4921485
Pressure Sensor
Cummins®

Introduction

The Cummins 4921485 Pressure Sensing Unit is designed to monitor and regulate pressure within various systems of commercial trucks, ensuring efficient and safe operation. By providing accurate pressure readings, it helps maintain optimal performance and prevent potential issues from pressure imbalances.

Basic Concepts of Pressure Sensing Units

A Pressure Sensing Unit measures the pressure of fluids or gases within a system, converting pressure into an electrical signal for interpretation by other components or systems. This unit is instrumental in monitoring and regulating pressure, ensuring systems operate within safe and efficient parameters.

Purpose of the 4921485 Pressure Sensing Unit

The 4921485 Pressure Sensing Unit is designed to monitor and regulate pressure in various systems of commercial trucks, including the fuel system, brake system, and hydraulic systems. Its importance lies in providing accurate pressure readings for the proper functioning of these systems.

Key Features

This Cummins part features a robust design for durability and reliability, constructed from high-quality materials to withstand harsh conditions. It includes precise pressure measurement capabilities and compatibility with modern truck systems.

Benefits

The 4921485 Pressure Sensing Unit offers improved system performance through accurate pressure monitoring, enhanced safety by preventing pressure-related issues, and increased efficiency by ensuring systems operate within optimal pressure ranges.

Installation Process

Installing this part involves parking the truck on a level surface, turning off the engine, and gathering necessary tools. Follow the manufacturer’s instructions for connecting the unit to the appropriate system, ensuring all connections are secure, and test the unit to confirm proper functioning.

Troubleshooting Common Issues

Common issues with the 4921485 Pressure Sensing Unit may include inaccurate readings or failure to communicate with the truck’s system. Troubleshooting steps involve checking connections, ensuring compatibility, and testing functionality. Consulting the manufacturer’s guidelines or seeking professional assistance may be necessary if issues persist.

Maintenance Tips

Regular maintenance of the 4921485 Pressure Sensing Unit is crucial for optimal performance and longevity. This includes checking connections for corrosion or damage, ensuring the unit is clean and free from debris, and testing its functionality at regular intervals. Following the manufacturer’s maintenance guidelines can help prevent issues and ensure effective operation.

Compatibility and Applications

The 4921485 Pressure Sensing Unit is compatible with a range of commercial truck models and applicable in various systems, including the fuel, brake, and hydraulic systems. Its versatility and compatibility make it a valuable component for maintaining the efficiency and safety of commercial trucks.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations.

Pressure Sensing Unit (Part 4921485) in Cummins Engines

The Pressure Sensing Unit, identified by part number 4921485, is integral to the operational integrity of several Cummins engines, ensuring precise monitoring and control of pressure parameters.

L10 CELECT

In the L10 CELECT engine, the Pressure Sensing Unit interfaces with the engine’s electronic control unit (ECU), providing real-time data on pressure levels. This data is crucial for the ECU to make informed decisions regarding fuel injection timing, boost pressure, and overall engine management, ensuring the engine operates efficiently and reliably under various conditions.

N14 CELECT PLUS

In the N14 CELECT PLUS engine, the Pressure Sensing Unit is vital for performance and reliability. This engine relies on the accurate pressure data provided by the sensing unit to ensure pressure systems are within specified parameters, preventing issues such as over-pressurization or under-pressurization. The integration of the Pressure Sensing Unit with the N14 CELECT PLUS ensures consistent performance and longevity.

Grouping of Engines

Both the L10 CELECT and N14 CELECT PLUS engines benefit from the Pressure Sensing Unit’s ability to provide precise pressure data. This part is designed to be compatible with the electronic systems of these engines, ensuring effective communication and maintenance of optimal operational parameters. The Pressure Sensing Unit’s role in these engines underscores its importance in the overall engine management system, highlighting its contribution to engines’ efficiency and reliability.

Role of Part 4921485 Pressure Sensing Unit in Engine Systems

The 4921485 Pressure Sensing Unit is integral to engine performance and efficiency, working in tandem with the Engine Control Module (ECM) to ensure optimal operation.

Integration with the Engine Control Module (ECM)

The Pressure Sensing Unit provides real-time data on engine pressure conditions, which the ECM uses to make precise adjustments to fuel injection, ignition timing, and other critical parameters. The ECM relies on accurate pressure readings to maintain engine performance under varying conditions, ensuring operation within designed parameters.

Enhancing Engine Performance

By continuously monitoring pressure levels, the Pressure Sensing Unit allows the ECM to detect anomalies or deviations, enabling prompt corrective measures and enhancing engine performance and reliability. The unit’s ability to provide consistent and accurate data is essential for the ECM to execute its functions effectively.

Supporting Diagnostic and Maintenance Processes

The data collected by the Pressure Sensing Unit is invaluable during diagnostic and maintenance procedures. Technicians can analyze pressure readings to identify potential issues within the engine system, preventing unexpected failures and extending engine lifespan.

Facilitating Adaptive Engine Management

In modern engine systems, adaptability is key. The Pressure Sensing Unit provides the ECM with necessary data to adapt to changing conditions, such as altitude, temperature, and load. This adaptive management ensures the engine maintains efficiency and performance across a wide range of operating conditions.

Conclusion

The 4921485 Pressure Sensing Unit is a vital component in the engine system, working closely with the ECM to enhance performance, support diagnostics, and facilitate adaptive engine management. Its role in providing accurate and timely pressure data is essential for the efficient and reliable operation of the engine. ^{1 2}