5473007RX
Air Compressor Kit
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

Ships within 1 business day

$2,049.95 $2,439.44
Refundable Core Charge: $459.95

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 To Air Compressor Kits

An air compressor kit is a vital component in the operation of commercial trucks, providing the necessary air pressure for various systems such as braking, suspension, and auxiliary power units 1. Understanding the role and functionality of an air compressor kit is essential for engineers, mechanics, and fleet operators to ensure optimal performance and longevity of their vehicles.

The Cummins 5473007RX: An Overview

This Cummins part is designed to deliver reliable and efficient air compression for commercial trucks. It is engineered to meet the demanding requirements of heavy-duty applications, ensuring that the vehicle’s air systems operate smoothly and effectively. The kit includes a high-performance compressor, an air dryer to remove moisture from the compressed air, and an unloader valve to manage the compressor’s load and protect it from overloading 2.

How The Cummins 5473007RX Works

The Air Compressor Kit operates by drawing in ambient air and compressing it to a higher pressure. This compressed air is then stored in an air tank, ready to be used by the vehicle’s systems when needed. The compressor kit includes components such as the compressor, air dryer, and unloader valve, all working in harmony to maintain the required air pressure. The compressor is driven by the engine, using a belt or gear drive, to compress the air. The air dryer removes moisture to prevent corrosion and ensure the air quality is suitable for the braking and suspension systems. The unloader valve helps to manage the compressor’s load, ensuring it operates efficiently and prolonging its lifespan 3.

Purpose And Role In Truck Operations

This part plays a crucial role in the operation of commercial trucks. It ensures that the braking system functions correctly, providing the necessary air pressure for the brakes to engage and disengage. Additionally, the compressor kit supports the suspension system, maintaining the vehicle’s stability and ride quality. Furthermore, it powers auxiliary systems such as air horns, power windows, and climate control, enhancing the overall functionality of the truck. Reliable air pressure is critical for safety, performance, and the comfort of the vehicle’s occupants.

Troubleshooting And Maintenance

Proper maintenance of the Cummins 5473007RX is essential to prevent issues and ensure reliable operation. Regular checks should be performed on the compressor, air dryer, and unloader valve for any signs of wear or damage. Lubrication of moving parts is also critical to reduce friction and extend the lifespan of the components. If any issues are detected, it is important to address them promptly to avoid potential breakdowns or safety hazards. Routine maintenance includes checking for leaks, ensuring the air dryer is functioning correctly, and verifying that the unloader valve is operating as intended.

Components of Cummins 5473007RX Air Compressor Kit

Air Compressor

The air compressor is the core component of the kit, responsible for generating compressed air. It operates by drawing in ambient air and compressing it to a higher pressure, which is then stored in the air tank.

Air Dryer

The air dryer removes moisture and contaminants from the compressed air. This is crucial for maintaining the efficiency and longevity of the air system, as well as ensuring the quality of the air used in various applications.

Air Tank

The air tank stores the compressed air generated by the compressor. It acts as a reservoir, providing a steady supply of pressurized air to the system even when the compressor is not actively running.

Unloader Valve

The unloader valve is essential for managing the pressure within the air compressor. It allows the compressor to start up without the resistance of compressed air, making the startup process more efficient and less strenuous on the motor.

Pressure Switch

The pressure switch monitors the air pressure within the system. When the pressure reaches a predetermined level, it signals the compressor to turn off. Conversely, when the pressure drops below a certain threshold, it activates the compressor to start up again, maintaining consistent pressure levels.

Check Valve

The check valve ensures that the compressed air flows in only one direction, preventing backflow that could reduce system efficiency or cause damage to components.

Hoses and Fittings

The hoses and fittings are critical for connecting all components within the air compressor system. They facilitate the transfer of compressed air from the compressor to the air tank, and from the tank to various points of use within the system.

Gauge

The gauge provides a visual indication of the air pressure within the system. It allows operators to monitor pressure levels in real-time, ensuring that the system operates within safe and efficient parameters.

Safety Valve

The safety valve is a critical safety component that releases excess pressure if it builds up beyond safe levels. This prevents potential damage to the system and ensures the safety of operators.

Mounting Bracket

The mounting bracket is used to secure the air compressor and other components to a stable surface. This not only ensures the stability of the system but also facilitates easier maintenance and access to components.

Electrical Components

Electrical components, including wires, connectors, and possibly a motor, are essential for powering the air compressor and other electrically-operated parts of the system. They ensure that the compressor can start, run, and stop as needed based on the pressure switch signals.

Cummins: A Leader In Truck Parts

Cummins is a renowned manufacturer of heavy-duty truck parts, known for its commitment to quality and innovation. This Cummins part is a testament to the company’s expertise in designing and producing reliable components for commercial trucks. Cummins’ extensive experience in the industry and its dedication to customer satisfaction make it a trusted choice for engineers, mechanics, and fleet operators. The brand’s reputation for durability and performance ensures that the 5473007RX meets the high standards required for heavy-duty applications.

Conclusion

The Cummins 5473007RX Air Compressor Kit is an essential component for the efficient operation of commercial trucks. Understanding its functionality, purpose, and maintenance requirements is crucial for ensuring the reliability and performance of the vehicle’s air systems. By investing in high-quality components like the Cummins 5473007RX Air Compressor Kit, engineers, mechanics, and fleet operators can enhance the safety and efficiency of their fleets. Regular maintenance and prompt troubleshooting are key to maximizing the lifespan and performance of this critical component.


  1. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

  2. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  3. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

RELATED PARTS

SPECIFICATIONS

Package Dimensions
15.4 x 15.5 x 17.2 in
Weight
42.1 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.