3410222
Plain Union Elbow
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$319.95 $380.74

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

The Cummins 3410222 Plain Union Elbow is a component designed for use in truck systems, manufactured by Cummins Inc., a well-established name in the commercial truck industry. This part is integral to the fluid systems of trucks, facilitating the connection and redirection of fluid flow within these systems.

Basic Concepts of Plain Union Elbows

A Plain Union Elbow is a type of fitting used in fluid systems to connect and redirect fluid flow at a 90-degree angle. It operates by allowing two pipes to be joined together in a manner that can be easily disconnected for maintenance or repair. The “plain” designation indicates that the fitting does not have any additional features such as gaskets or seals integrated into the design, relying instead on the mating surfaces of the connected pipes for a seal 1.

Purpose of the Cummins 3410222 Plain Union Elbow

The Cummins 3410222 Plain Union Elbow serves a specific role in the operation of commercial trucks by providing a reliable connection point in fluid systems that require changes in direction. It is commonly applied in systems where maintenance access is needed, such as fuel, hydraulic, and coolant systems. Its design allows for easy disconnection and reconnection, which is beneficial during routine maintenance or when repairs are necessary 2.

Key Features

The Cummins 3410222 Plain Union Elbow is constructed from high-quality materials that ensure durability and resistance to the harsh conditions often encountered in commercial truck environments. Its design includes precision-machined surfaces to ensure a tight seal when connected, and it features a simple yet effective mechanism for joining and separating pipes. Unique attributes of this fitting include its ease of use and the ability to be quickly installed or removed without the need for additional tools 3.

Benefits

The advantages of using the Cummins 3410222 Plain Union Elbow include improved fluid flow due to its streamlined design, which minimizes resistance and potential leakage points. Its ease of installation is another benefit, as it can be quickly connected or disconnected with minimal effort. Additionally, the durability of the fitting ensures long-term reliability in demanding operating conditions, reducing the need for frequent replacements.

Installation and Usage

Proper installation of the Cummins 3410222 Plain Union Elbow involves ensuring that the mating surfaces are clean and free from debris to facilitate a secure seal. It is important to follow manufacturer guidelines for torque specifications when tightening the fitting to avoid over-tightening, which could damage the fitting, or under-tightening, which could lead to leaks. Common applications within truck maintenance and repair include use in fuel lines, hydraulic systems, and coolant pathways where maintenance access is required.

Troubleshooting and Maintenance

Identifying common issues with Plain Union Elbows, such as leaks or difficulty in disconnection, often involves checking for proper installation and ensuring that the mating surfaces are in good condition. Regular maintenance practices include inspecting the fitting for signs of wear or corrosion and ensuring that it remains securely fastened. When replacement or repair is necessary, it is important to use the correct procedures to maintain the integrity of the fluid system.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s product range includes components and systems designed to enhance the performance, efficiency, and durability of commercial vehicles.

Cummins Part 3410222: Plain Union Elbow Compatibility

The Cummins part 3410222, a Plain Union Elbow, is designed to fit seamlessly within the engine systems of the QSK19, CM2350, and K105 engines. This part is integral to the engine’s functionality, ensuring proper fluid flow and connection between various components.

QSK19 and CM2350 Engines

The QSK19 and CM2350 engines, both part of Cummins’ heavy-duty engine lineup, are known for their robust performance and reliability in demanding applications. The Plain Union Elbow part 3410222 is specifically engineered to interface with the intricate piping and fluid systems within these engines. It ensures that the fluid pathways remain uninterrupted, which is crucial for maintaining the engine’s operational efficiency and longevity.

K105 Engine

The K105 engine, another member of Cummins’ extensive engine family, also benefits from the precise engineering of the Plain Union Elbow part 3410222. This part is designed to fit within the K105’s complex fluid management systems, ensuring that all connections are secure and that fluid flow is maintained at optimal levels. The compatibility of this part with the K105 engine underscores Cummins’ commitment to providing high-quality components that enhance engine performance.

Role of Part 3410222 Plain Union Elbow in Engine Systems

The part 3410222 Plain Union Elbow is an essential component in various engine systems, facilitating the efficient transfer of fluids and ensuring the seamless operation of critical subsystems.

Integration with Filters

In engine systems equipped with filters, the Plain Union Elbow plays a significant role in connecting the filter housing to the main fluid lines. This connection ensures that the fluid, whether it be fuel, coolant, or hydraulic fluid, flows smoothly into and out of the filter. The elbow’s design allows for a secure and leak-proof joint, which is vital for maintaining the integrity of the filtration process. By providing a reliable connection point, it helps in preventing contaminants from bypassing the filter, thereby ensuring that the fluid remains clean and free from particles that could damage engine components.

Application in Lubricating Oil Systems

Within lubricating oil systems, the Plain Union Elbow is often used to connect the oil pump to the oil filter and subsequently to the engine bearings and other lubricated parts. This component ensures that the lubricating oil is distributed evenly throughout the engine, reducing friction and wear on moving parts. The elbow’s ability to handle high-pressure oil flow without leaking is paramount in maintaining optimal lubrication, which is essential for the longevity and performance of the engine. Additionally, it allows for easier maintenance and replacement of the oil filter, as the elbow can be disconnected without requiring complex tools or procedures.

Conclusion

The Cummins 3410222 Plain Union Elbow is a versatile and reliable component that enhances the functionality and efficiency of engine systems by ensuring secure and leak-free connections in critical fluid pathways. Its compatibility with Cummins’ QSK19, CM2350, and K105 engines underscores its importance in maintaining the operational efficiency and longevity of these engines.


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

  2. Carroll, Douglas R. Energy Efficiency of Vehicles. SAE International, 2020.

  3. Pacejka, Hans B. Tyre and Vehicle Dynamics. Butterworth-Heinemann, 2006.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.9 x 4.5 x 4.5 in
Weight
0.65 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.