4951944
Temperature Sensor
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,249.95 $1,487.44

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

The Cummins 4951944 Temperature Sensor is designed to monitor the temperature within the engine system of commercial trucks. It provides accurate temperature readings that contribute to the overall management and performance of the engine. This sensor ensures that the engine operates within optimal temperature ranges, which is vital for maintaining efficiency and longevity of the engine components 1.

Basic Concepts of Temperature Sensors

Temperature sensors measure the temperature of their surroundings and convert this measurement into an electrical signal. They are widely used in various automotive systems to monitor and regulate temperature conditions. In commercial trucks, temperature sensors help maintain the engine’s performance by providing real-time data to the engine management system, allowing for necessary adjustments 2.

Purpose of the 4951944 Temperature Sensor

The 4951944 Temperature Sensor is integral to the operation of a truck’s engine management system. It measures the engine coolant temperature, providing data that is used to adjust the engine’s performance. This sensor ensures that the engine does not overheat, which could lead to damage, and also helps in optimizing fuel injection and ignition timing for better performance and efficiency 3.

Key Features

This Cummins part is characterized by its robust design and high-quality materials, which ensure durability and accurate temperature readings. It is constructed using materials that can withstand the harsh conditions within an engine compartment. Technological specifications of the sensor include a precise measurement range and quick response time, which are critical for effective engine management.

Benefits of Using the 4951944 Temperature Sensor

Utilizing this part offers several advantages. It contributes to improved engine performance by ensuring that the engine operates within optimal temperature ranges. This sensor also enhances fuel efficiency by providing accurate temperature data that allows the engine management system to make precise adjustments. Additionally, it offers reliable temperature monitoring, which is crucial for the prevention of engine overheating and related damages.

Installation and Integration

Installing the 4951944 Temperature Sensor involves placing it in a location where it can accurately measure the engine coolant temperature. This typically requires following manufacturer guidelines to ensure proper placement and connection within the engine system. Care should be taken to ensure that all connections are secure and that the sensor is correctly aligned to provide accurate readings.

Common Applications

The 4951944 Temperature Sensor is commonly used in various types of commercial trucks and engine configurations. It is compatible with a range of Cummins engines, making it a versatile component for temperature monitoring in the heavy-duty truck industry. Its application extends across different models and types of commercial vehicles, highlighting its importance in engine management systems.

Troubleshooting and Maintenance

To troubleshoot issues related to the 4951944 Temperature Sensor, it is important to check for accurate readings and ensure that the sensor is properly installed. Diagnostic tools can be used to verify the sensor’s performance and identify any discrepancies. Regular maintenance practices, such as checking connections and ensuring the sensor is free from debris, can help maintain optimal performance.

Performance Monitoring

Monitoring the performance of the 4951944 Temperature Sensor involves using diagnostic tools to check for accurate temperature readings and ensuring that the sensor is functioning within specified parameters. Regular checks and comparisons with expected temperature ranges can help identify any issues early, allowing for timely maintenance or replacement if necessary.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history dating back to 1919, Cummins has established itself as a key player in the automotive and heavy-duty truck industry, known for its innovation, quality, and commitment to customer success. The company’s extensive product line and technological advancements have made it a preferred choice for commercial vehicle manufacturers and operators worldwide.

Temperature Sensor 4951944 Compatibility with Cummins Engines

The Temperature Sensor part number 4951944, manufactured by Cummins, is designed to be compatible with a range of Cummins engines. This sensor is crucial for monitoring the engine’s temperature, ensuring optimal performance and preventing overheating. Here is a detailed look at its compatibility with specific Cummins engines:

QSK60 Engine

The QSK60 engine, known for its robust performance and reliability, integrates the Temperature Sensor 4951944 seamlessly. This engine is widely used in various industrial applications, and the sensor plays a vital role in maintaining its operational efficiency by providing accurate temperature readings.

CM850 Engine

The CM850 engine, another high-performance model from Cummins, also utilizes the Temperature Sensor 4951944. This engine is often found in marine and power generation applications. The sensor’s precision in temperature monitoring ensures that the CM850 engine operates within safe limits, enhancing its longevity and performance.

MCRS Engine

The MCRS engine, part of Cummins’ lineup of medium-duty engines, benefits from the Temperature Sensor 4951944. This engine is commonly used in on-highway and vocational applications. The sensor’s role in the MCRS engine is to provide real-time temperature data, which is essential for maintaining engine health and preventing potential failures.

Grouping Compatibility

The Temperature Sensor 4951944 is designed to fit into the QSK60 and CM850 engines, which are part of Cummins’ heavy-duty engine series. These engines are known for their durability and efficiency, making the sensor a critical component in their operation. The MCRS engine, while part of a different series, also relies on this sensor for accurate temperature monitoring, ensuring consistent performance across various applications.

By integrating the Temperature Sensor 4951944 into these engines, Cummins ensures that operators can rely on precise temperature data, leading to better engine management and reduced downtime.

Role of Part 4951944 Temperature Sensor in Engine Systems

The 4951944 Temperature Sensor is integral to the operation of several key engine systems, ensuring optimal performance and efficiency.

In the Module, the temperature sensor provides real-time data on the engine’s temperature, allowing the module to make precise adjustments to fuel injection, ignition timing, and other parameters. This ensures that the engine operates within its optimal temperature range, enhancing performance and fuel efficiency.

Within the Engine Control System (ECS), the sensor’s readings are vital for maintaining the engine’s health. The ECS uses this temperature data to regulate the engine’s cooling system, preventing overheating and ensuring that the engine remains within safe operating temperatures. This helps in prolonging the engine’s lifespan and reducing the risk of thermal damage.

In the Engine Monitoring System (EMS), the temperature sensor plays a significant role in diagnostics and maintenance. By continuously monitoring the engine’s temperature, the EMS can detect anomalies and potential issues before they become serious problems. This proactive approach allows for timely interventions, reducing downtime and maintenance costs.

Overall, the 4951944 Temperature Sensor is a key component in ensuring the engine systems operate efficiently, reliably, and within safe parameters.

Conclusion

The Cummins 4951944 Temperature Sensor is a critical component in the engine management systems of commercial trucks. Its accurate temperature readings ensure that engines operate within optimal temperature ranges, enhancing performance, fuel efficiency, and longevity. Proper installation, regular maintenance, and compatibility with various Cummins engines make this sensor an indispensable part of heavy-duty truck operations.


  1. Gilles, T. (2020). Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning.

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

  3. Martyr, A.J. (2007). Engine Testing: Theory and Practice: Third Edition. SAE International.

SPECIFICATIONS

Notes
Exhaust Gas.
Package Dimensions
5.0 x 1.1 x 5.1 in
Weight
0.32 lb
* 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.