3967478
Air Transfer Pipe
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$114.95 $136.79

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 3967478 Air Transfer Pipe is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is integral to the air system of commercial trucks, facilitating the efficient transfer of compressed air to various components that rely on air pressure for operation.

Function and Operation

This Cummins part operates within the truck’s air system by directing compressed air from the compressor to different parts of the vehicle that require air pressure. This includes the braking system, suspension, and other air-dependent functions. The pipe ensures that air is distributed evenly and efficiently, maintaining the optimal performance of these systems 1.

Purpose of the Air Transfer Pipe

The Air Transfer Pipe plays a specific role in the operation of a truck by contributing to the functionality of the braking system, suspension, and other air-dependent components. It ensures that these systems receive a consistent supply of compressed air, which is vital for their operation. This consistent air supply helps in maintaining the safety and efficiency of the truck’s operations 2.

Key Features

This part is notable for its material composition, which is designed to withstand the pressures and conditions within a truck’s air system. Its design elements include robust connections and a layout that minimizes the risk of leaks or blockages. These features enhance the pipe’s performance and durability, making it a reliable component in the truck’s air system 3.

Benefits

The Air Transfer Pipe offers several advantages, including improved air flow efficiency, which ensures that air-dependent systems receive the necessary pressure without delays. It also reduces the risk of leaks, which can compromise the efficiency and safety of the truck’s operations. Additionally, the pipe enhances the overall reliability of the air system, contributing to the truck’s performance and longevity 4.

Installation Considerations

Proper installation of the Air Transfer Pipe is crucial for its effective operation. This involves ensuring that all connections are secure and that the pipe is correctly positioned within the truck’s air system. Tools required for installation may include wrenches and sealants to ensure a tight fit. Following manufacturer guidelines during installation will help ensure the pipe functions as intended 5.

Troubleshooting Common Issues

Frequent problems associated with Air Transfer Pipes include leaks or blockages. These issues can often be diagnosed through visual inspection or by monitoring the performance of air-dependent systems. Resolving these issues may involve tightening connections, cleaning blockages, or replacing damaged sections of the pipe to restore efficient air flow 6.

Maintenance Tips

Routine maintenance practices can prolong the lifespan of the Air Transfer Pipe. This includes regular inspection for signs of wear or damage, cleaning to remove any debris that may obstruct air flow, and replacing the pipe when it shows significant signs of degradation. Adhering to a maintenance schedule will help ensure the continued reliability of the truck’s air system 7.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products that include engines, filtration systems, and components like the Air Transfer Pipe. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and efficient parts that contribute to the performance and safety of commercial vehicles 8.

Cummins Engine Compatibility with Air Transfer Pipe Part 3967478

The Air Transfer Pipe part number 3967478, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This part is integral to the engine’s air intake system, ensuring optimal airflow and efficiency. Below is a detailed overview of the engines with which this part is compatible.

ISB CM2150 and ISL9 CM2150 SN

The Air Transfer Pipe part 3967478 is compatible with both the ISB CM2150 and ISL9 CM2150 SN engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The part fits into the air intake system of these engines, facilitating the transfer of air from the turbocharger to the intake manifold, thereby enhancing engine efficiency and performance.

ISB6.7 CM2250 and ISB6.7 CM2350 B101

Similarly, the Air Transfer Pipe part 3967478 is also compatible with the ISB6.7 CM2250 and ISB6.7 CM2350 B101 engines. These engines are part of the Cummins ISB6.7 series, which is renowned for its power and durability. The part ensures that the air intake system functions smoothly, contributing to the overall efficiency and power output of these engines.

By ensuring a proper fit with these engines, the Air Transfer Pipe part 3967478 plays a crucial role in maintaining the performance and reliability of Cummins engines across various applications.

Role of Part 3967478 Air Transfer Pipe in Engine Systems

Part 3967478, the Air Transfer Pipe, is an essential component in the orchestration of various engine systems. Its primary function is to facilitate the smooth and efficient transfer of air between different parts of the engine, ensuring optimal performance and efficiency.

Air Transfer

The Air Transfer Pipe plays a significant role in the air transfer process. It connects to the intake system, allowing air to flow from the air filter to the engine’s combustion chambers. This uninterrupted airflow is vital for the engine’s ability to draw in the necessary oxygen required for combustion. The efficiency of this transfer directly impacts the engine’s power output and fuel efficiency.

Manifold Connection

In conjunction with the manifold, the Air Transfer Pipe ensures that the air is evenly distributed to all cylinders. This even distribution is key to maintaining balanced combustion across the engine, which in turn helps in reducing emissions and enhancing overall engine performance. The pipe’s design and material are chosen to withstand the high temperatures and pressures within the engine compartment, ensuring durability and reliability.

Exhaust System Integration

The Air Transfer Pipe also interacts with the exhaust system, particularly in engines equipped with technologies like Exhaust Gas Recirculation (EGR). In such systems, the pipe may route a portion of the exhaust gases back into the intake stream. This process helps in reducing nitrogen oxides (NOx) emissions, a common pollutant in engine exhaust. The precise routing and sealing provided by the Air Transfer Pipe are essential for the effectiveness of EGR systems.

Comprehensive Engine Performance

Overall, the Air Transfer Pipe is a linchpin in the engine’s air management system. Its role in connecting various components—from the air intake to the manifold and exhaust—ensures that the engine operates within its designed parameters. This component’s functionality is integral to the engine’s ability to deliver power efficiently while adhering to environmental regulations.

Conclusion

The 3967478 Air Transfer Pipe is a critical component in the air management system of Cummins engines, ensuring efficient air transfer and contributing to the overall performance and reliability of the engine. Proper installation, maintenance, and understanding of its role in the engine system are essential for maximizing its benefits and ensuring the longevity of the engine.


  1. Modern Diesel Technology Heavy Equipment Systems, Robert Huzij, Angelo Spano, Sean Bennett, Delmar Cengage Learning, 2014

  2. SAE International’s Dictionary for Automotive Engineers, John F Kershaw, SAE International, 2023

  3. Internal Combustion Engine Fundamentals, John Heywood, McGraw-Hill Education, 2019

  4. Automotive Maintenance: Light Repair, Rob Thompson, Cengage Learning, 2019

  5. Marine QSB6.7 CM2250, Bulletin Number 4310612, Operation and Maintenance Manual

  6. Modern Diesel Technology Heavy Equipment Systems, Robert Huzij, Angelo Spano, Sean Bennett, Delmar Cengage Learning, 2014

  7. Automotive Maintenance: Light Repair, Rob Thompson, Cengage Learning, 2019

  8. SAE International’s Dictionary for Automotive Engineers, John F Kershaw, SAE International, 2023

SPECIFICATIONS

Package Dimensions
7.8 x 7.8 x 4.63 in
Weight
1.5 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.