4913978
Male Union Elbow
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$90.95 $108.23

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 Male Union Elbow, identified by Part #4913978, is a component manufactured by Cummins, a leading name in the automotive and heavy-duty truck industry. This part is integral to the fluid systems of commercial trucks, facilitating the efficient transfer of fluids such as fuel, hydraulic fluid, and coolant. Cummins is renowned for its commitment to quality and innovation, making this Male Union Elbow a reliable choice for truck operators and maintenance professionals 1.

Basic Concepts and Functionality

A Male Union Elbow is a fitting used in fluid systems to connect pipes or hoses at an angle. It features a male threaded end that screws into a female fitting, allowing for secure and leak-resistant connections. In commercial trucks, these elbows are used to navigate the complex routing of fluid lines, ensuring that fluids can flow smoothly despite the angles and turns required by the vehicle’s design 2.

Purpose of the Male Union Elbow in Truck Operations

The Male Union Elbow plays a role in the fluid systems of a truck by providing a means to connect and direct the flow of fluids at various points within the system. In the fuel system, it helps route fuel from the tank to the engine. In hydraulic systems, it aids in the transmission of hydraulic fluid to operate various truck functions. For coolant systems, it ensures that coolant circulates effectively to maintain engine temperature. Its angled design allows for flexibility in system layout, accommodating the spatial constraints within a truck’s chassis.

Key Features

The Cummins Male Union Elbow is designed with specific features that enhance its performance and durability. It is constructed from high-quality materials resistant to corrosion and wear, ensuring longevity in demanding truck environments. The fitting’s threaded connection provides a secure seal, minimizing the risk of leaks. Additionally, its design allows for easy disassembly and reassembly, facilitating maintenance and repair processes.

Benefits

Using the Cummins Male Union Elbow offers several advantages. It contributes to improved system efficiency by ensuring a secure and leak-free connection in fluid systems. Its design simplifies installation, reducing downtime during maintenance. The durability of the materials used ensures long-term reliability, minimizing the need for frequent replacements. Furthermore, the ease of disassembly and reassembly supports efficient maintenance practices.

Installation Considerations

When installing the Male Union Elbow, it is important to follow guidelines to ensure a secure and efficient connection. Necessary tools include a wrench for tightening the fitting and a sealant to enhance the seal. Preparation steps involve cleaning the mating surfaces to remove any debris that could compromise the seal. Compatibility with other system components should be verified to ensure a proper fit and function within the fluid system.

Troubleshooting and Maintenance

Common issues with the Male Union Elbow may include leaks or difficulty in disassembly. Diagnostic steps for identifying problems involve inspecting the fitting for signs of wear or damage and checking the tightness of the connection. Maintenance tips to ensure longevity and optimal performance include regular inspection for leaks, cleaning the fitting to remove any buildup, and reapplying sealant as necessary. Prompt attention to any issues can prevent more significant problems down the line.

Safety Considerations

When working with the Male Union Elbow, it is important to follow safety protocols to protect both the technician and the equipment. Handling procedures should include wearing personal protective equipment, such as gloves and safety glasses, to prevent injury. System pressure checks should be performed before disassembly to release any pressure that could cause injury. Following these safety considerations helps ensure a safe working environment.

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 itself as a trusted provider of high-quality automotive and industrial components. The company’s product range includes engines, powertrains, and related components, all designed with a commitment to quality, performance, and innovation. Cummins’ dedication to excellence is evident in its extensive portfolio of parts, including the Male Union Elbow, which is engineered to meet the rigorous demands of commercial truck operations.

Compatibility of Male Union Elbow Part 4913978 with Cummins Engines

The Male Union Elbow part number 4913978, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part is integral in ensuring the proper connection and functionality of the engine’s fluid systems.

K19 Engines

For the K19 engine series, the Male Union Elbow part 4913978 is specifically engineered to meet the stringent requirements of these high-performance engines. Its precision-engineered design ensures a secure and leak-proof connection, which is crucial for maintaining optimal engine performance.

NH/NT 855 Engines

The NH/NT 855 engines benefit from the Male Union Elbow part 4913978, which provides a reliable connection point for various fluid lines. This part’s robust construction and precise dimensions ensure it fits perfectly within the engine’s design, facilitating efficient fluid transfer and reducing the risk of leaks.

QSNT14 CM876 N102 Engines

In the QSNT14 CM876 N102 engine series, the Male Union Elbow part 4913978 is a critical component that ensures the integrity of the engine’s fluid systems. Its compatibility with this engine series is ensured through rigorous testing and design, guaranteeing a perfect fit and reliable performance.

Grouping of Engines

The Male Union Elbow part 4913978 is versatile enough to be used across multiple Cummins engine series, including the K19, NH/NT 855, and QSNT14 CM876 N102 engines. This part’s universal design allows it to be a reliable choice for maintaining the fluid systems of these engines, ensuring they operate efficiently and reliably.

Role of Part 4913978 Male Union Elbow in Various Engine Systems

The part 4913978 Male Union Elbow is a versatile component that integrates seamlessly into multiple engine systems, enhancing their functionality and efficiency.

Oil Drain Turbocharger System

In the oil drain turbocharger system, the Male Union Elbow facilitates the connection between the oil drain line and the turbocharger. This connection ensures a secure and leak-free pathway for the oil to be drained from the turbocharger, maintaining optimal lubrication and preventing oil contamination within the system. The elbow’s design allows for flexibility in routing, accommodating the complex layout of modern engine compartments.

Plumbing System

Within the engine’s plumbing system, the Male Union Elbow plays a significant role in connecting various fluid lines, such as coolant or fuel lines. Its robust construction ensures that these connections remain intact under high pressure and temperature conditions, contributing to the overall reliability of the engine’s fluid management system. The elbow’s ability to provide a tight seal is essential for preventing leaks, which could lead to system failures or reduced efficiency.

Turbocharger System

In the turbocharger system, the Male Union Elbow is often used to connect the turbocharger to the engine’s air intake and exhaust systems. This connection is vital for maintaining the integrity of the air and exhaust flow, ensuring that the turbocharger operates efficiently. The elbow’s design allows for easy installation and removal, facilitating maintenance and upgrades to the turbocharger system without requiring extensive modifications to the engine’s layout.

Conclusion

Overall, the part 4913978 Male Union Elbow is an indispensable component in various engine systems, providing reliable connections that contribute to the engine’s performance and longevity. Its compatibility with a range of Cummins engines, coupled with its robust design and ease of maintenance, makes it a valuable asset for truck operators and maintenance professionals.


  1. Quansheng Zhan, Shengbo Eben, Li Kun Deng. Automotive Heating Ventilation and Air Conditioning. Jones Bartlett Learning, 2018.

  2. Wilfried J Bartz. Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press, 2019.

SPECIFICATIONS

Package Dimensions
11.0 x 9.0 x 8.0 in
Weight
0.028 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.