3058718
Manifold Pressure Tube
Cummins®

The Manifold Pressure Tube (Part #3058718) by Cummins is a component designed to facilitate the measurement and regulation of manifold pressure in commercial trucks. This part is integral to the engine’s operation, ensuring that the engine performs efficiently and reliably under various driving conditions.

Basic Concepts

Manifold pressure tubes are fundamental components in engine systems, responsible for regulating and measuring the pressure within the intake manifold. These tubes connect to sensors that monitor the pressure, providing critical data to the engine control unit (ECU). This data allows the ECU to make real-time adjustments to fuel delivery and ignition timing, optimizing engine performance and efficiency ¹.

Purpose and Function

This Cummins part specifically plays a role in the engine system by accurately measuring the pressure within the intake manifold. This measurement is vital for the ECU to determine the correct air-fuel ratio, which is essential for efficient combustion. The tube interacts with other engine components, such as the intake manifold and the ECU, to ensure that the engine operates within its optimal parameters. By maintaining precise manifold pressure, the tube contributes to overall engine performance, including power output and fuel efficiency.

Key Features

The 3058718 Manifold Pressure Tube is constructed from high-quality materials, ensuring durability and reliability in demanding commercial truck applications. Its design includes robust connections and precise fittings to withstand the high pressures and temperatures within the engine compartment. Additionally, the tube may feature unique attributes such as corrosion-resistant coatings or reinforced sections to enhance its functionality and longevity.

Benefits

The advantages of using the 3058718 Manifold Pressure Tube include improved engine efficiency and enhanced performance. By providing accurate manifold pressure readings, the tube allows the ECU to make precise adjustments, leading to better fuel economy and reduced emissions. Fleet operators may also experience potential cost savings due to the tube’s durability and the overall improvement in engine performance, which can lead to lower maintenance and repair costs over time ².

Installation and Compatibility

Proper installation of the Manifold Pressure Tube is crucial for ensuring its effectiveness and compatibility with various truck models and engine configurations. Installation guidelines typically include verifying the tube’s fitment, securing all connections, and conducting thorough testing to confirm that the manifold pressure readings are accurate. Specific requirements may vary depending on the truck model and engine type, so it is important to consult the manufacturer’s instructions for detailed guidance.

Troubleshooting and Maintenance

Diagnosing common issues related to manifold pressure tubes can involve checking for leaks, verifying sensor readings, and ensuring all connections are secure. Regular maintenance practices, such as inspecting the tube for signs of wear or damage and cleaning the sensor connections, can help ensure optimal performance and longevity. If issues arise, such as inaccurate pressure readings or engine performance problems, it may be necessary to replace the tube or seek professional assistance.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has built a legacy of producing high-quality engine components and systems. The company is committed to innovation, reliability, and customer satisfaction, making it a trusted name among fleet operators and automotive professionals. Cummins’ dedication to excellence is evident in their comprehensive range of products, including the 3058718 Manifold Pressure Tube, which embodies their commitment to quality and performance ³.

Manifold Pressure Tube (Part 3058718) in Cummins Engines

The Manifold Pressure Tube (part 3058718) is a critical component in several Cummins engine models, facilitating the measurement of manifold pressure. This part is integral to the engine’s performance monitoring and control systems.

N14 MECHANICAL

In the N14 MECHANICAL engine, the Manifold Pressure Tube is designed to accurately measure the pressure within the intake manifold. This measurement is essential for the engine’s Electronic Control Module (ECM) to adjust fuel delivery and ignition timing, ensuring optimal performance and efficiency. The tube is typically made from durable materials to withstand the high temperatures and pressures within the engine’s intake system. Its precise fit and connection to the intake manifold are crucial for maintaining accurate readings and preventing leaks.

Role of Part 3058718 Manifold Pressure Tube in Engine Systems

The manifold pressure tube, identified by part number 3058718, is an integral component within the engine system, facilitating the measurement and regulation of manifold pressure. This tube is connected to the intake manifold, where it interfaces with the manifold pressure sensor. The sensor detects the pressure within the intake manifold, which is a key parameter for the engine control unit (ECU) to adjust fuel delivery and ignition timing.

In conjunction with the ECU, the manifold pressure tube plays a significant role in maintaining optimal engine performance. It ensures that the air-fuel mixture is correctly metered, which is essential for efficient combustion. The data from the manifold pressure sensor, transmitted via the manifold pressure tube, allows the ECU to make real-time adjustments to the engine’s operation, enhancing both performance and fuel efficiency.

Furthermore, the manifold pressure tube works in harmony with other components such as the throttle body, fuel injectors, and the exhaust gas recirculation (EGR) system. By providing accurate pressure readings, it aids in the precise control of these systems, ensuring that they operate within their designed parameters. This integration is vital for reducing emissions and improving overall engine responsiveness.

Conclusion

In summary, the manifold pressure tube is a fundamental element in the engine’s feedback loop, enabling the ECU to make informed decisions that optimize engine performance, fuel economy, and emissions control.