4307166
Differential Pressure Sensor
Cummins®

DISCONTINUED

Cummins®

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

Introduction

The Cummins 4307166 Differential Pressure Sensor is designed to monitor and measure the difference in pressure between two points within a system. In commercial trucks, this part plays a significant role by providing data that aids in the efficient operation of various systems, ensuring optimal performance and reliability.

Basic Concepts of Differential Pressure Sensors

A differential pressure sensor measures the difference in pressure between two points, converting it into an electrical signal for interpretation by the vehicle’s electronic control unit (ECU). These sensors are used in automotive systems for applications such as monitoring air intake systems, exhaust systems, and fuel systems, contributing to the overall efficiency and performance of the vehicle 1.

Role of the 4307166 Differential Pressure Sensor in Truck Operation

This Cummins part is integrated into the truck’s systems to monitor specific parameters crucial for engine operation. It measures the pressure difference across components like filters or catalytic converters, providing data that the ECU uses to adjust engine parameters in real-time. This ensures the engine operates within optimal conditions, enhancing performance and efficiency 2.

Key Features of the 4307166 Differential Pressure Sensor

The 4307166 is characterized by its robust design and high-quality construction materials, contributing to its durability and reliability. It features advanced technological specifications for precise measurement and reporting of pressure differences. The sensor’s design ensures it can withstand the harsh conditions typical of commercial truck operations, providing consistent and accurate data over time 3.

Benefits of Using the 4307166 Differential Pressure Sensor

Utilizing this part offers several advantages. It contributes to improved engine performance by enabling the ECU to make real-time adjustments based on precise pressure measurements. This can lead to enhanced fuel efficiency, as the engine operates more efficiently under optimal conditions. Additionally, the sensor’s reliable operation contributes to the overall system reliability, reducing the likelihood of unexpected downtimes.

Installation and Integration

Proper installation and integration of the 4307166 into a truck’s system are crucial for optimal performance. It should be installed according to the manufacturer’s guidelines, ensuring it is securely mounted and correctly connected to the vehicle’s electronic systems. Consideration should be given to the sensor’s location to ensure accurate measurements and protection from environmental factors.

Troubleshooting and Maintenance

Regular maintenance and troubleshooting are important for ensuring the longevity and consistent performance of the 4307166. Common issues may include inaccurate readings or sensor failure, which can often be traced back to installation errors, electrical issues, or environmental damage. Maintenance tips include regular inspection for physical damage, ensuring electrical connections are secure, and following manufacturer recommendations for servicing and replacement.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and emissions solutions. With a strong commitment to innovation and quality, Cummins has established itself as a trusted name in the commercial truck industry. The company’s extensive product range and focus on customer satisfaction underscore its position as a leader in providing reliable and efficient power solutions for commercial vehicles.

Differential Pressure Sensor 4307166 Compatibility with Cummins Engines

This sensor is designed to be compatible with a variety of Cummins engines. It plays a role in monitoring and regulating the pressure differential across certain components, ensuring optimal engine performance and efficiency.

Compatible Engines

  • B4.5 CM2350 B104
  • B6.7 CM2350 B135B
  • F3.8 CM2350 F128C
  • ISB4.5 CM2350 B104
  • ISB6.7 CM2250
  • ISB6.7 CM2350 B101
  • ISC8.3 CM2250
  • ISD4.5 CM2220 D108
  • ISF3.8 CM2220 F103
  • ISL9 CM2250
  • ISV (Nissan)
  • ISX12 CM2350 X102
  • ISX12/ISX11.9 CM2250
  • ISX15 CM2250
  • ISX15 CM2350 X101
  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSC9 CM2250/QSL9 CM2250
  • QSF2.8 CM2880 F105
  • QSF2.8 CM2880 F114
  • QSF3.8 CM2350 F107
  • QSK50 CM2350 K108
  • QSK60 G CM2358 K110
  • QSL9 CM2250
  • QSL9 CM2350 L102

