4984974
Pressure Temperature Sensor
Cummins®

Introduction

The Cummins 4984974 Pressure Temperature Sensor is a specialized component designed for use in commercial trucks. Its purpose is to monitor and report the pressure and temperature conditions within the engine system. This sensor plays a role in ensuring the engine operates under optimal conditions, contributing to the overall efficiency and reliability of the vehicle.

Basic Concepts of Pressure Temperature Sensors

A pressure temperature sensor is a device that measures both the pressure and temperature of a fluid or gas within a system. It operates by converting physical parameters into electrical signals, which are then interpreted by the vehicle’s electronic control unit (ECU). This sensor is integral to maintaining optimal conditions within a truck’s engine system, as it provides real-time data that allows the ECU to make adjustments to fuel injection, air intake, and other functions ¹.

Purpose of the Cummins 4984974 Pressure Temperature Sensor

The Cummins 4984974 Pressure Temperature Sensor is specifically designed to monitor the pressure and temperature levels within a truck’s engine. By providing accurate and timely data, it enables the ECU to optimize engine performance, ensuring efficient fuel combustion and reducing the risk of engine damage due to overheating or incorrect pressure levels.

Key Features

The Cummins 4984974 Pressure Temperature Sensor is characterized by its robust design and construction, utilizing high-quality materials to ensure durability and reliability. Its unique features include precision engineering for accurate readings, compatibility with Cummins engines, and a design that resists corrosion and other environmental factors, enhancing its performance and longevity.

Benefits

Utilizing the Cummins 4984974 Pressure Temperature Sensor offers several advantages. It contributes to improved engine performance by ensuring optimal operating conditions. Additionally, it enhances fuel efficiency by allowing the ECU to make precise adjustments based on real-time data. The sensor also increases the reliability and durability of the engine system, reducing the likelihood of unexpected failures and extending the overall lifespan of the vehicle.

Installation and Integration

Proper installation and integration of the Cummins 4984974 Pressure Temperature Sensor into a truck’s engine system are crucial for optimal performance. This process involves connecting the sensor to the appropriate ports within the engine, ensuring secure and correct placement. It is also important to verify that the sensor is compatible with the vehicle’s ECU to ensure accurate data transmission and interpretation.

Troubleshooting and Maintenance

To ensure the continued reliable operation of the Cummins 4984974 Pressure Temperature Sensor, regular maintenance and troubleshooting are recommended. This includes checking for any signs of damage or wear, ensuring connections are secure, and calibrating the sensor as needed. Addressing issues promptly can prevent more significant problems and maintain the sensor’s accuracy and reliability.

Cummins Overview

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 strong reputation in the industry, Cummins is committed to producing high-quality automotive components that meet the demanding requirements of commercial vehicles. Their dedication to excellence and continuous improvement ensures that their products, including the Cummins 4984974 Pressure Temperature Sensor, deliver reliable performance and durability ².

Compatibility with Cummins Engines

The Pressure Temperature Sensor part number 4984974, manufactured by Cummins, is designed to be compatible with a range of Cummins engines. This sensor plays a role in monitoring and regulating engine performance by providing data on pressure and temperature conditions.

Compatibility with G5.9 CM558, G8.3 CM558, and G855 CM558 Engines

The Pressure Temperature Sensor 4984974 is specifically engineered to fit seamlessly with the G5.9 CM558, G8.3 CM558, and G855 CM558 engines. These engines are part of Cummins’ lineup of robust and reliable power units, often utilized in various industrial and commercial applications. The sensor’s design ensures it can integrate effectively with the engine’s architecture, providing accurate and consistent readings to maintain optimal engine performance.

Compatibility with QSL9 G CM558 Engines

Similarly, the Pressure Temperature Sensor 4984974 is also compatible with the QSL9 G CM558 engines. This engine is known for its durability and efficiency, making it a popular choice in demanding environments. The sensor’s fit and function are tailored to work with the QSL9 G CM558’s specific requirements, ensuring that it can deliver precise data to the engine control unit (ECU) for effective management of engine operations.

Grouping for Ease of Understanding

For ease of understanding, the Pressure Temperature Sensor 4984974 is compatible with the following engine groups:

• G5.9 CM558
• G8.3 CM558
• G855 CM558
• QSL9 G CM558

This grouping highlights the sensor’s versatility and its ability to integrate with multiple engine models, providing a unified solution for monitoring and maintaining engine health across different applications.

Role of Part 4984974 Pressure Temperature Sensor in Engine Systems

The Part 4984974 Pressure Temperature Sensor is an integral component in modern engine systems, working in conjunction with the Engine Control Module (ECM) to ensure optimal engine performance and efficiency.

Integration with the Engine Control Module (ECM)

The Pressure Temperature Sensor continuously monitors the pressure and temperature conditions within the engine. It sends real-time data to the ECM, which uses this information to make precise adjustments to fuel injection, ignition timing, and other critical parameters. This dynamic feedback loop allows the ECM to maintain the engine’s performance under varying conditions, enhancing both efficiency and reliability.

Enhancing Engine Performance

By providing accurate pressure and temperature readings, the sensor enables the ECM to:

• Optimize fuel delivery for better combustion efficiency.
• Adjust ignition timing to prevent knocking and improve power output.
• Regulate coolant flow to maintain optimal engine temperature.

Supporting Diagnostic Functions

The data from the Pressure Temperature Sensor also plays a role in onboard diagnostics. The ECM uses this information to detect anomalies and potential issues early, allowing for timely maintenance and reducing the risk of catastrophic failures.

Contribution to Emission Control

Accurate pressure and temperature data are essential for the ECM to control emission systems effectively. The sensor helps the ECM to:

• Manage the Exhaust Gas Recirculation (EGR) system for reduced emissions.
• Optimize the operation of the catalytic converter.
• Ensure compliance with environmental regulations by fine-tuning engine parameters.

Conclusion

In summary, the Cummins 4984974 Pressure Temperature Sensor is a key component that enhances the functionality and performance of engine systems by providing essential data to the ECM. Its robust design, compatibility with various Cummins engines, and role in maintaining optimal engine conditions make it a valuable asset for commercial truck applications ³.