4938641
Male Union
Cummins®

IN STOCK

Cummins®

3 are currently available

Ships within 1 business day

$19.95 $23.74

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 Male Union Fitting 4938641, manufactured by Cummins, is a specialized component designed for use in commercial truck applications. Cummins, a renowned name in the automotive and industrial sectors, produces this fitting to meet the demanding requirements of heavy-duty truck operations. This fitting is integral to the fluid systems within these vehicles, ensuring efficient and reliable performance.

Basic Concepts of Male Union Fittings

A Male Union Fitting is a type of pipe fitting used to connect two sections of pipe or tubing in fluid systems. It consists of a male threaded end that screws into a corresponding female fitting, creating a secure and leak-proof connection. These fittings are widely used in automotive and industrial applications due to their ability to provide a robust and easily detachable connection, facilitating maintenance and repairs 1.

Purpose of the 4938641 Male Union Fitting in Truck Operations

This part plays a specific role in the operation of commercial trucks by connecting various components within the truck’s fluid systems. This includes systems such as the fuel, hydraulic, and coolant systems. Its function is to ensure a secure and reliable connection between different sections of the piping, allowing for the efficient transfer of fluids under high pressure and temperature conditions 2.

Key Features of the 4938641 Male Union Fitting

The 4938641 Male Union Fitting is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, such as stainless steel or brass, which offer excellent resistance to corrosion and wear. The design includes precise threading and sealing mechanisms to ensure a tight and leak-free connection. Additionally, it may feature unique attributes such as anti-vibration properties to withstand the rigors of truck operations 3.

Benefits of Using the 4938641 Male Union Fitting

Incorporating this Cummins part into truck fluid systems offers several advantages. It contributes to improved efficiency by ensuring a secure and leak-free connection, which is vital for maintaining system pressure and performance. The fitting’s reliability reduces the risk of fluid leaks, which can lead to system failures or inefficiencies. Furthermore, its design allows for easy maintenance and replacement, minimizing downtime and repair costs 4.

Installation and Compatibility

Proper installation of the 4938641 Male Union Fitting is crucial for ensuring its effectiveness and longevity. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection. Compatibility with various truck models and systems is an important consideration, and it is advisable to consult Cummins or a qualified technician to ensure the fitting is suitable for the specific application 1.

Maintenance and Troubleshooting

To ensure optimal performance of the 4938641 Male Union Fitting, regular maintenance is recommended. This includes periodic inspection for signs of wear or corrosion, and tightening connections as necessary. Common troubleshooting techniques for addressing potential issues may involve checking for leaks, ensuring proper alignment, and verifying that all connections are secure. If problems persist, consulting a professional technician is advisable 2.

Safety Considerations

When working with the 4938641 Male Union Fitting, it is important to observe safety guidelines and precautions. This includes wearing appropriate personal protective equipment, ensuring the system is depressurized before making any connections or disconnections, and following proper handling and installation practices to prevent accidents or injuries 3.

Cummins: A Brief Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of engines and related technologies. With a history spanning over a century, Cummins is renowned for its commitment to quality, innovation, and customer satisfaction. The company produces a wide range of automotive and industrial components, including the 4938641 Male Union Fitting, which is designed to meet the high standards required for heavy-duty applications 4.

Compatibility with Cummins Engines

The Male Union Fitting 4938641 is a versatile component designed to integrate seamlessly with a range of Cummins engines. This fitting is essential for ensuring proper fluid flow and connection in various engine systems.

ISC CM2150 and ISL CM2150

The ISC CM2150 and ISL CM2150 engines both benefit from the Male Union Fitting 4938641. This part is crucial for maintaining the integrity of the engine’s cooling system, ensuring that coolant flows efficiently and without leaks. Its design allows for a secure connection, which is vital for the performance and longevity of these engines.

ISC8.3 CM2250 and ISL9 CM2250

For the ISC8.3 CM2250 and ISL9 CM2250 engines, the Male Union Fitting 4938641 plays a similar role. These engines, which are part of the CM2250 series, require precise fluid management to operate at peak efficiency. The fitting’s robust construction and compatibility with the engine’s design ensure that it can handle the demands of these high-performance engines.

QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250

The QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250 engines also utilize the Male Union Fitting 4938641. This part is integral to the engine’s exhaust system, facilitating the connection between different components. Its precision engineering ensures that the exhaust system operates smoothly, contributing to the overall efficiency and reliability of the engine.

Role of Part 4938641 Male Union Fitting in Various Engine Systems

The 4938641 Male Union Fitting is an essential component in several engine systems, facilitating the secure and efficient connection of various parts. Its applications span across multiple systems, ensuring optimal performance and reliability.

Plumbing Systems

In plumbing systems, the 4938641 Male Union Fitting is utilized to join pipes and hoses, ensuring a leak-free connection. This fitting allows for easy disassembly and reassembly, which is particularly beneficial during maintenance or repairs. Its robust design withstands the pressure and temperature variations common in plumbing applications, contributing to the system’s durability.

Radiator Systems

Within radiator systems, the 4938641 Male Union Fitting plays a significant role in connecting the radiator to the engine and other cooling system components. This ensures a consistent flow of coolant, which is vital for maintaining engine temperature within safe operating limits. The fitting’s secure connection prevents coolant leaks, which could lead to engine overheating and potential damage.

Upfit Kits

In upfit kits, which are used to modify vehicles for specific purposes, the 4938641 Male Union Fitting is often employed to connect additional equipment to the engine’s fluid systems. Whether it’s for enhanced cooling, specialized plumbing, or other modifications, this fitting provides a reliable connection point. Its versatility makes it a preferred choice for custom vehicle builds and upgrades.

Vent Systems

For vent systems, the 4938641 Male Union Fitting is used to connect various vent components, ensuring proper airflow and pressure management. This is particularly important in engine compartments where ventilation is crucial for dissipating heat and maintaining a safe operating environment. The fitting’s design allows for efficient air passage while securing the connections against vibrations and movement.

Engine Coolant Systems

In engine coolant systems, the 4938641 Male Union Fitting is integral to connecting hoses and pipes that circulate coolant throughout the engine. This ensures that the coolant reaches all necessary components, providing consistent cooling and preventing hotspots. The fitting’s ability to maintain a secure seal under varying temperatures and pressures is essential for the coolant system’s effectiveness.

Conclusion

Overall, the 4938641 Male Union Fitting is a versatile and reliable component that enhances the functionality and efficiency of various engine systems. Its applications in plumbing, radiators, upfit kits, vents, and engine coolant systems underscore its importance in maintaining the performance and longevity of these systems.


  1. Rendle, S., & Randall, M. (2000). Haynes Diesel Engine Systems and Data Book. Haynes Publishing.

  2. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

  3. Bennett, S. (2012). Modern Diesel Technology Light Duty Diesels. Cengage Learning.

  4. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

SPECIFICATIONS

Package Dimensions
1.5 x 1.5 x 0.5 in
Weight
0.03 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.