3051091
Plain Hose Coupling
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$409.95 $487.84

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

Introduction

The Cummins 3051091 Plain Hose Coupling is a component designed for use in commercial truck operations. It plays a role in ensuring the efficient transfer of fluids within the truck’s systems. This part is part of Cummins Inc.’s range of products aimed at enhancing the reliability and performance of commercial vehicles.

Basic Concepts of Plain Hose Couplings

Plain hose couplings are devices used to connect hoses in fluid transfer systems. They facilitate the secure and leak-free connection of hoses, allowing for the efficient transfer of fluids such as coolant, fuel, or hydraulic fluid. These couplings are important in maintaining the integrity of the fluid transfer system, ensuring that fluids are delivered where needed without loss or contamination 1.

Purpose of the 3051091 Plain Hose Coupling

The Cummins 3051091 Plain Hose Coupling plays a role in the operation of a truck by connecting hoses and facilitating the transfer of fluids. It is designed to provide a reliable connection that can withstand the pressures and conditions encountered in commercial truck applications. This coupling ensures that fluids are transferred efficiently and without leaks, contributing to the overall performance and reliability of the truck.

Key Features

The Cummins 3051091 Plain Hose Coupling features a design that enhances its performance and durability. It is constructed from materials that are resistant to corrosion and wear, ensuring long-lasting use in demanding environments. The coupling’s design allows for easy installation and removal, making it a practical choice for maintenance and repair tasks. Additionally, it is engineered to provide a secure connection that minimizes the risk of leaks.

Benefits

Using the Cummins 3051091 Plain Hose Coupling offers several benefits. It provides improved reliability in fluid transfer systems, ensuring that fluids are delivered efficiently and without interruption. The coupling’s design allows for ease of installation, reducing downtime during maintenance tasks. Additionally, its durable construction and resistance to wear contribute to lower maintenance requirements and extended service life.

Installation Process

Proper installation of the Cummins 3051091 Plain Hose Coupling involves several steps. First, ensure that the hoses to be connected are clean and free of debris. Next, align the coupling with the hose ends and push them into the coupling until they are fully seated. It is important to follow the manufacturer’s guidelines for torque specifications when tightening any associated clamps or fasteners to ensure a secure connection without over-tightening, which could damage the hose or coupling 2.

Troubleshooting Common Issues

Common problems with plain hose couplings may include leaks, difficulty in installation, or coupling failure. To address leaks, check for proper alignment and seating of the hoses within the coupling. Ensure that any clamps or fasteners are tightened to the manufacturer’s specifications. If installation is difficult, verify that the hoses are the correct size and free of obstructions. Coupling failure may indicate material fatigue or damage; in such cases, replacement of the coupling is recommended.

Maintenance Tips

To ensure optimal performance and longevity of the Cummins 3051091 Plain Hose Coupling, regular maintenance is recommended. This includes periodic inspection for signs of wear, corrosion, or damage. Cleaning the coupling and associated hoses can prevent buildup that may lead to leaks or reduced efficiency. Additionally, verifying the tightness of any clamps or fasteners during routine checks can help maintain a secure connection.

Safety Considerations

When working with plain hose couplings, it is important to observe safety practices and precautions. Ensure that the system is depressurized before attempting any maintenance or repair tasks to avoid injury from pressurized fluid. Use appropriate personal protective equipment, such as gloves and safety glasses, to protect against potential hazards. Follow the manufacturer’s guidelines for installation and maintenance to ensure safe and effective use of the coupling.

Cummins 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 reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to enhance the performance, efficiency, and reliability of commercial vehicles 3.

Cummins Part 3051091: Plain Hose Coupling in Engine Applications

The Cummins part 3051091, a Plain Hose Coupling, is a component in various engine systems, ensuring seamless fluid transfer and maintaining operational integrity. This part is integral to the N14 MECHANICAL and NH/NT 855 engines, where it plays a role in the engine’s fluid management systems.

N14 MECHANICAL Engine

In the N14 MECHANICAL engine, the Plain Hose Coupling is used to connect various fluid lines, ensuring that coolant, oil, and other essential fluids are efficiently circulated. This coupling is designed to withstand the high pressures and temperatures typical in engine environments, providing a reliable connection that minimizes leaks and maintains system efficiency.

NH/NT 855 Engine

Similarly, in the NH/NT 855 engine, the Plain Hose Coupling is important for maintaining the integrity of the engine’s fluid systems. It connects hoses that transport critical fluids, ensuring that the engine operates smoothly and efficiently. The design of this coupling ensures it can handle the specific demands of the NH/NT 855 engine, contributing to its overall performance and longevity.

The use of the Cummins part 3051091 in these engines highlights its importance in maintaining the fluid systems’ efficiency and reliability. This coupling is a testament to Cummins’ commitment to providing high-quality components that meet the rigorous demands of heavy-duty engine applications.

Role of Part 3051091 Plain Hose Coupling in Engine Systems

The part 3051091 Plain Hose Coupling is instrumental in ensuring the seamless operation of various engine components by facilitating fluid transfer and maintaining system integrity.

Integration with Housing

In engine systems, the housing often encases sensitive components, protecting them from external contaminants and ensuring optimal performance. The Plain Hose Coupling connects fluid lines to the housing, allowing for the circulation of coolant or other fluids necessary for temperature regulation and lubrication. This connection is vital for maintaining the housing’s function, as it ensures that fluids reach their intended destinations without leaks or disruptions.

Interaction with Thermostat

The thermostat plays a key role in regulating engine temperature by controlling the flow of coolant between the engine and the radiator. The Plain Hose Coupling is used to connect the coolant lines to the thermostat, enabling efficient coolant circulation. This ensures that the thermostat can accurately monitor and adjust the engine’s temperature, contributing to overall engine efficiency and longevity.

Connection to Thermostat Housing

The thermostat housing is designed to house the thermostat and provide a secure environment for it to operate. The Plain Hose Coupling is employed to link the coolant passages within the thermostat housing to the broader cooling system. This connection is essential for maintaining a consistent flow of coolant, which helps in stabilizing engine temperature and preventing overheating.

By integrating the Plain Hose Coupling with these components, engine systems benefit from reliable fluid dynamics, enhanced component protection, and improved overall performance.

Conclusion

The Cummins 3051091 Plain Hose Coupling is a vital component in commercial truck and engine systems, ensuring efficient and reliable fluid transfer. Its durable construction, ease of installation, and integration with critical engine components highlight its importance in maintaining system integrity and performance.


  1. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  2. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill, 2018.

  3. Bell, Joseph A. Modern Diesel Technology Electricity Electronics. Delmar Cengage Learning, 2014.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.3 x 1.7 x 1.7 in
Weight
0.2 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.