3939044
Plain Street Pipe Elbow
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$12.95 $15.41

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 3939044 Plain Street Pipe Elbow is a component designed for use in commercial trucks. It plays a role in the truck’s fluid systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and role is fundamental for maintaining and optimizing truck performance.

Basic Concepts

A Plain Street Pipe Elbow is a fitting used in fluid systems to change the direction of flow within a pipeline. In the context of a truck’s components, it allows for the redirection of fluids such as coolant, fuel, or hydraulic fluid. This fitting operates by providing a smooth transition between two sections of pipe, ensuring that the flow of fluid is maintained without significant loss of pressure or efficiency 1.

Purpose and Role

This Cummins part is integral to the truck’s system for directing fluid flow. It ensures that fluids move efficiently through the system, reducing the risk of leaks and maintaining system integrity. By facilitating a smooth change in direction, it helps in preserving the pressure and flow rate necessary for the truck’s operation.

Key Features

The Cummins 3939044 Plain Street Pipe Elbow is characterized by its robust material composition and precise design specifications. These features contribute to its performance by ensuring durability and reliability under the demanding conditions typical of commercial truck applications. Its design allows for easy integration into existing systems, enhancing overall system efficiency.

Benefits

The use of this Cummins part offers several benefits. It improves fluid dynamics within the system, ensuring that fluids are directed efficiently. Its durable construction contributes to the longevity of the component, reducing the need for frequent replacements. Additionally, its reliable performance under various conditions makes it a valuable component in maintaining the truck’s operational efficiency 2.

Installation Considerations

Proper installation of the Cummins 3939044 Plain Street Pipe Elbow is crucial for its effective operation. It is important to follow torque specifications to ensure a secure fit without over-tightening, which could damage the fitting or the pipes. Alignment procedures should be carefully observed to maintain the integrity of the fluid flow. Compatibility with other system components must also be ensured to avoid issues such as leaks or blockages.

Troubleshooting and Maintenance

Common issues with the Cummins 3939044 Plain Street Pipe Elbow may include leaks or blockages. Regular inspection and maintenance can help identify these issues early, allowing for timely repairs or replacements. Maintenance practices should include checking for signs of wear or damage, ensuring proper alignment and torque, and verifying the integrity of connections to prevent fluid loss or system inefficiency.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins offers a wide range of products designed to enhance the performance, efficiency, and reliability of commercial vehicles. Their commitment to innovation and quality has established them as a trusted name in the industry.

Cummins Part 3939044: Plain Street Pipe Elbow in Engine Applications

The Cummins part 3939044, a Plain Street Pipe Elbow, is a component in the exhaust systems of various Cummins engines. This part is designed to facilitate smooth transitions in the exhaust piping, ensuring efficient exhaust flow and reducing back pressure.

Engine Compatibility

  • 6B5.9: The 6B5.9 engine is one of the models where the Plain Street Pipe Elbow is utilized. This part ensures that the exhaust gases are directed properly, maintaining the engine’s performance and efficiency.

  • Other Cummins Engines: While the 6B5.9 is specifically mentioned, the Plain Street Pipe Elbow is also compatible with a range of other Cummins engines. This part’s design allows it to fit seamlessly into the exhaust systems of these engines, providing a reliable connection point for the exhaust pipes.

The use of the Plain Street Pipe Elbow in these engines highlights its versatility and importance in maintaining the integrity of the exhaust system. Its design ensures that it can withstand the high temperatures and pressures typical of engine exhaust systems, contributing to the overall durability and performance of the engine.

Role of Part 3939044 Plain Street Pipe Elbow in Engine Systems

The 3939044 Plain Street Pipe Elbow is a component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth redirection of fluid or gas flow within the system, ensuring optimal performance and reliability.

Integration with Fuel Pump Solenoid Assembly

In the fuel pump solenoid assembly, the 3939044 Plain Street Pipe Elbow is utilized to redirect the fuel lines. This ensures that fuel is efficiently delivered to the engine while minimizing the risk of leaks or restrictions. The elbow’s design allows for a compact and secure connection, which is vital for maintaining consistent fuel pressure and flow rates.

Application in Plumbing Systems

Within plumbing systems associated with engine cooling or lubrication, the 3939044 Plain Street Pipe Elbow plays a significant role. It enables the redirection of coolant or oil flow, ensuring that these fluids reach their intended destinations without obstruction. This is particularly important in maintaining the thermal management of the engine, as well as ensuring that moving parts are adequately lubricated.

Contribution to Air Fuel Control Systems

In air fuel control systems, the 3939044 Plain Street Pipe Elbow is employed to manage the airflow within the intake system. By providing a precise angle for the air intake lines, it helps in achieving the correct air-fuel mixture, which is essential for combustion efficiency and overall engine performance. This component ensures that air is smoothly guided into the engine, contributing to stable operation and reduced emissions.

The 3939044 Plain Street Pipe Elbow, through its versatile applications, enhances the functionality and reliability of engine systems by ensuring efficient fluid and gas flow management.

Conclusion

The Cummins 3939044 Plain Street Pipe Elbow is a vital component in the fluid systems of commercial trucks and engines. Its role in facilitating smooth fluid and gas flow transitions contributes significantly to the efficiency, reliability, and performance of these systems. Proper installation, regular maintenance, and understanding its applications are key to leveraging its full potential in enhancing vehicle and engine performance.


  1. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

  2. Reif, K. (Ed.). (2014). Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer.

* 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.