3819475
Breather Tube
Cummins®

Introduction

The Cummins 3819475 Breather Tube is a critical component in commercial trucks, designed to enhance engine efficiency and reliability. Understanding its function and operation is essential for maintaining vehicle performance.

Basic Concepts and Functionality

A breather tube allows air to enter and exit the engine’s crankcase, maintaining balanced pressure crucial for engine operation. It vents excess pressure and moisture, preventing oil contamination and ensuring smooth engine function ¹.

Purpose of the 3819475 Breather Tube

This Cummins part facilitates air circulation through the crankcase, removing moisture and contaminants that could lead to oil degradation and engine wear. It contributes to engine longevity and performance by releasing pressure and removing contaminants ².

Key Features

The 3819475 Breather Tube is known for its durable construction and efficient design. Made from high-quality materials resistant to corrosion and wear, it includes a filter element to capture contaminants before they enter the engine’s air intake system ³.

Benefits

Using the 3819475 Breather Tube results in improved engine performance and longevity. It maintains a clean and balanced crankcase environment, leading to efficient engine operation, reduced maintenance costs, and increased vehicle reliability.

Installation and Compatibility

Proper installation of the 3819475 Breather Tube is crucial for its effectiveness. Following installation guidelines ensures secure fitting and proper alignment with the engine’s ventilation system. Specific requirements may vary by truck model, necessitating consultation of manufacturer’s instructions.

Maintenance and Troubleshooting

Regular maintenance of the 3819475 Breather Tube is vital for optimal performance. This includes periodic inspection for wear or damage and cleaning or replacing the filter element as needed. Troubleshooting may involve checking for blockages or leaks and addressing issues promptly to prevent further damage.

Common Issues and Solutions

Common problems with breather tubes include blockages, leaks, or contamination. Solutions may involve cleaning the tube, repairing or replacing damaged sections, or ensuring the filter element functions correctly. Promptly addressing these issues maintains engine efficiency and reliability.

Cummins Overview

Cummins Inc. is renowned in the commercial truck industry for its commitment to quality and innovation. Known for producing reliable and high-performance engine components, Cummins focuses on research and development to ensure its products meet the demanding requirements of commercial truck applications.

Breather Tube (Part 3819475) Compatibility with Cummins Engines

The Breather Tube part number 3819475 is compatible with various Cummins engines, ensuring proper ventilation and pressure balance within the engine’s crankcase.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

QSM11 Series Engine

• QSM11 CM570

Understanding the Integration of Part 3819475 Breather Tube in Engine Systems

The 3819475 breather tube is essential for the efficient operation of various engine systems, managing crankcase pressure and maintaining optimal engine performance.

Role in Crankcase Breather Systems

In crankcase breather arrangements, the breather tube allows gases to escape, preventing pressure build-up that could lead to oil leaks or reduced engine efficiency.

Interaction with CRC Breather Systems

In CRC (Crankcase Relief and Control) breather systems, the breather tube directs gases to a secondary filtration system before release, reducing emissions and improving engine cleanliness.

Plumbing and Breather Arrangements

Effective plumbing of the breather tube is vital, ensuring it is correctly routed, secured, and insulated to prevent contamination and ensure efficient gas management.

Comprehensive Breather and Crankcase Management

In a well-designed system, the breather tube works with other components like oil separators and PCV valves, facilitating gas movement from the crankcase and contributing to engine longevity and performance.

Conclusion

The Cummins 3819475 Breather Tube is a vital component for maintaining engine efficiency and reliability in commercial trucks. Its proper installation, maintenance, and understanding of its role in the engine system are crucial for optimal vehicle performance and longevity.