3967358
Air Intake Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$224.95 $267.69

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 3967358 Air Intake Connection is a component designed to facilitate the flow of air into the engine of heavy-duty trucks. Its role is significant in ensuring that the engine receives the necessary air volume and quality for optimal performance. This part is integral to the engine’s air intake system, contributing to the overall efficiency and reliability of the truck’s operation 1.

Basic Concepts of Air Intake Connection

An air intake connection serves as a conduit for air to enter the engine. In a truck’s engine system, this component is vital for maintaining the correct air-fuel mixture, which is essential for combustion efficiency. The air intake connection contributes to overall engine performance by ensuring that clean, filtered air is delivered to the engine in the right quantity and at the appropriate pressure 2.

Purpose of the 3967358 Air Intake Connection

The 3967358 Air Intake Connection plays a role in the operation of a truck by facilitating the flow of air into the engine. It connects the air filter housing to the turbocharger or the engine intake manifold, ensuring a sealed pathway for air to travel. This connection is designed to withstand the pressures and temperatures within the engine compartment, providing a reliable link in the air intake system.

Key Features

The 3967358 Air Intake Connection is constructed from durable materials that can resist the harsh conditions of a truck’s engine compartment. Its design includes features such as reinforced seals and robust clamps to ensure a secure connection. Additionally, the connection may have unique attributes like integrated sensors or specific fitting designs that enhance its functionality and ease of installation.

Benefits

The 3967358 Air Intake Connection offers several benefits, including improved engine efficiency due to a more consistent and reliable air supply. Its durable construction contributes to the longevity of the component, reducing the need for frequent replacements. Performance enhancements may also be observed, as the connection helps maintain the engine’s optimal air-fuel ratio.

Installation Process

Installing the 3967358 Air Intake Connection requires careful attention to ensure a proper fit. The process involves aligning the connection with the air filter housing and the turbocharger or intake manifold, securing it with the provided clamps, and verifying that all seals are intact. Tools such as torque wrenches may be necessary to achieve the correct tightness for the clamps. Best practices include checking for any obstructions in the air path and ensuring that all connections are clean and free from debris before installation.

Troubleshooting Common Issues

Common problems with the 3967358 Air Intake Connection may include leaks or blockages that can affect engine performance. Troubleshooting steps involve inspecting the connection for signs of wear or damage, checking the seals for integrity, and ensuring that the clamps are securely fastened. If a leak is detected, the connection may need to be resealed or replaced. Blockages can often be resolved by cleaning the air path and ensuring that the connection is properly aligned.

Maintenance Tips

Regular maintenance of the 3967358 Air Intake Connection is important for ensuring its longevity and optimal performance. This includes periodic cleaning to remove any accumulated dirt or debris, inspecting the seals and clamps for wear, and replacing the connection if it shows signs of damage or failure. Adhering to the manufacturer’s guidelines for maintenance intervals can help prevent issues and maintain engine efficiency.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, particularly for heavy-duty truck components, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product offerings include a wide range of engine and component solutions designed to meet the demanding requirements of various industries.

Air Intake Connection Part 3967358 in Cummins Engines

The Air Intake Connection part 3967358, manufactured by Cummins, is a critical component in the engine’s air intake system. This part ensures a secure and efficient connection between the turbocharger and the intake manifold, facilitating the flow of air into the engine. Its design and placement are crucial for maintaining optimal engine performance and efficiency.

In the QSB5.9 CM850 engine, the Air Intake Connection part 3967358 plays a pivotal role in the engine’s overall functionality. This engine, known for its robust performance and reliability, benefits from the precise engineering of this component. The part’s seamless integration with the engine’s air intake system helps in achieving the desired air-fuel mixture, which is essential for the engine’s combustion process.

The part 3967358 is engineered to withstand the high pressures and temperatures typical in diesel engines. Its robust construction ensures durability and longevity, reducing the need for frequent replacements and maintenance. This reliability is particularly important in heavy-duty applications where the engine operates under demanding conditions.

The Air Intake Connection part 3967358 is designed to fit snugly with the engine’s turbocharger and intake manifold, ensuring a leak-free connection. This is vital for maintaining the engine’s efficiency and preventing any loss of power due to air leaks. The part’s precision-engineered fit also contributes to the engine’s overall performance by ensuring that the air intake system operates at peak efficiency.

Role of Part 3967358 Air Intake Connection in Engine Systems

The part 3967358 Air Intake Connection is integral to the efficient operation of various engine components, particularly in arrangements involving turbochargers.

In turbocharged engine systems, the Air Intake Connection facilitates the smooth transition of air from the air filter to the turbocharger. This ensures that the turbocharger receives a consistent and clean air supply, which is essential for optimal performance. The connection minimizes air leaks and pressure drops, contributing to the turbocharger’s ability to compress air effectively before it enters the combustion chamber.

In engine arrangements without turbochargers, the Air Intake Connection still plays a significant role. It ensures that the air entering the engine is directed efficiently through the intake manifold. This promotes better air-fuel mixture distribution across the cylinders, leading to more uniform combustion and improved engine performance.

Overall, the 3967358 Air Intake Connection is a key component in maintaining the integrity and efficiency of the air intake system, whether in turbocharged or non-turbocharged engine configurations.

Conclusion

The Cummins 3967358 Air Intake Connection is a vital component in the air intake system of heavy-duty trucks, ensuring optimal engine performance and efficiency. Its durable construction, precise engineering, and reliable operation make it an essential part of the engine’s air intake system, contributing to the overall efficiency and reliability of the truck’s operation.


  1. Goodnight, N., & Van Gelder, K. (2018). Automotive Braking Systems. Jones & Bartlett Learning.

  2. Gilles, T. (2020). Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning.

SPECIFICATIONS

Package Dimensions
8.63 x 8.25 x 5.5 in
Weight
2.36 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.