3394047
Air Transfer Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$369.95 $440.24

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 Air Transfer Connection 3394047, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems aimed at enhancing the efficiency and reliability of heavy-duty trucks. This part is integral to the air system of these vehicles, contributing to their overall performance and safety.

Basic Concepts of Air Transfer Connections

An Air Transfer Connection is a component that facilitates the movement of compressed air within a truck’s air system. This system is vital for operating various air-dependent functions, such as brakes, suspensions, and other pneumatic systems 1. The efficiency of an Air Transfer Connection directly influences the performance and reliability of these systems, ensuring that air-operated components function correctly under varying conditions.

Purpose of the 3394047 Air Transfer Connection

The 3394047 Air Transfer Connection plays a specific role in the operation of a truck by enabling the transfer of compressed air between different parts of the air brake system and other air-operated components. Its design allows for seamless integration within the truck’s air system, ensuring that air is efficiently distributed to where it is needed. This component is crucial for maintaining the functionality of the air brake system, which is fundamental to the safe operation of commercial trucks.

Key Features

The 3394047 Air Transfer Connection is characterized by several key features that enhance its functionality. It is constructed from durable materials to withstand the rigors of commercial truck operations. Its design includes precise fittings and connections that ensure a secure and leak-free transfer of air. Additionally, the component may feature unique attributes such as corrosion resistance and ease of installation, which contribute to its overall effectiveness.

Benefits

The advantages provided by the 3394047 Air Transfer Connection include improved air system efficiency, enhanced durability, and reliability across various operating conditions. By ensuring a consistent and secure transfer of compressed air, this component helps maintain the optimal performance of air-operated systems. Its robust construction and design features contribute to its longevity, reducing the need for frequent replacements and maintenance 2.

Installation Process

Installing the 3394047 Air Transfer Connection requires following a series of steps to ensure optimal performance. Prerequisites include ensuring the truck’s air system is clean and free of debris. The installation process involves securing the connection in place using the appropriate tools and following manufacturer guidelines to avoid leaks and ensure a tight fit. Best practices include checking for proper alignment and securing all connections to prevent air loss.

Maintenance Tips

To prolong the lifespan of the 3394047 Air Transfer Connection, regular maintenance practices are recommended. This includes routine inspections for signs of wear or damage, cleaning the component to remove any buildup that could impede its function, and following manufacturer guidelines for replacement. Adhering to these maintenance tips helps ensure the continued efficiency and reliability of the truck’s air system.

Troubleshooting Common Issues

Frequent problems associated with Air Transfer Connections can include leaks, blockages, or damage to the component. Diagnostic methods to pinpoint issues involve checking for air loss, inspecting the connection for physical damage, and ensuring all fittings are secure. Suggested remedies may include cleaning the connection, repairing or replacing damaged parts, or, in some cases, replacing the entire component to restore functionality.

Compatibility and Applications

The 3394047 Air Transfer Connection is designed for use in specific types of trucks and models, with applications spanning various commercial truck operations. Its compatibility ensures it can be integrated into existing air systems without modification, making it a versatile component for fleet managers and truck operators looking to maintain or upgrade their vehicles’ air systems.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a history of producing reliable and efficient parts and systems, Cummins has established a reputation for excellence. Its product range includes engines, filtration systems, and components like the 3394047 Air Transfer Connection, all designed to enhance the performance and reliability of commercial trucks.

Air Transfer Connection Part 3394047 in Cummins Engines

The Air Transfer Connection part 3394047 is a critical component in several Cummins engine models, ensuring the efficient transfer of air within the engine system. This part is integral to maintaining optimal engine performance and reliability.

G8.3 Engines

In the G8.3 engine series, the Air Transfer Connection part 3394047 plays a vital role in the air management system. It facilitates the movement of air between different parts of the engine, ensuring that the air is properly distributed to achieve the desired combustion efficiency. This part is designed to withstand the high pressures and temperatures typical of engine operations, ensuring durability and long-term functionality.

GTA8.3 CM558 Engines

Similarly, in the GTA8.3 CM558 engine, the Air Transfer Connection part 3394047 is essential for the engine’s air transfer system. This engine variant, known for its robust performance, relies on precise air management to maintain its high output. The part ensures that air is efficiently transferred, contributing to the engine’s overall performance and reliability. Its design allows it to handle the specific demands of the GTA8.3 CM558 engine, ensuring that it operates smoothly under various conditions.

Common Functionality

Across both engine series, the Air Transfer Connection part 3394047 is engineered to provide a secure and reliable connection for air transfer. This part is crucial in maintaining the engine’s air system integrity, which is vital for performance and efficiency. Its design ensures that it fits seamlessly into the engine’s architecture, providing a consistent and dependable performance.

Role of Part 3394047 Air Transfer Connection in Engine Systems

The 3394047 Air Transfer Connection is an essential component in the orchestration of airflow within engine systems. Its primary function is to facilitate the seamless transfer of air between various components, ensuring optimal performance and efficiency.

Air Crossover Connection

In systems equipped with an air crossover connection, the 3394047 plays a significant role. It acts as a conduit, allowing air to flow from one side of the engine to the other. This balanced distribution of air is vital for maintaining equal pressure and temperature across the engine, which in turn enhances combustion efficiency and reduces the likelihood of hotspots.

General Connection

As a general connection piece, the 3394047 ensures that air moves efficiently between different sections of the engine. Whether connecting the intake manifold to the intercooler or linking the turbocharger to the exhaust manifold, this component guarantees that air transitions smoothly, minimizing turbulence and pressure drops.

Air Transfer

The core function of the 3394047 is air transfer. In turbocharged engines, for instance, it ensures that the compressed air from the turbocharger is delivered to the intake manifold without significant loss of pressure or temperature. This efficient transfer is paramount for maximizing the turbocharger’s boost and, consequently, the engine’s power output.

Location

Depending on its location within the engine system, the 3394047 can have varied roles. When positioned between the intercooler and the intake manifold, it ensures that the cooled air is efficiently channeled into the combustion chambers. If located post-turbocharger, it ensures that the pressurized air is effectively distributed, enhancing the engine’s overall performance.

Turbocharger

In turbocharged engine setups, the 3394047 Air Transfer Connection is often found connecting the turbocharger’s outlet to the intake system. Its role here is to ensure that the boosted air from the turbocharger is efficiently transferred to the intake manifold, optimizing the combustion process and maximizing the engine’s power and efficiency.

Conclusion

The 3394047 Air Transfer Connection by Cummins is a vital component in the air systems of commercial trucks and engines, ensuring efficient and reliable air transfer. Its robust design, compatibility with various engine models, and critical role in maintaining engine performance make it an indispensable part for fleet managers and truck operators. Regular maintenance and proper installation are key to maximizing its benefits and ensuring the longevity of the air system.


  1. Mananathan, R. (2022). Automobile Wheel Alignment and Wheel Balancing. SAE International.

  2. Eret, A. (2024). Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature.

SPECIFICATIONS

Package Dimensions
4.13 x 4.13 x 8.25 in
Weight
1.12 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.