3974647
Temperature Sensor
Cummins®

Introduction

The Cummins 3974647 Temperature Sensor is designed to monitor engine temperature in commercial trucks, providing essential data to the engine management system for optimizing performance and ensuring efficient operation ⁴. This part contributes significantly to the reliability and efficiency of the truck’s engine.

Basic Concepts of Temperature Sensors

Temperature sensors measure environmental temperature and convert it into an electrical signal. In automotive systems, these sensors are crucial for monitoring components like the engine, transmission, and exhaust system, providing data for performance, efficiency, and safety enhancements ².

Purpose of the 3974647 Temperature Sensor

This Cummins part is designed to monitor engine coolant temperature. It provides real-time data to the engine management system, enabling adjustments to fuel injection, ignition timing, and other parameters to ensure optimal engine operation ¹.

Key Features

The 3974647 Temperature Sensor features a robust design and high-quality materials for durability and accuracy. It includes advanced specifications such as a precise temperature range and fast response time, ensuring reliable readings under various conditions ³.

Benefits of Using the 3974647 Temperature Sensor

Using this sensor enhances engine performance by maintaining optimal temperature ranges, leading to improved fuel efficiency. It also provides reliable temperature monitoring, crucial for engine health and preventing overheating ⁴.

Installation and Integration

Installing the 3974647 Temperature Sensor requires proper positioning within the engine system for accurate readings. This may involve cleaning the installation area and ensuring a secure fit. Following manufacturer guidelines is recommended for proper integration ¹.

Troubleshooting Common Issues

Common issues with the 3974647 Temperature Sensor include inaccurate readings or sensor failure. Troubleshooting involves checking connections, inspecting for damage, and verifying readings against known values to ensure reliable data ².

Maintenance Tips

Regular checks and cleaning of the 3974647 Temperature Sensor and its surroundings are important for maintaining its accuracy and functionality. These practices contribute to the sensor’s reliable operation and overall engine efficiency ³.

Cummins Overview

Cummins Inc. is renowned in the commercial truck industry for its quality and innovative products, including engines, filtration systems, and power generation equipment. The 3974647 Temperature Sensor exemplifies Cummins’ commitment to enhancing truck performance and reliability ⁴.

Compatibility with Cummins Engines

The 3974647 Temperature Sensor is compatible with various Cummins engines, including the 6B5.9, 6C8.3, K19, K38, and K50. It provides precise temperature readings essential for maintaining engine efficiency and preventing overheating across these models ¹.

Role of the 3974647 Temperature Sensor in Engine Systems

The 3974647 Temperature Sensor is crucial for engine operation and monitoring. It measures engine component temperatures, ensuring optimal performance and safety.

Integration with the Engine Instrument

The sensor is connected to the engine instrument panel, providing real-time temperature readings. This data is vital for informed engine operation decisions, such as adjusting throttle settings or initiating cooling procedures ².

Contribution to Engine Panel Functionality

Accurate temperature data from the sensor enables the engine panel to trigger alerts or warnings when temperatures exceed safe limits. This proactive monitoring prevents engine overheating and potential damage, ensuring operation within specified parameters ³.

Overall Impact on Engine Systems

The sensor’s accurate readings are integral to the engine’s thermal management system, contributing to overall efficiency and reliability. By maintaining optimal temperature levels, it helps preserve engine longevity and performance, making it an indispensable component ⁴.

Conclusion

The Cummins 3974647 Temperature Sensor plays a vital role in monitoring and optimizing engine performance in commercial trucks. Its accurate temperature readings are essential for maintaining engine health, enhancing efficiency, and ensuring reliable operation. Regular maintenance and proper installation are key to maximizing the benefits of this sensor.