Grouping of Compatible Engines

  • ISB Series: ISB4.5 CM2350 B104, ISB6.7 CM2250, ISB6.7 CM2350 B101
  • ISX Series: ISX12 CM2350 X102, ISX12/ISX11.9 CM2250, ISX15 CM2250, ISX15 CM2350 X101
  • QSB Series: QSB6.7 CM2250, QSB6.7 CM2350 B105
  • QSC/QSL Series: QSC9 CM2250/QSL9 CM2250, QSL9 CM2350 L102
  • QSF Series: QSF2.8 CM2880 F105, QSF2.8 CM2880 F114, QSF3.8 CM2350 F107
  • QSK Series: QSK50 CM2350 K108, QSK60 G CM2358 K110
  • Others: B4.5 CM2350 B104, B6.7 CM2350 B135B, F3.8 CM2350 F128C, ISC8.3 CM2250, ISD4.5 CM2220 D108, ISF3.8 CM2220 F103, ISL9 CM2250, ISV (Nissan)

Role of Part 4307166 Differential Pressure Sensor in Engine Systems

This part is an integral component in modern engine systems, ensuring optimal performance and efficiency. It is strategically positioned to monitor and regulate various engine functions by measuring the pressure differential across specific components.

Air Flow Metering Orifice

The Differential Pressure Sensor works with the Air Flow Metering Orifice to accurately measure the volume of air entering the engine. By detecting the pressure difference before and after the orifice, the sensor provides precise data to the Engine Control Module (ECM), allowing for fine-tuned adjustments to the air-fuel mixture.

Air Intake Connection

At the Air Intake Connection, the sensor ensures that the intake system operates within specified parameters. It monitors the pressure differential to detect any anomalies, such as blockages or leaks, which could affect engine performance.

Engine Control Module (ECM)

The data from the Differential Pressure Sensor is transmitted to the ECM, which uses this information to make real-time adjustments to various engine parameters. This ensures that the engine operates efficiently under varying conditions, enhancing both performance and fuel economy.

Exhaust Recirculation (EGR)

In the Exhaust Recirculation system, the sensor helps manage the flow of exhaust gases back into the intake manifold. By monitoring the pressure differential, it ensures that the EGR system functions correctly, reducing emissions and improving overall engine efficiency.

Exhaust Recirculation Air Arrangement and Plumbing

The sensor is also essential in the Exhaust Recirculation Air Arrangement and Plumbing. It ensures that the recirculated exhaust gases are introduced into the intake stream at the correct pressure, maintaining the desired air-fuel ratio and reducing nitrogen oxides (NOx) emissions.

Fuel Control Module

Working alongside the Fuel Control Module, the Differential Pressure Sensor helps maintain the optimal air-fuel ratio. By providing accurate pressure differential data, it ensures that the fuel delivery system operates efficiently, contributing to better fuel economy and reduced emissions.

Intake Manifold Cover

The sensor’s role extends to the Intake Manifold Cover, where it monitors the pressure differential to ensure uniform air distribution across the cylinders. This helps in achieving balanced combustion, which is essential for smooth engine operation and longevity.

Throttle Valve

Finally, the Differential Pressure Sensor interacts with the Throttle Valve to ensure that the airflow into the engine is precisely controlled. By monitoring the pressure differential, it assists the ECM in making necessary adjustments to the throttle position, optimizing engine performance across different operating conditions.

Conclusion

The Cummins 4307166 Differential Pressure Sensor is a critical component in ensuring the efficient and reliable operation of commercial truck engines. Its role in monitoring and regulating pressure differentials across various engine components contributes to optimal engine performance, enhanced fuel efficiency, and reduced emissions. Proper installation, regular maintenance, and troubleshooting are essential for maximizing the benefits of this sensor.


  1. Bennett, Sean. Modern Diesel Technology Light Duty Diesels. Cengage Learning, 2012.

  2. Majewski, Addy, and Hannu Jaskelainen. Diesel Emissions and Their Control: Second Edition. SAE International, 2023.

  3. Fehan, Douglas R. Design of Racing and High-Performance Engines 2004-2013. SAE International, 2013.

SPECIFICATIONS

Service Part Topic
TSB170027
Package Dimensions
3.6 x 2.5 x 2.5 in
Weight
0.27 lbs
* 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.