, including high temperatures and pressures. Additionally, it may feature unique attributes such as a smooth inner surface to reduce flow resistance and specialized end fittings for secure attachment to the system components.

Benefits

Utilizing this Cummins part in truck systems offers several advantages. Its construction materials and design contribute to improved reliability and resistance to wear and tear, ensuring long-term performance. The hose is compatible with specific truck models, providing a tailored fit and function within the system. Its ability to withstand extreme conditions enhances the overall efficiency and safety of the truck’s operation 4.

Installation Considerations

When installing the 4941765 Molded Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure attachment. This may involve using specific tools for clamping and securing the hose to the system components. Attention to detail during installation helps prevent leaks and ensures the hose operates within its designed parameters, contributing to the system’s overall reliability.

Troubleshooting and Maintenance

Common issues with the 4941765 Molded Hose may include leaks, cracks, or deterioration due to exposure to harsh conditions. Troubleshooting steps may involve inspecting the hose for signs of wear, ensuring proper installation, and replacing the hose if necessary. Regular maintenance, such as checking for signs of wear and ensuring secure fittings, can help maintain the hose’s longevity and optimal performance.

Performance in Various Conditions

The 4941765 Molded Hose is designed to perform under a range of operating conditions, including extreme temperatures, high pressure, and exposure to chemicals. Its construction materials and design allow it to withstand these challenges, ensuring reliable fluid transport within the truck’s system. This resilience contributes to the overall durability and efficiency of the truck’s operation.

Cummins: A Brief Overview

Cummins is a renowned manufacturer in the automotive industry, with a history of producing high-quality components for commercial vehicles. The company is known for its commitment to quality, innovation, and customer satisfaction. Cummins’ reputation in the industry is built on a foundation of reliable products and a dedication to advancing automotive technology, making it a trusted name for truck owners and operators 5.

Cummins Molded Hose Part 4941765 Compatibility

The Cummins molded hose part number 4941765 is designed to fit seamlessly within the engine systems of the QSB5.9 CM850. This hose is engineered to meet the stringent requirements of these engines, ensuring optimal performance and durability.

In the QSB5.9 CM850 engines, the molded hose part 4941765 is typically used for connecting various fluid lines, such as oil, coolant, or fuel lines, depending on the specific application within the engine. Its design allows for flexibility and resistance to the harsh conditions often encountered in engine environments, including high temperatures and pressures.

This hose is integral to maintaining the engine’s operational efficiency, as it ensures that the necessary fluids are properly routed and contained. The molded construction provides a robust and reliable connection, reducing the risk of leaks and ensuring that the engine operates smoothly.

For the QSB5.9 CM850 engines, the molded hose part 4941765 is a critical component that supports the overall functionality and longevity of the engine system.

Role of Part 4941765 Molded Hose in Engine Systems

This Cummins part is an essential component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth transfer of fluids and gases between different parts of the engine. Here’s how it integrates with specific components:

Air Cleaner System

In the air cleaner system, the 4941765 Molded Hose plays a significant role in directing the airflow. It connects the air cleaner to the intake manifold, ensuring that clean, filtered air reaches the engine cylinders. This connection is vital for maintaining optimal combustion efficiency and reducing emissions. The hose’s durable construction withstands the pressure and temperature variations within the air intake system, providing reliable performance over time.

Cleaner Integration

When integrated with cleaner systems, such as emissions control components, the 4941765 Molded Hose ensures that fluids and gases are transported efficiently. For instance, in systems designed to capture and recirculate crankcase emissions, this hose connects the Positive Crankcase Ventilation (PCV) valve to the intake tract. This helps in reducing harmful emissions and improving overall engine performance by ensuring that these gases are burned rather than released into the atmosphere.

Air System Coordination

The hose also coordinates with other air-related systems, such as the secondary air injection system. In this application, it routes air to the exhaust system to aid in the combustion of unburned hydrocarbons, thereby reducing emissions. The precise fit and sealing properties of the 4941765 Molded Hose are essential for maintaining the integrity of these systems, ensuring that air is delivered where needed without leaks.

Conclusion

In summary, the 4941765 Molded Hose is a versatile component that enhances the functionality of various engine systems by ensuring efficient fluid and gas transfer. Its reliable performance contributes to the overall efficiency and emissions control of the engine.


  1. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

  2. Eret, A. (2024). Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature.

  3. Goodnight, N., & Van Gelder, K. (2018). Automotive Braking Systems. Jones & Bartlett Learning.

  4. Denton, T., & Pells, H. (2022). Automotive Technician Training, Second Edition. Routledge.

  5. Cummins. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 5411162.

SPECIFICATIONS

Package Dimensions
4.0 x 4.0 x 1.2 in
Weight
0.23 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.