4985020
Temperature Sensor
Cummins®

Introduction

The Cummins 4985020 Temperature Sensor is designed to monitor the temperature within a truck’s engine system, providing accurate readings to maintain optimal operating conditions. This sensor ensures the engine operates efficiently and reliably, contributing to the overall performance and longevity of commercial trucks ¹.

Basic Concepts of Temperature Sensors

Temperature sensors measure temperature changes and convert them into electrical signals. They are integral to various automotive systems, helping regulate engine performance, cabin comfort, and other functions. In automotive applications, these sensors maintain engine efficiency by ensuring operation within the optimal temperature range ².

Role of the 4985020 Temperature Sensor in Truck Operation

This Cummins part specifically monitors the engine coolant temperature. By providing real-time data to the engine control unit (ECU), it allows the ECU to adjust fuel injection, ignition timing, and other parameters. This ensures optimal performance and efficiency, reducing the risk of overheating and potential damage ³.

Key Features of the 4985020 Temperature Sensor

The 4985020 is designed with precision and durability. It features robust construction to withstand commercial truck environments. Made from high-quality materials, it ensures accurate and reliable temperature readings. Its sealed housing protects against moisture and contaminants, enhancing performance and longevity.

Benefits of Using the 4985020 Temperature Sensor

Incorporating this sensor into a truck’s engine system offers several advantages. It improves engine performance by ensuring operation within the optimal temperature range, leading to enhanced fuel efficiency and reduced emissions. Additionally, it helps extend the engine’s lifespan by preventing overheating and related damage.

Installation and Integration

Installing the 4985020 involves placing it in the engine coolant system, typically near the thermostat housing or radiator. It is important to follow the manufacturer’s guidelines for proper installation, including secure fit and proper electrical connections to the ECU. These precautions ensure accurate temperature readings and reliable operation.

Troubleshooting Common Issues

Temperature sensors can encounter issues such as inaccurate readings or complete failure. Common problems include sensor fouling, electrical connection issues, or sensor degradation over time. Troubleshooting steps may involve checking electrical connections, cleaning the sensor, or replacing it if necessary. Regular inspections can help identify and address these issues promptly.

Maintenance Tips

To ensure the longevity and accurate functioning of the 4985020, regular maintenance is recommended. This includes periodic inspections of the sensor and its connections, ensuring no buildup of contaminants or corrosion. Additionally, following the manufacturer’s recommended service intervals for coolant changes can help maintain the sensor’s environment, contributing to its reliable operation.

Cummins: A Brief 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 strong reputation in the commercial truck industry for producing high-quality, reliable, and efficient engines and components. Their product range includes a variety of sensors and other critical components that contribute to the performance and reliability of commercial vehicles.

Temperature Sensor 4985020 Compatibility with Cummins Engines

The Temperature Sensor part number 4985020, manufactured by Cummins, is designed to integrate seamlessly with a range of Cummins engines. This sensor plays a role in monitoring and maintaining optimal engine temperature, ensuring efficient operation and longevity of the engine.

KTA19GC CM558 Engines

The KTA19GC CM558 engine series is known for its robust performance and reliability in various industrial applications. The Temperature Sensor 4985020 is specifically engineered to fit these engines, providing accurate temperature readings that are essential for the engine’s control systems. This ensures that the engine operates within its optimal temperature range, preventing overheating and potential damage.

Grouping of Engines

In addition to the KTA19GC CM558 engines, the Temperature Sensor 4985020 is also compatible with other Cummins engines that share similar design and operational parameters. This compatibility extends to engines within the same series or those that have been updated with similar temperature monitoring systems. By ensuring that the sensor fits these engines, Cummins maintains a high standard of quality and reliability across its engine lineup.

The integration of the Temperature Sensor 4985020 into these engines is a testament to Cummins’ commitment to providing high-quality, reliable components that enhance engine performance and durability.

Role of Part 4985020 Temperature Sensor in Engine Systems

The Part 4985020 Temperature Sensor is integral to the effective operation of various engine systems. It works in conjunction with the Engine Control Module (ECM) to ensure optimal engine performance and efficiency.

Interaction with the Engine Control Module (ECM)

The temperature sensor continuously monitors the engine’s temperature and transmits this data to the ECM. The ECM uses this information to make real-time adjustments to fuel injection, ignition timing, and other critical parameters. This ensures that the engine operates within its optimal temperature range, enhancing performance and fuel efficiency.

Enhancing Engine Performance

By providing accurate temperature readings, the Part 4985020 Temperature Sensor allows the ECM to fine-tune the air-fuel mixture. This results in more efficient combustion, reduced emissions, and improved overall engine performance.

Ensuring Engine Longevity

Consistent monitoring of engine temperature helps prevent overheating, which can lead to severe engine damage. The temperature sensor’s data enables the ECM to activate cooling systems when necessary, maintaining a stable engine temperature and prolonging the engine’s lifespan.

Facilitating Diagnostic Processes

Accurate temperature data from the sensor aids in the early detection of potential issues. Mechanics can use this information to diagnose problems such as coolant leaks, thermostat malfunctions, or issues with the cooling system, allowing for timely repairs and maintenance.

Conclusion

The Cummins 4985020 Temperature Sensor is a vital component in maintaining the optimal performance and longevity of commercial truck engines. By providing accurate temperature readings, it ensures that the engine operates efficiently within its optimal temperature range. This not only enhances engine performance and fuel efficiency but also helps prevent overheating and extends the engine’s lifespan. Regular maintenance and proper installation are essential to ensure the sensor’s reliable operation and to facilitate timely diagnostics and repairs.