4964180
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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 4964180 Male Union Fitting is a component designed for use in commercial truck maintenance and operation. This fitting is integral to the fluid systems of trucks, ensuring the secure and efficient transfer of fluids such as fuel, coolant, and hydraulic fluid. Its role in maintaining system integrity and performance makes it a significant part of truck maintenance routines 1.

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. It consists of a male threaded end that screws into a corresponding female fitting, creating a secure connection. Male union fittings are commonly used in automotive and industrial applications where fluid systems require reliable and easily detachable connections. They allow for straightforward maintenance and repair by enabling the disconnection of system components without the need for cutting or soldering 2.

Purpose of the 4964180 Male Union Fitting

The Cummins 4964180 Male Union Fitting serves a specific function within a truck’s fluid systems. It is designed to connect various components, ensuring the smooth and uninterrupted flow of fluids. This fitting plays a role in maintaining the integrity of the fluid pathways, contributing to the overall efficiency and reliability of the truck’s operation.

Key Features

The Cummins 4964180 Male Union Fitting is characterized by several key features that enhance its performance and durability. These include:

  • Material Composition: Constructed from high-quality materials, ensuring resistance to corrosion and wear.
  • Thread Type: Features a specific thread type that ensures a secure and leak-free connection.
  • Pressure Ratings: Designed to withstand high pressure, suitable for the demanding conditions of commercial truck applications.
  • Design Characteristics: Incorporates design elements that facilitate easy installation and maintenance, such as a union nut that allows for quick disconnection.

Benefits

Using the Cummins 4964180 Male Union Fitting offers several advantages:

  • Improved System Reliability: The secure connection provided by the fitting contributes to the overall reliability of the truck’s fluid systems.
  • Ease of Installation: The design of the fitting allows for straightforward installation, reducing downtime during maintenance procedures.
  • Maintenance Advantages: The fitting’s design facilitates easy disassembly for inspection and cleaning, simplifying maintenance tasks.

Installation Process

Proper installation of the Cummins 4964180 Male Union Fitting involves the following steps:

  1. Prepare the Fitting: Ensure the fitting and corresponding female component are clean and free of debris.
  2. Apply Thread Sealant: Use a compatible thread sealant to enhance the seal and prevent leaks.
  3. Screw the Fitting: Carefully screw the male end into the female component, ensuring a tight and secure connection.
  4. Tighten: Use the appropriate tools to tighten the fitting, following the manufacturer’s torque specifications to avoid over-tightening.

Troubleshooting Common Issues

Common problems with male union fittings include leaks and corrosion. To address these issues:

  • Leaks: Check for proper installation and ensure the thread sealant is applied correctly. Tighten the fitting if necessary, but avoid over-tightening.
  • Corrosion: Inspect the fitting for signs of corrosion and replace if damaged. Ensure the fitting is made from corrosion-resistant materials suitable for the application.

Maintenance Tips

To prolong the service life of the Cummins 4964180 Male Union Fitting and ensure optimal performance:

  • Regular Inspections: Conduct periodic inspections to check for signs of wear, corrosion, or leaks.
  • Cleaning: Clean the fitting and surrounding components to remove any buildup that could affect performance.
  • Replacement: Replace the fitting if it shows signs of significant wear or damage to maintain system integrity.

Cummins Corporation 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 and engine industry. The company offers a wide range of products and services designed to meet the needs of customers in various sectors, including transportation, construction, and agriculture.

Compatibility of Male Union Fitting Part 4964180 with Cummins Engines

The Male Union Fitting part number 4964180, manufactured by Cummins, is designed to integrate seamlessly with a variety of Cummins engine models. This fitting is essential for ensuring proper fluid flow and connection in the engine’s cooling and fuel systems. Below is a detailed overview of its compatibility with the specified engine models:

QSK19 Series

  • QSK19 CM2350 K105
  • QSK19 CM2350 K114
  • QSK19 CM2350 K144G
  • QSK19 CM850 MCRS

The Male Union Fitting part 4964180 is compatible with the QSK19 series engines, which include the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, and QSK19 CM850 MCRS. This fitting ensures a secure and leak-proof connection, crucial for maintaining the integrity of the engine’s cooling and fuel systems.

QSK38 Series

  • QSK38 CM2150 MCRS
  • QSK38 CM850 MCRS

For the QSK38 series, the part 4964180 is compatible with both the QSK38 CM2150 MCRS and QSK38 CM850 MCRS engines. This fitting is engineered to handle the specific demands of these engines, providing reliable performance and durability.

QSK50 Series

  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108

The QSK50 series engines, including the QSK50 CM2150 MCRS and QSK50 CM2350 K108, also benefit from the use of the Male Union Fitting part 4964180. This part ensures that the connections within these engines are robust and capable of withstanding the operational stresses.

QSK60 and QSK95 Series

  • QSK60 CM850 MCRS
  • QSK95 CM2350 K111
  • QSK95 CM2350 K113

The QSK60 CM850 MCRS, QSK95 CM2350 K111, and QSK95 CM2350 K113 engines are also compatible with the part 4964180. This fitting is designed to meet the stringent requirements of these high-performance engines, ensuring optimal fluid flow and system integrity.

QST30 Series

  • QST30 CM2350 T101
  • QST30 CM552

Lastly, the QST30 series engines, including the QST30 CM2350 T101 and QST30 CM552, are also suitable for the Male Union Fitting part 4964180. This part is engineered to provide a reliable connection, essential for the efficient operation of these engines.

Role of Part 4964180 Male Union Fitting in Engine Systems

The part 4964180 Male Union Fitting is an essential component in various engine systems, facilitating the secure connection between different elements. Its role is significant in ensuring the integrity and efficiency of the fuel system, plumbing, and other related accessories.

In the fuel system, the Male Union Fitting is used to connect the fuel inlet to the fuel pump. This connection is vital for maintaining a consistent fuel flow, which is necessary for the engine’s performance. The fitting ensures that there are no leaks, which could lead to fuel wastage or hazardous conditions.

Within the plumbing system of an engine, the Male Union Fitting plays a part in connecting various pipes and hoses. This is particularly important in systems where precise fluid dynamics are required, such as in the circulation of coolant or oil. The fitting’s design allows for easy disassembly and reassembly, which is beneficial during maintenance or repairs.

When it comes to the fuel filter, the Male Union Fitting is often used to connect the filter to the fuel lines. This ensures that the fuel passing through is clean and free from contaminants, which is essential for the longevity and efficiency of the engine.

In summary, the part 4964180 Male Union Fitting is a versatile component that enhances the functionality and reliability of engine systems by providing secure and leak-proof connections between various parts.

Conclusion

The Cummins 4964180 Male Union Fitting is a critical component in the maintenance and operation of commercial trucks. Its design and features ensure secure and efficient fluid transfer, contributing to the overall reliability and performance of the vehicle. Proper installation, regular maintenance, and understanding its role within engine systems are essential for maximizing the benefits of this Cummins part.


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

  2. Osgood, L., Cameron, G., & Christensen, E. (2024). Engineering Mechanics: Statics. Creative Commons.

SPECIFICATIONS

Package Dimensions
6.2 x 4.1 x 6.6 in
Weight
0.15 lb
* 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.