3935612
Air Fuel Control Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$41.95 $49.92

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 3935612 Air Fuel Control Tube is a component designed for use in commercial trucks, specifically within the engine’s air and fuel management system. Its role is to facilitate the precise regulation of the air-fuel mixture, which is vital for the efficient operation of diesel engines. This component is integral to maintaining optimal engine performance, ensuring that the engine operates smoothly and efficiently under various driving conditions 1.

Basic Concepts of Air Fuel Control Tubes

Air fuel control tubes are designed to regulate the mixture of air and fuel that enters the combustion chamber of a diesel engine. By controlling this mixture, these tubes help to optimize the combustion process, ensuring that the engine operates efficiently and produces minimal emissions. The precise regulation of the air-fuel ratio is critical for achieving the desired balance between power output, fuel efficiency, and emissions control 2.

Purpose and Function

The Cummins 3935612 Air Fuel Control Tube serves a specific purpose within the engine’s air and fuel management system. It is responsible for delivering the correct amount of air and fuel to the combustion chamber, ensuring that the engine operates efficiently and produces the desired power output. By maintaining the optimal air-fuel ratio, this component contributes to efficient combustion, reduced emissions, and overall engine performance.

Key Features

The Cummins 3935612 Air Fuel Control Tube is designed with several key features that enhance its performance and durability. These include a robust construction that can withstand the high pressures and temperatures within the engine, as well as a precise design that ensures accurate regulation of the air-fuel mixture. Additionally, the tube is made from high-quality materials that are resistant to corrosion and wear, ensuring long-lasting performance.

Benefits

Using the Cummins 3935612 Air Fuel Control Tube offers several benefits. These include improved fuel efficiency, as the precise regulation of the air-fuel mixture allows the engine to operate more efficiently. Additionally, the component contributes to reduced emissions, as optimal combustion results in fewer pollutants being released into the environment. Furthermore, the durable construction of the tube enhances engine reliability, ensuring consistent performance over time.

Installation and Compatibility

Proper installation of the Cummins 3935612 Air Fuel Control Tube is crucial for ensuring optimal performance and compatibility with the engine. It is important to follow the manufacturer’s guidelines for installation, which may include specific torque settings and alignment procedures. Compatibility with different truck models and engine types should also be considered, ensuring that the component is suitable for the specific application.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 3935612 Air Fuel Control Tube is important for ensuring long-lasting performance and preventing issues. This may include regular inspection for signs of wear or damage, as well as cleaning or replacing the component as needed. Troubleshooting common issues, such as leaks or blockages, can help to identify and resolve problems before they lead to more significant engine issues.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines and related technologies, with a reputation for innovation and quality in the automotive industry. The company has a long history of developing reliable and efficient components for commercial vehicles, including trucks and buses. Cummins is committed to advancing technology and improving the performance and efficiency of diesel engines, making it a trusted name in the industry.

Cummins Air Fuel Control Tube 3935612 Compatibility

The Cummins Air Fuel Control Tube, part number 3935612, is a critical component in the air management system of various Cummins engines. This part is designed to ensure efficient air flow and proper mixing with fuel, which is essential for optimal engine performance and emissions control.

Engine Compatibility

The Air Fuel Control Tube 3935612 is compatible with the following Cummins engines:

  • 6C8.3

This part is engineered to fit seamlessly within the engine’s air management system, ensuring that air is directed correctly to the combustion chamber. The design of the tube is critical in maintaining the air-to-fuel ratio, which is vital for the engine’s efficiency and emissions compliance.

Installation and Function

When installed in the 6C8.3 engine, the Air Fuel Control Tube 3935612 plays a pivotal role in the engine’s operation. It connects various components of the air intake system, ensuring that the air is properly filtered and directed. This tube is typically made from durable materials that can withstand the high temperatures and pressures within the engine.

Importance of Proper Installation

Proper installation of the Air Fuel Control Tube 3935612 is crucial. Any misalignment or damage to the tube can lead to inefficiencies in the air-fuel mixture, potentially causing performance issues and increased emissions. Technicians should ensure that the tube is securely fastened and free from obstructions or leaks to maintain the engine’s optimal performance.

Maintenance Considerations

Regular inspection of the Air Fuel Control Tube 3935612 is recommended to ensure it remains in good condition. Over time, the tube can become worn or damaged due to the harsh operating environment of the engine. Any signs of wear, such as cracks or holes, should be addressed promptly to prevent performance degradation and potential engine damage.

Role of Part 3935612 Air Fuel Control Tube in Engine Systems

The Air Fuel Control Tube, identified by part number 3935612, is an essential component in the orchestration of various engine systems. Its primary function is to regulate the air-fuel mixture, ensuring optimal combustion efficiency and performance.

Integration with Plumbing Systems

In the context of engine plumbing, the Air Fuel Control Tube works in conjunction with the air and fuel lines. It facilitates the precise delivery of the air-fuel mixture to the combustion chambers. This integration is vital for maintaining the correct air-fuel ratio, which is fundamental for engine efficiency and emissions control.

Collaboration with Air Fuel Control Mechanisms

The Air Fuel Control Tube is a key player in the air fuel control system. It interfaces directly with sensors and control units that monitor and adjust the air-fuel mixture in real-time. This dynamic adjustment is essential for adapting to varying engine loads and operating conditions, ensuring consistent performance and fuel economy.

Turbocharger Systems

In turbocharged engines, the Air Fuel Control Tube plays a significant role. It is part of the turbocharger plumbing, where it helps manage the increased air flow that turbochargers provide. This management is crucial for preventing over-fueling or under-fueling scenarios, which can lead to inefficient combustion or even engine damage.

Turbocharger Plumbing

The tube’s role extends into the realm of turbocharger plumbing. Here, it ensures that the pressurized air from the turbocharger is mixed with the appropriate amount of fuel. This balance is essential for maximizing the power output of the turbocharger without compromising engine health.

Conclusion

The Cummins 3935612 Air Fuel Control Tube is a pivotal component in the efficient operation of diesel engines. Its role in regulating the air-fuel mixture is integral to the performance of plumbing, air fuel control, and turbocharger systems. Proper installation, maintenance, and understanding of its function are essential for maximizing engine efficiency, reliability, and emissions control.


  1. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

  2. Wright, Gus. Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning, 2015.

SPECIFICATIONS

Comments
Case only, go directly to
Package Dimensions
20.0 x 3.0 x 3.0 in
Weight
0.92 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.