3926732
Air Fuel Control Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$124.95 $148.69

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

The Air Fuel Control Tube (Part #3926732) by Cummins is a component designed to regulate the air-fuel mixture in diesel engines. This part is integral to the operation of commercial trucks, ensuring that the engine runs efficiently and effectively. By maintaining the correct air-fuel ratio, the Air Fuel Control Tube contributes to the overall performance and longevity of the engine 1.

Basic Concepts of Air Fuel Control Tubes

Air fuel control tubes operate on the principle of regulating the mixture of air and fuel that enters the engine’s combustion chamber. In diesel engines, precise control of this mixture is vital for optimal performance. The Air Fuel Control Tube helps achieve this by ensuring that the correct amount of air is mixed with the fuel before combustion. This regulation is crucial for maximizing engine efficiency, reducing emissions, and enhancing overall engine performance 2.

Purpose and Function

The primary role of the Air Fuel Control Tube in a truck’s engine is to maintain the ideal air-fuel ratio. This balance is necessary for efficient combustion, which directly impacts engine performance and fuel efficiency. By ensuring that the engine receives the correct mixture, the Air Fuel Control Tube helps to optimize power output, reduce fuel consumption, and minimize emissions. Additionally, it plays a part in protecting the engine from potential damage caused by incorrect air-fuel ratios 3.

Key Features

The 3926732 Air Fuel Control Tube is designed with several features that enhance its performance. It is constructed from durable materials to withstand the high temperatures and pressures within the engine. The tube’s design allows for precise control of the air-fuel mixture, ensuring consistent engine performance. Additionally, it is engineered to be compatible with various Cummins engine models, providing versatility and ease of use.

Benefits

The 3926732 Air Fuel Control Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that the engine operates with the optimal air-fuel ratio. This not only saves on fuel costs but also reduces the environmental impact of the vehicle. Enhanced engine performance is another benefit, as the correct air-fuel mixture allows the engine to run more smoothly and powerfully. Reliability is also increased, as the tube helps prevent issues related to incorrect fuel mixture, such as engine knocking or misfires.

Installation and Compatibility

Proper installation of the Air Fuel Control Tube is important for ensuring its effectiveness. It should be installed according to the manufacturer’s guidelines to ensure it functions correctly within the engine system. The tube is designed to be compatible with a range of Cummins engine models, making it a versatile component for various commercial truck applications.

Maintenance and Troubleshooting

Routine maintenance of the Air Fuel Control Tube is important for its longevity and performance. Regular inspections should be conducted to check for any signs of wear or damage. Cleaning the tube as part of routine engine maintenance can help prevent buildup that might affect its function. Troubleshooting common issues, such as inconsistent engine performance or increased fuel consumption, may involve checking the Air Fuel Control Tube for proper operation and making adjustments as necessary.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines, known for its high-quality products and innovative technologies. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry. The company offers a wide range of engine solutions designed to meet the demanding requirements of commercial transportation, emphasizing reliability, performance, and efficiency.

Cummins Air Fuel Control Tube Part 3926732

The Air Fuel Control Tube part number 3926732, manufactured by Cummins, is a critical component in the engine’s air management system. This part is designed to ensure efficient and precise control of the air-fuel mixture, which is essential for optimal engine performance and emissions control.

Compatibility with Cummins Engines

  • 6C8.3 Engine Series

The Air Fuel Control Tube part 3926732 is specifically engineered to fit seamlessly within the 6C8.3 engine series. This engine series is known for its robust design and reliability, often used in heavy-duty applications where performance and durability are paramount. The part’s integration into the 6C8.3 engine ensures that the air-fuel mixture is accurately regulated, contributing to the engine’s overall efficiency and longevity.

Importance in Engine Operation

The Air Fuel Control Tube plays a pivotal role in the engine’s operation by managing the air flow to the combustion chamber. This precise control is vital for maintaining the correct air-fuel ratio, which directly impacts the engine’s power output, fuel efficiency, and emissions levels. By ensuring that the air-fuel mixture is optimal, the part helps in reducing the engine’s environmental footprint while enhancing its operational efficiency.

Installation and Maintenance

Proper installation of the Air Fuel Control Tube is crucial for maintaining the engine’s performance. Technicians should follow the manufacturer’s guidelines to ensure that the part is correctly positioned and securely fastened. Regular maintenance checks are also recommended to verify that the tube remains free from obstructions and damage, which could otherwise compromise its functionality.

Reliability and Performance

Cummins is renowned for its high-quality engine components, and the Air Fuel Control Tube part 3926732 is no exception. Designed to withstand the rigors of demanding applications, this part is built to last, providing reliable performance over an extended period. Its robust construction ensures that it can endure the high pressures and temperatures typical of engine environments, further contributing to the engine’s overall durability and efficiency.

Role of Part 3926732 Air Fuel Control Tube in Engine Systems

The part 3926732 Air Fuel Control Tube is an integral component in the orchestration of air and fuel delivery within engine systems. It facilitates the precise regulation and distribution of air-fuel mixtures, which is essential for optimal engine performance and efficiency.

Integration with Plumbing Systems

In the context of engine plumbing, the Air Fuel Control Tube works in conjunction with various hoses, pipes, and connectors. It ensures that the air-fuel mixture is delivered to the combustion chambers with the correct pressure and flow rate. This integration is vital for maintaining the engine’s operational stability and responsiveness.

Function within Air Fuel Control Mechanisms

The Air Fuel Control Tube is a key player in the air fuel control system. It interfaces with sensors, actuators, and control units to monitor and adjust the air-fuel ratio in real-time. This dynamic adjustment is necessary to accommodate varying engine loads, speeds, and environmental conditions, thereby enhancing fuel economy and reducing emissions.

Collaborative Role with Other Components

This tube also collaborates with other critical components such as the fuel injectors, throttle body, and intake manifold. By providing a consistent and regulated air-fuel mixture, it allows these components to operate efficiently. The tube’s role is particularly significant in turbocharged and supercharged engines, where precise air-fuel control is paramount to prevent knocking and ensure smooth power delivery.

Impact on Engine Performance

The effective functioning of the Air Fuel Control Tube directly influences engine performance metrics such as power output, fuel efficiency, and emissions. By ensuring that the air-fuel mixture is optimal, it helps in achieving a balance between performance and environmental compliance.

Conclusion

In summary, the 3926732 Air Fuel Control Tube is a fundamental component that enhances the functionality and efficiency of engine systems through its precise regulation of air-fuel mixtures. Its role in maintaining the correct air-fuel ratio is crucial for optimal engine performance, fuel efficiency, and emissions control.


  1. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

  2. Pacejka, H. B. (2006). Tyre and Vehicle Dynamics. Butterworth-Heinemann.

  3. Happian-Smith, J. (2002). An Introduction to Modern Vehicle Design. Butterworth-Heinemann.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
14.0 x 10.5 x 6.375 in
Weight
0.37 lb
* 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.