5291040
Air Shutdown Device
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$23,499.95 $27,964.94

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 Cummins 5291040 Air Shutdown Device is a component designed to enhance the operational efficiency and safety of commercial trucks. This device is integral to the truck’s engine system, ensuring that the engine operates within safe parameters and shuts down under specific conditions to prevent damage or unsafe operation.

Basic Concepts of Air Shutdown Devices

An Air Shutdown Device is a safety mechanism that monitors various parameters within a truck’s engine system. It operates by using air pressure to control the engine’s shutdown process. When certain thresholds are exceeded, such as low oil pressure or excessive engine temperature, the device activates, cutting off the air supply to the engine, which results in an immediate shutdown. This mechanism is based on the principle of using air pressure as a control medium to ensure the engine does not operate under conditions that could lead to severe damage 1.

Purpose of the 5291040 Air Shutdown Device

The Cummins 5291040 Air Shutdown Device plays a role in the operation of a truck by managing engine safety protocols. It ensures that the engine shuts down automatically when it detects conditions that could be harmful, such as low oil pressure or overheating. This function is vital for protecting the engine from damage and ensuring the safety of the vehicle and its occupants 2.

Key Features

This Cummins part is characterized by several key features. Its design incorporates durable materials that can withstand the harsh conditions of commercial truck operations. The device integrates advanced technology to accurately monitor engine parameters and trigger the shutdown process when necessary. Additionally, it is engineered to be compatible with a variety of truck models, ensuring broad applicability across different fleets.

Benefits

The advantages provided by the 5291040 Air Shutdown Device include enhanced engine performance through proactive safety measures. By preventing the engine from operating under unsafe conditions, it contributes to the longevity of the engine. Furthermore, it improves operational efficiencies by reducing the risk of engine failure, which can lead to costly repairs and downtime. Safety is also significantly enhanced, as the device helps prevent accidents caused by engine malfunctions.

Installation Process

Installing the 5291040 Air Shutdown Device involves several steps. First, ensure that the truck’s engine is turned off and cooled down. Gather the necessary tools, including wrenches and screwdrivers. Locate the appropriate mounting points on the engine and secure the device in place. Connect the air lines to the device, ensuring all connections are tight and secure. Finally, test the device to confirm it is functioning correctly.

Troubleshooting Common Issues

Common problems associated with the 5291040 Air Shutdown Device may include failure to activate during unsafe conditions or erroneous shutdowns. To address these issues, first, check all connections to ensure they are secure and not leaking air. Verify that the device is correctly mounted and that there are no obstructions. If the problem persists, consult the device’s manual for further troubleshooting steps or contact a professional for assistance.

Maintenance Tips

To ensure the longevity and optimal performance of the 5291040 Air Shutdown Device, regular maintenance is recommended. This includes checking all connections for leaks, ensuring the device is securely mounted, and verifying that it activates correctly during testing. Additionally, keep the device clean and free from debris that could interfere with its operation.

Safety Considerations

When working with the 5291040 Air Shutdown Device, it is important to observe several safety guidelines. Always ensure the engine is turned off and cooled down before beginning any work. Use the appropriate tools and follow the manufacturer’s instructions to avoid damage to the device or injury to yourself. Additionally, be aware of the high-pressure air lines and take care to avoid contact with moving parts during installation or maintenance.

Cummins Corporation

Cummins Corporation is a leading manufacturer in the commercial truck industry, known for its high-quality engines and components. With a history spanning over a century, Cummins has established a reputation for innovation, reliability, and excellence. The company offers a wide range of products designed to meet the diverse needs of the commercial trucking sector, including engines, powertrain components, and aftermarket parts.

Cummins Air Shutdown Device Part 5291040 Compatibility

The Cummins Air Shutdown Device part 5291040 is a component designed to ensure the safe and efficient operation of various Cummins engines. This part is integral to the engine’s air management system, providing a reliable means to shut down the engine’s air supply in emergency situations or when maintenance is required.

QSB6.7 CM2250 Engines

The Air Shutdown Device part 5291040 is specifically engineered to fit seamlessly with the QSB6.7 CM2250 engines. This engine model is known for its robust performance and reliability, making it a popular choice in various industrial and commercial applications. The integration of the Air Shutdown Device ensures that the QSB6.7 CM2250 can be safely and effectively managed, enhancing its operational safety and longevity.

Grouping of Engines

While the primary focus here is on the QSB6.7 CM2250, it is important to note that the Air Shutdown Device part 5291040 is designed to be compatible with a range of Cummins engines. This compatibility extends to other models within the Cummins engine family, ensuring that the device can be utilized across various engine types. The design and functionality of the Air Shutdown Device are standardized to provide a consistent and reliable performance across different engine models, making it a versatile component in Cummins’ engine lineup.

Role of Part 5291040 Air Shutdown Device in Engine Systems

The Air Shutdown Device (ASD) part 5291040 is integral to the operation and safety of engine systems. It works in conjunction with several key components to ensure efficient and safe engine performance.

Integration with Fuel Injection System

The ASD part 5291040 interfaces with the fuel injection system to manage the air-fuel mixture. By controlling the airflow, it helps maintain optimal combustion conditions, which is essential for efficient fuel consumption and reduced emissions.

Coordination with Turbocharger

In turbocharged engines, the ASD part 5291040 plays a significant role. It regulates the intake air pressure, ensuring that the turbocharger operates within safe parameters. This coordination prevents over-boosting, which can lead to engine damage.

Interaction with Engine Control Unit (ECU)

The ASD part 5291040 communicates with the ECU to provide real-time data on air intake levels. This information allows the ECU to make precise adjustments to the fuel injection and ignition timing, enhancing overall engine performance and efficiency.

Support for Emission Control Systems

By precisely controlling the airflow, the ASD part 5291040 assists emission control systems, such as the catalytic converter and exhaust gas recirculation (EGR) system, in operating more effectively. This results in lower emissions and compliance with environmental regulations.

Enhancement of Engine Safety

The ASD part 5291040 is designed to shut off the air supply in case of an emergency, such as engine overheating or a critical malfunction. This safety feature protects the engine from severe damage and ensures the safety of the vehicle’s occupants.

Contribution to Engine Longevity

By maintaining optimal airflow and combustion conditions, the ASD part 5291040 contributes to the longevity of the engine. It reduces the wear and tear on engine components, leading to a longer service life and lower maintenance costs.

Conclusion

In summary, the ASD part 5291040 is a vital component that enhances the performance, efficiency, and safety of engine systems through its interactions with various other components.


  1. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  2. Goodnight, Nicholas, and Kirk Van Gelder. Automotive Braking Systems. Jones & Bartlett Learning, 2018.

* 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.