3927105
Air Intake Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$249.95 $297.44

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 Air Intake Connection, part number 3927105, is a critical component designed for commercial trucks. Its primary function is to facilitate the intake of air into the engine, which is essential for the combustion process that powers the vehicle. This part ensures that the engine receives a steady and clean supply of air, contributing to the efficient operation of the truck’s engine system.

Basic Concepts of Air Intake Connection

Air intake connections in diesel engines are responsible for directing air from the external environment into the engine. The flow of air is crucial for the combustion process, where it mixes with fuel to produce the energy that drives the engine. Clean and efficient air intake is vital for optimal engine performance, as contaminants in the air can lead to decreased efficiency and increased wear on engine components 1.

Purpose of the 3927105 Air Intake Connection

The 3927105 Air Intake Connection plays a specific role in the truck’s engine system by providing a pathway for air to enter the engine. This part is designed to ensure that the air entering the engine is clean and at the correct volume and pressure, which is necessary for efficient combustion. By facilitating the intake of air, the 3927105 contributes to the overall performance and reliability of the truck’s engine 2.

Key Features

The 3927105 Air Intake Connection is characterized by several key features that enhance its performance and durability. Its design is engineered to withstand the harsh conditions of commercial truck operation, including exposure to dirt, debris, and varying temperatures. The materials used in its construction are selected for their strength and resistance to corrosion, ensuring long-term reliability. Additionally, the connection may feature unique attributes such as a sealed design to prevent leaks and a robust mounting system for secure installation 3.

Benefits

The advantages provided by the 3927105 Air Intake Connection include improved engine efficiency, as clean and properly pressurized air intake is crucial for optimal combustion. This can lead to reduced emissions, as efficient combustion results in fewer unburned fuel particles being released into the atmosphere. Furthermore, the enhanced performance of the truck’s engine can contribute to better overall vehicle efficiency and reliability 4.

Installation and Integration

Installing the 3927105 Air Intake Connection involves several steps and considerations to ensure proper integration with the truck’s engine system. Compatibility with various engine models is a key factor, as the connection must fit securely and function correctly within the specific engine configuration. Integration with other components of the air intake system, such as filters and hoses, is also important to maintain the integrity of the air intake pathway 5.

Maintenance and Care

To ensure the longevity and optimal performance of the 3927105 Air Intake Connection, regular maintenance and care are necessary. This includes periodic inspection for signs of wear or damage, cleaning to remove any accumulated dirt or debris, and replacement at recommended intervals to prevent failure. Proper maintenance of the air intake connection contributes to the overall health and efficiency of the truck’s engine 6.

Troubleshooting Common Issues

Common problems associated with air intake connections, such as leaks or blockages, can affect engine performance. Diagnosing these issues may involve visual inspection, pressure testing, or analyzing engine performance data. Resolving these issues typically requires repairing or replacing the affected components to restore the integrity of the air intake system 7.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of engine and power generation products. The company has a history of innovation and quality, which is reflected in its product offerings, including the 3927105 Air Intake Connection. Cummins’ reputation for reliability and performance makes its components a popular choice for commercial truck applications.

Cummins Engine Air Intake Connection 3927105

The Cummins Air Intake Connection part number 3927105 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and efficiency. This part is integral to the air intake system, facilitating the smooth flow of air into the engine’s combustion chamber.

Compatible Engines

  • 4B3.9
  • 6B5.9
  • 6C8.3
  • B4.5
  • QSB3.9 30 CM550
  • QSB5.9 30 CM550
Grouping of Engines

The engines listed can be grouped based on their series and model specifications:

  • 4B3.9 and 6B5.9: These engines are part of the B series, known for their robust design and reliability in various applications.
  • 6C8.3 and B4.5: These engines belong to the C and B series respectively, often utilized in heavy-duty applications requiring high power output.
  • QSB3.9 30 CM550 and QSB5.9 30 CM550: These engines are part of the QSB series, designed for both industrial and agricultural use, offering a balance of power and efficiency.

Each of these engines benefits from the precise fit and functionality of the Cummins Air Intake Connection 3927105, ensuring that the air intake system operates efficiently and effectively.

Role of Part 3927105 Air Intake Connection in Engine Systems

The 3927105 Air Intake Connection is a critical component that facilitates the smooth operation of various engine systems by ensuring efficient airflow. This component is strategically positioned to connect the air intake system to other critical parts of the engine, optimizing performance and reliability.

Integration with the Air Intake System

The Air Intake Connection serves as a vital link between the air filter and the engine’s intake manifold. It ensures that clean, metered air is delivered to the combustion chambers, which is fundamental for maintaining engine efficiency and power output. By providing a secure and leak-free connection, it prevents any unmetered air from entering the system, which could otherwise disrupt the air-fuel ratio and lead to inefficient combustion.

Connection to the Turbocharger

In turbocharged engine systems, the Air Intake Connection plays a significant role in directing airflow to the turbocharger. It is typically located between the air filter and the turbocharger compressor inlet. This positioning allows for the efficient delivery of pressurized air, enhancing the turbocharger’s ability to force more air into the combustion chambers. The result is improved engine performance and increased power output without compromising fuel efficiency.

Ensuring Turbocharger Location Efficiency

The precise location of the turbocharger is critical for optimal engine performance. The Air Intake Connection ensures that the path from the air filter to the turbocharger is direct and unobstructed, minimizing pressure losses and turbulence. This direct routing helps maintain the integrity of the airflow, allowing the turbocharger to operate at peak efficiency. Additionally, the connection is designed to withstand the high pressures and temperatures associated with turbocharged systems, ensuring durability and reliability under demanding conditions.

Overall System Harmony

By seamlessly integrating with the air intake system and turbocharger, the Air Intake Connection contributes to the overall harmony of the engine’s components. It ensures that each part functions synergistically, leading to enhanced engine performance, improved fuel economy, and reduced emissions. The component’s design and placement are meticulously engineered to support these goals, making it an indispensable part of modern engine systems.

Conclusion

The 3927105 Air Intake Connection by Cummins is a vital component in the efficient operation of commercial truck engines. Its role in ensuring a clean and steady supply of air to the engine is crucial for optimal combustion, engine performance, and reliability. Regular maintenance and proper installation are essential to maximize the benefits of this part, contributing to the overall efficiency and longevity of the truck’s engine system.


  1. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

  2. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

  3. Bell, J. A. (2014). Modern Diesel Technology Electricity Electronics. Delmar Cengage Learning.

  4. Reif, K. (Ed.). (2014). Diesel Engine Management Systems and Components. Springer Vieweg.

  5. Cummins Inc. (n.d.). Owners Manual. Bulletin Number 4326108.

  6. Cummins Inc. (n.d.). Owners Manual. Bulletin Number 4326108.

  7. Cummins Inc. (n.d.). Owners Manual. Bulletin Number 4326108.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.3 x 5.1 x 4.2 in
Weight
7.85 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.