4984575
Pressure Sensor
Cummins®

Introduction

The Cummins 4984575 Pressure Sensor is designed to monitor and regulate pressure within commercial truck systems, ensuring accurate pressure readings that contribute to efficient and safe vehicle operation. This sensor is crucial for maintaining optimal performance and ensuring the longevity of the truck’s engine and related systems.

Basic Concepts of Pressure Sensors

A pressure sensor measures pressure exerted by gases or liquids, converting it into an electrical signal for interpretation by the vehicle’s electronic systems. Types include absolute, gauge, and differential sensors, each suited for specific applications. In the automotive sector, these sensors are vital for monitoring and controlling various systems to enhance performance and safety ¹.

Role of the 4984575 Pressure Sensor in Truck Operations

The Cummins 4984575 Pressure Sensor is integral to commercial truck operations. It provides real-time pressure data to the truck’s electronic control unit (ECU) for adjustments to the engine and other systems. This sensor optimizes fuel injection, manages turbocharging systems, and ensures the engine operates within safe pressure limits, enhancing overall performance and efficiency ².

Key Features of the 4984575 Pressure Sensor

The Cummins 4984575 Pressure Sensor features robust design and high-quality materials, incorporating advanced technology for accurate and reliable pressure readings. It is built to withstand harsh commercial truck environments, with durable construction and precise engineering, contributing to its effectiveness and longevity in demanding applications ³.

Benefits of Using the 4984575 Pressure Sensor

Incorporating the Cummins 4984575 Pressure Sensor into truck systems offers several benefits. It improves fuel efficiency by enabling the ECU to make precise adjustments based on real-time pressure data. It enhances safety by preventing engine damage through maintaining safe pressure levels. Additionally, it increases the reliability of the truck’s systems, leading to reduced downtime and maintenance costs ⁴.

Installation and Integration

Proper installation of the Cummins 4984575 Pressure Sensor is crucial for optimal performance. The installation process involves connecting the sensor to the appropriate pressure points within the truck’s system and ensuring it is securely mounted. Integration with the truck’s ECU requires careful calibration to ensure accurate readings and effective system adjustments. Following manufacturer guidelines during installation is important to achieve the best results.

Troubleshooting and Maintenance

Common issues with the Cummins 4984575 Pressure Sensor may include inaccurate readings or sensor failure. Troubleshooting steps involve checking the sensor’s connections, inspecting for physical damage, and verifying the calibration settings. Regular maintenance, such as cleaning the sensor and inspecting its mounting, helps ensure its longevity and proper functioning. Promptly addressing any issues that arise can prevent more significant problems down the line.

Performance Monitoring and Diagnostics

The Cummins 4984575 Pressure Sensor plays a role in performance monitoring and diagnostics by providing valuable data on pressure levels within the truck’s systems. This data is used by the ECU to make informed decisions about engine adjustments and system operations. Regular monitoring of this data allows for early detection of potential issues, enabling timely maintenance and preventing costly repairs.

Cummins: A Brief Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive and commercial vehicle industry. Founded in 1919, Cummins has a history of innovation and quality, consistently delivering reliable and high-performance engine and powertrain solutions. The company’s commitment to advancing technology and meeting the needs of its customers has solidified its position as a leader in the industry.

Cummins Pressure Sensor 4984575 Compatibility

The Cummins Pressure Sensor part number 4984575 is designed to fit a variety of Cummins engines, ensuring accurate monitoring of pressure levels within the engine’s systems. This sensor is crucial for maintaining optimal engine performance and efficiency. Below is a detailed overview of the engines with which this pressure sensor is compatible:

Cummins ISB Series

• ISB CM2150
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

The ISB series engines benefit from the 4984575 pressure sensor, which provides essential data for the engine control unit (ECU) to manage fuel injection, boost pressure, and overall engine performance.

Cummins ISC Series

• ISC CM2150
• ISC8.3 CM2250

The ISC series engines also utilize the 4984575 pressure sensor to ensure precise pressure readings, which are vital for maintaining the engine’s operational parameters and preventing potential damage from overpressure conditions.

Cummins ISL Series

• ISL CM2150
• ISL G CM2180
• ISL9 CM2250

The ISL series engines are equipped with the 4984575 pressure sensor to monitor and regulate pressure levels, contributing to the engine’s reliability and longevity.

Cummins ISM Series

• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines rely on the 4984575 pressure sensor to provide accurate pressure data, which is essential for the engine’s performance management and diagnostic systems.

Cummins ISX Series

• ISX CM871
• ISX12 G CM2180 EJ
• ISX15 CM2250
• ISX15 CM2350 X101

The ISX series engines, known for their high performance and power, use the 4984575 pressure sensor to ensure that pressure readings are accurate, allowing for optimal engine control and performance.

Cummins QSB Series

• QSB3.3 CM2250 EC
• QSB4.5 CM2250 EC
• QSB6.7 CM2250

The QSB series engines incorporate the 4984575 pressure sensor to monitor and maintain pressure levels, ensuring the engine operates efficiently and reliably across various applications.

By integrating the Cummins Pressure Sensor 4984575 into these engines, operators can expect enhanced performance, improved fuel efficiency, and better overall engine health.

Role of Part 4984575 Pressure Sensor in Engine Systems

The 4984575 Pressure Sensor is an integral component in the orchestration of various engine systems, ensuring optimal performance and efficiency. Its primary function is to monitor and regulate the pressure within specific engine components, thereby contributing to the overall functionality of the engine.

Integration with Crankcase Breather System

The Pressure Sensor is strategically placed within the crankcase breather arrangement. It works in conjunction with the crankcase breather plumbing to maintain a balanced pressure environment. This is essential for the efficient operation of the breather, crankcase, and the overall crankcase breather system. The sensor’s readings are vital for the breather adapter and breather cover to function correctly, ensuring that the valve cover and its associated components operate within their designed parameters.

Communication with Engine Control Module

A significant aspect of the 4984575 Pressure Sensor’s role is its interaction with the Engine Control Module (ECM). The sensor provides real-time pressure data to the ECM, which uses this information to make adjustments to the engine’s operation. This dynamic communication is key in maintaining the engine’s performance, especially in scenarios where the pressure within the crankcase or other components fluctuates.

Role in Long Block and Long Block Kit

In the context of a long block or long block kit, the Pressure Sensor plays a supportive role. It ensures that the internal pressures are consistent, which is particularly important in a long block setup where the engine’s core components are assembled without ancillary systems. The sensor’s feedback loop with the ECM helps in fine-tuning the engine’s performance post-assembly.

Interaction with Molded Hose and Plumbing

The sensor is also part of the crankcase breather plumbing, where it interfaces with molded hoses. This integration is crucial for the effective management of pressure within the plumbing system. The sensor’s accurate readings enable the system to respond to changes in pressure, maintaining a stable environment within the engine.

Upfit Kit and Valve Cover Blowby Sensor Kit

When incorporated into an upfit kit or a valve cover blowby sensor kit, the 4984575 Pressure Sensor enhances the system’s capability to handle varying pressure conditions. It provides essential data that aids in the management of blowby gases and other emissions, contributing to a more efficient and environmentally friendly engine operation.

Conclusion

The Cummins 4984575 Pressure Sensor is a key player in the intricate dance of engine components. Its role in monitoring and regulating pressure is fundamental to the efficient and reliable operation of the engine, particularly in systems like the crankcase breather and the ECM.