4970055
Air Crossover Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,999.95 $2,379.94

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 Crossover Connection 4970055, manufactured by Cummins, is a critical component in the air brake systems of heavy-duty trucks. This part ensures the balanced distribution of air pressure across different brake circuits, enhancing the reliability and safety of the braking system. Cummins, a renowned name in the commercial truck industry, ensures that this component meets the stringent demands of heavy-duty applications.

Basic Concepts of Air Crossover Connections

An air crossover connection is a vital component within the air brake system, facilitating the transfer of air pressure between different brake circuits. This ensures a consistent air pressure level across all circuits, which is essential for the effective operation of the braking system. By maintaining even air pressure distribution, the crossover connection prevents issues such as uneven braking force, thereby enhancing braking efficiency and safety 1.

Purpose of the 4970055 Air Crossover Connection

The 4970055 Air Crossover Connection is designed to maintain air pressure balance between different brake circuits in a truck. This balance is essential for the consistent performance of the braking system. Even air pressure distribution ensures that each brake circuit operates under similar conditions, leading to more predictable and reliable braking performance 2.

Key Features

The 4970055 Air Crossover Connection is constructed from high-quality materials to withstand the harsh conditions typical of heavy-duty truck environments. Its design allows for efficient air pressure transfer and includes features that facilitate easy installation and maintenance. Additionally, the connection is engineered to be compatible with a wide range of truck models, ensuring versatility across different applications.

Benefits

The 4970055 Air Crossover Connection offers several advantages. It enhances brake system reliability by ensuring consistent air pressure distribution across all brake circuits. This balanced pressure provides more uniform braking force, enhancing safety. Furthermore, the connection’s design and materials contribute to its durability, reducing the likelihood of failures and the need for frequent replacements, leading to cost savings and increased uptime for truck operators.

Installation Considerations

Proper installation of the 4970055 Air Crossover Connection is crucial for its correct function. Before installation, ensure that the surrounding components are clean and free from debris. Basic hand tools are necessary for securing the connection in place. Following the manufacturer’s guidelines for installation will help ensure that the connection is fitted correctly and operates as intended.

Troubleshooting Common Issues

Common issues with air crossover connections can include leaks, blockages, or failures in maintaining air pressure balance. Diagnosing these issues often involves checking for signs of air leaks, inspecting the connection for damage, and ensuring that it is correctly installed. Solutions may range from simple repairs, such as tightening connections or cleaning components, to replacing the crossover connection if it is found to be faulty.

Maintenance Tips

Routine maintenance of the 4970055 Air Crossover Connection is important for ensuring its longevity and optimal performance. This includes regular inspections for signs of wear or damage, cleaning the connection to remove any buildup that could impede its function, and ensuring that all connections are secure. Adhering to recommended inspection intervals will help identify potential issues before they lead to more significant problems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to innovation and customer satisfaction has solidified its position as a trusted name in the industry.

Role of Part 4970055 Air Crossover Connection in Engine Systems

The 4970055 Air Crossover Connection is an essential component in the air management system of various engine setups. Its primary function is to facilitate the efficient transfer of air between different sections of the engine, ensuring optimal performance and reliability.

Integration with Aftercooler

In systems equipped with an aftercooler, the 4970055 Air Crossover Connection plays a significant role. The aftercooler is designed to reduce the temperature of the compressed air from the turbocharger before it enters the engine’s intake manifold. The Air Crossover Connection ensures that the cooled air is evenly distributed across the engine cylinders. This even distribution is vital for maintaining consistent combustion efficiency and reducing the risk of overheating in specific cylinders.

The connection is typically positioned between the aftercooler and the intake manifold. It allows for the smooth transition of air, minimizing pressure drops and ensuring that the air reaches the cylinders at the correct temperature and pressure. This setup enhances the overall efficiency of the aftercooling process and contributes to the engine’s power output and fuel economy.

Enhancing Airflow Management

Beyond its role with the aftercooler, the 4970055 Air Crossover Connection is integral to the broader airflow management within the engine system. It helps in balancing the air distribution, which is particularly important in engines with multiple turbochargers or complex air induction systems.

By providing a reliable pathway for air to travel from the aftercooler to the intake manifold, this component ensures that all parts of the engine receive the necessary airflow for efficient operation. This balanced airflow is essential for preventing issues such as cylinder imbalance, which can lead to decreased performance and increased wear on engine components.

Supporting Turbocharger Efficiency

In turbocharged engines, the Air Crossover Connection also supports the efficiency of the turbochargers. By ensuring that the air entering the engine is at the optimal temperature and pressure, it allows the turbochargers to operate more effectively. This results in better throttle response, increased power, and improved overall engine performance.

The connection’s design also helps in reducing turbulence and pressure losses within the air induction system. This means that the turbochargers can compress the air more efficiently, leading to better charge air delivery to the engine cylinders.

Conclusion

The 4970055 Air Crossover Connection is a key component in the air management system of modern engines. Its role in facilitating the efficient transfer of air, particularly in conjunction with aftercoolers, is essential for maintaining engine performance, reliability, and efficiency.


  1. Martyr, A.J. Engine Testing: Theory and Practice: Third Edition. SAE International, 2007.

  2. Miedema, S. A., Lu, Z. The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema, 2010.

SPECIFICATIONS

Package Dimensions
37.8 x 20.0 x 25.2 in
Weight
1.941 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.