4364451
Pressure Regulator Valve
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,699.95 $4,402.94

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 4364451 Pressure Regulator Valve is a component designed to maintain consistent pressure within a truck’s system. Its role is significant in ensuring the efficient operation of heavy-duty trucks, particularly in maintaining optimal performance and reliability of the engine.

Basic Concepts of Pressure Regulator Valves

A pressure regulator valve is a device that automatically controls the pressure of a fluid or gas to a desired level. It functions by adjusting the flow rate of the fluid or gas to maintain a constant pressure, regardless of changes in the system’s demand or supply conditions. This consistent pressure is vital for the proper operation of various systems within a vehicle, including fuel and air systems 1.

Purpose of the 4364451 Pressure Regulator Valve

The Cummins 4364451 Pressure Regulator Valve is specifically designed to regulate pressure within a truck’s fuel or air system. By maintaining a consistent pressure, it ensures that the engine receives the correct amount of fuel or air, which is vital for efficient combustion and overall engine performance. This valve plays a role in optimizing the engine’s operation by providing a stable pressure environment 2.

Key Features

The Cummins 4364451 Pressure Regulator Valve is characterized by its robust design and the use of high-quality materials, which contribute to its durability and reliability. Key features include a precision-machined body, corrosion-resistant materials, and a design that allows for easy adjustment and maintenance. These attributes enhance the valve’s performance and longevity.

Benefits

The implementation of the Cummins 4364451 Pressure Regulator Valve in a truck’s system offers several benefits. It contributes to improved system efficiency by ensuring consistent pressure, which can lead to enhanced engine performance. Additionally, by maintaining optimal pressure levels, it may result in potential cost savings for fleet operators through improved fuel efficiency and reduced maintenance needs.

Installation and Integration

Proper installation of the Cummins 4364451 Pressure Regulator Valve is crucial for its effective operation. It should be integrated into the truck’s system according to the manufacturer’s guidelines, ensuring that all connections are secure and that the valve is correctly positioned to regulate pressure as intended. Consideration should be given to the system’s specific requirements and any prerequisites for installation.

Troubleshooting and Maintenance

Regular maintenance of the Cummins 4364451 Pressure Regulator Valve is important for ensuring its longevity and optimal performance. Troubleshooting common issues may involve checking for leaks, ensuring proper connections, and verifying that the valve is functioning within its specified pressure range. Signs of potential failure include inconsistent pressure readings or engine performance issues, which may indicate the need for adjustment or replacement.

Performance Impact

The Cummins 4364451 Pressure Regulator Valve plays a role in the overall performance of the truck by ensuring that the engine operates under optimal pressure conditions. This can lead to improvements in fuel efficiency, as the engine is able to combust fuel more efficiently. Additionally, consistent pressure regulation contributes to the reliability and longevity of the engine, reducing the likelihood of performance issues related to pressure fluctuations.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive industry, particularly in the heavy-duty truck sector. The company’s extensive product range and commitment to excellence have made it a trusted name among fleet operators and manufacturers alike.

Pressure Regulator Valve (Part 4364451) Compatibility with Cummins Engines

The Pressure Regulator Valve, part number 4364451, manufactured by Cummins, is a critical component in the engine’s fuel system. This part is designed to maintain optimal fuel pressure within the engine’s fuel lines, ensuring efficient and reliable engine performance. Below is a detailed description of how this part fits with various Cummins engines.

G855 CM558 and GTA855 CM558 (CM2358) G101

The G855 CM558 and GTA855 CM558 (CM2358) G101 engines are part of Cummins’ heavy-duty engine lineup, known for their robust performance and durability. The Pressure Regulator Valve (4364451) is integral to these engines, as it helps regulate the fuel pressure supplied to the high-pressure fuel system. This regulation is crucial for maintaining the correct air-fuel mixture, which is essential for optimal combustion efficiency and power output. The valve ensures that the fuel pressure remains within the specified range, preventing issues such as fuel starvation or excessive pressure that could lead to engine damage.

KTA19GC CM558

The KTA19GC CM558 engine is another variant in Cummins’ extensive engine portfolio, designed for various industrial applications. The Pressure Regulator Valve (4364451) in this engine serves a similar function as in the G855 and GTA855 engines. It ensures that the fuel pressure is consistently regulated, which is vital for the engine’s performance and longevity. This regulation helps in achieving the desired fuel atomization and combustion efficiency, contributing to the engine’s overall reliability and efficiency.

Grouping of Engines

The Pressure Regulator Valve (4364451) is compatible with the following engines:

  • G855 CM558
  • GTA855 CM558 (CM2358) G101
  • KTA19GC CM558

These engines, while differing in specific applications and configurations, share a common requirement for precise fuel pressure regulation. The valve’s role in maintaining this regulation is critical for the efficient operation of these engines, ensuring they perform reliably under various conditions.

Role of Part 4364451 Pressure Regulator Valve in Engine Systems

The part 4364451 Pressure Regulator Valve is an essential component in the fuel control module, ensuring the efficient and reliable operation of the engine system. This valve is integrated into the fuel control module, where it works in conjunction with other components to maintain optimal fuel pressure.

When the engine is running, the fuel control module receives fuel from the fuel tank. The Pressure Regulator Valve within this module plays a key role in adjusting the fuel pressure to meet the engine’s requirements. It ensures that the fuel pressure remains within the specified range, which is vital for the proper functioning of the fuel injectors and overall engine performance.

The valve operates by sensing the fuel pressure and making necessary adjustments to maintain consistency. It interacts with the fuel control components to deliver the correct amount of fuel at the right pressure, enhancing fuel efficiency and reducing emissions. The Pressure Regulator Valve also helps in protecting the fuel system from excessive pressure, which could lead to leaks or damage to other components.

In summary, the part 4364451 Pressure Regulator Valve is a fundamental element in the fuel control module, ensuring that the engine receives the precise fuel pressure needed for optimal performance and efficiency. Its integration with the fuel control components highlights its importance in maintaining the overall health and functionality of the engine system.

Conclusion

The Cummins 4364451 Pressure Regulator Valve is a vital component in ensuring the efficient and reliable operation of heavy-duty truck engines. By maintaining consistent pressure within the fuel or air system, it contributes to optimal engine performance, improved fuel efficiency, and reduced maintenance needs. Its robust design, compatibility with various Cummins engines, and role in the fuel control module underscore its importance in the automotive industry.


  1. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

  2. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

SPECIFICATIONS

Package Dimensions
6.75 x 4.75 x 4.0 in
Weight
2.4 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.