3973035 Image1

3973035
Pressure Regulator Valve
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$609.95 $725.84
Genuine OEM Part

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.

Manufacturer Warranty*
DESCRIPTION

Introduction

The Cummins 3973035 Pressure Regulator Valve is engineered to maintain consistent pressure levels within the fuel system of commercial trucks. This component ensures efficient and reliable operation of the fuel system, contributing to the vehicle’s performance and longevity. It is particularly crucial for trucks equipped with Cummins engines, optimizing fuel delivery and engine performance 1.

Basic Concepts of Pressure Regulator Valves

A Pressure Regulator Valve controls the pressure of a fluid or gas by releasing excess pressure to maintain a desired set point. It monitors system pressure and adjusts the flow to keep it within specified limits, ensuring system stability and efficiency, and preventing damage from over-pressurization 2.

Role of the 3973035 Pressure Regulator Valve in Truck Operation

This Cummins part regulates the pressure within the fuel system, interacting with the fuel pump and injectors to deliver fuel at the correct pressure. This ensures efficient combustion and engine performance, contributing to the smooth operation of the engine and reducing wear on other components 3.

Key Features of the 3973035 Pressure Regulator Valve

The 3973035 is characterized by advanced materials for durability, precision engineering for accurate pressure regulation, and robust construction to withstand the demands of commercial truck operations 4.

Benefits of Using the 3973035 Pressure Regulator Valve

Using this part offers advantages such as improved performance through consistent fuel pressure, enhanced reliability by preventing pressure-related issues, and increased efficiency by optimizing fuel delivery, leading to better fuel economy and reduced emissions 5.

Troubleshooting and Maintenance Suggestions

To maintain the longevity and performance of the 3973035, it is important to be aware of common issues such as leaks, inconsistent pressure regulation, or valve sticking. Troubleshooting involves checking for leaks, ensuring proper connections, and inspecting the valve for wear or damage. Regular maintenance includes cleaning the valve and its components, checking for proper operation, and replacing the valve if necessary 6.

Integration with Cummins Engines

The 3973035 is designed to work seamlessly with Cummins engines, enhancing performance and reliability. Its integration ensures the fuel system operates within specified parameters, contributing to engine efficiency, power output, and durability 7.

Historical Development and Technological Advancements

The development of pressure regulator valves, including the 3973035, has evolved with significant contributions from manufacturers like Cummins. This model incorporates advancements such as improved materials, precision manufacturing techniques, and innovative design features that enhance performance and reliability 8.

Cummins: A Brief Overview

Cummins Inc. is a global leader in power solutions, including engines, filtration, and emissions technologies. With a history of over a century, Cummins is known for its commitment to innovation, quality, and customer satisfaction, focusing on engine design, aftermarket services, and sustainability 9.

Compatibility of the Cummins Pressure Regulator Valve (Part 3973035)

The Cummins Pressure Regulator Valve, part number 3973035, is compatible with various Cummins engines, ensuring efficient operation and optimal performance. It is designed to regulate fuel pressure, crucial for engine efficiency and longevity.

B4.5 Engine Series

The B4.5 engine series, known for reliability and performance, utilizes the Pressure Regulator Valve to maintain correct fuel pressure, essential for smooth operation and longevity 10.

Other Cummins Engines

Beyond the B4.5 series, the Pressure Regulator Valve is compatible with other Cummins engines, ensuring consistent performance and efficiency across various models 11.

Group Compatibility

The Pressure Regulator Valve is part of a group of components designed for specific Cummins engine families, tailored to meet unique requirements and ensure reliable fuel pressure maintenance 12.

Role of Part 3973035 Pressure Regulator Valve in Engine Systems

The 3973035 Pressure Regulator Valve is crucial for maintaining optimal pressure levels within engine systems. It regulates fuel pressure delivered to the engine, ensuring efficient and reliable fuel system operation.

Integration with Fuel Injection Pump

When integrated with a Fuel Injection Pump, the Pressure Regulator Valve modulates fuel pressure before injection, ensuring optimal atomization and combustion for engine performance and fuel efficiency 13.

Coordination with Fuel Pump

In conjunction with a Fuel Pump, the Pressure Regulator Valve maintains consistent fuel pressure within the fuel lines, preventing issues such as fuel starvation or over-pressurization 14.

Interaction with General Pump Systems

For general Pump systems, the Pressure Regulator Valve stabilizes fuel flow and pressure, ensuring a steady supply of fuel at the correct pressure for smooth engine operation 15.

Fuel System Regulation

Within the broader Fuel system, the Pressure Regulator Valve fine-tunes fuel pressure from the tank to the engine, crucial for the efficient operation of mechanical and electronic fuel injection systems 16.

Fuel Injection System Optimization

In Fuel Injection systems, the Pressure Regulator Valve ensures injectors receive fuel at the optimal pressure, leading to improved engine efficiency, reduced emissions, and enhanced drivability 17.

By managing fuel pressure across these components, the 3973035 Pressure Regulator Valve contributes to the overall efficiency, performance, and reliability of the engine system.

Conclusion

The Cummins 3973035 Pressure Regulator Valve is a vital component in the fuel systems of commercial trucks, particularly those equipped with Cummins engines. Its role in maintaining consistent fuel pressure is crucial for efficient engine operation, improved performance, and enhanced reliability. Regular maintenance and troubleshooting are essential to ensure its longevity and optimal performance. The compatibility of this part with various Cummins engines underscores its versatility and importance in the automotive industry.

  1. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

    ↩

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

    ↩

  3. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

    ↩

  4. Nunney, M.J. (2007). Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann.

    ↩

  5. General Information. (n.d.). Bulletin Number 3666143: Operation and Maintenance Manual.

    ↩

  6. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

    ↩

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

    ↩

  8. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

    ↩

  9. Nunney, M.J. (2007). Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann.

    ↩

  10. General Information. (n.d.). Bulletin Number 3666143: Operation and Maintenance Manual.

    ↩

  11. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

    ↩

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

    ↩

  13. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

    ↩

  14. Nunney, M.J. (2007). Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann.

    ↩

  15. General Information. (n.d.). Bulletin Number 3666143: Operation and Maintenance Manual.

    ↩

  16. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

    ↩

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

    ↩

SPECIFICATIONS

Package Dimensions
1.25 x 0.75 x 0.75 in
Weight
0.063 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.

Frequently Asked Questions

Have a question? Find common inquiries about parts and procedures with the link below.

FAQ PAGE

Get in Touch

Something specific? Our support team is ready to assist you with whatever you may need.

Drop us a line. 1-800-466-1571

fast

Fast Delivery

We offer same day fulfillment Mon-Fri until 5pm EST.

Genuine

Genuine Product

We only sell real OEM truck parts designed specifically for your truck.

Trust

Trusted Experience

We're a fourth generation truck dealership family operating in Los Angeles since 1922.