3928519
Air Intake Connection
Cummins®

Introduction

The Air Intake Connection 3928519 by Cummins is a critical component for commercial trucks, designed to enhance engine performance and efficiency. Understanding its function and importance is essential for maintaining and optimizing truck operations.

Basic Concepts of Air Intake Connections

An air intake connection is integral to the engine system, allowing air to enter the engine where it mixes with fuel for combustion. The efficiency of this process affects engine performance, fuel consumption, and emissions. A well-designed air intake connection ensures a steady and clean air supply, which is vital for optimal engine operation ¹.

Purpose of the 3928519 Air Intake Connection

This Cummins part facilitates the flow of air into the engine, connecting various components of the air intake system. It ensures a seamless pathway for air, maintaining the engine’s air-fuel ratio for efficient combustion and performance ².

Key Features

The 3928519 is constructed from durable materials to withstand commercial truck use. It features precise fittings and seals for a secure connection and may include design elements for easy installation and maintenance.

Benefits

Using this part can lead to improved engine efficiency, longevity, better fuel economy, and reduced emissions due to a consistent air supply and optimal air-fuel mixture ³.

Installation Process

Installing the 3928519 requires careful attention to ensure proper fit and function. The process involves disconnecting the old connection, cleaning the area, and securely attaching the new one. Following manufacturer guidelines is crucial to avoid damage.

Common Issues and Troubleshooting

Common issues with this part may include air leaks, connection failures, or environmental damage. Troubleshooting involves inspecting for wear or damage, ensuring secure fittings, and checking alignment within the air intake system.

Maintenance Tips

Regular maintenance of the 3928519 is important for its longevity and performance. This includes periodic inspections, cleaning, and ensuring all connections are tight and secure.

Compatibility and Usage

The 3928519 is designed for specific truck and engine models. Verifying compatibility with the vehicle’s make and model is important for proper fit and function. Following Cummins’ usage guidelines maximizes the component’s effectiveness and longevity.

Compatibility with Specific Engine Models

• 6C8.3: Ensures efficient airflow and optimal engine performance.
• ISC CM554 and ISL CM554: Maintains engine efficiency and performance.
• L8.9 and L8.9 L121: Provides a precise fit for smooth operation.
• L9.5 L117: Offers a reliable connection in the air intake system.
• QSC8.3 CM554 and QSL9 CM554: Integrates perfectly for overall efficiency.

Role of Part 3928519 in Engine Systems

This part serves as a conduit for air from the air filter to the throttle body or intake manifold, ensuring a consistent and uninterrupted flow of air into the engine. It maintains the integrity of the air pathway, prevents leaks, and reduces noise and vibrations within the engine compartment.

Conclusion

The 3928519 Air Intake Connection by Cummins is a vital component in the air intake system of commercial trucks. Its role in ensuring efficient airflow, maintaining system integrity, and contributing to reduced noise levels makes it essential for optimal engine performance and longevity.