4934733
Pressure Regulator Valve
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$174.95 $208.19

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 4934733 Pressure Regulator Valve is a component designed to maintain system efficiency in commercial truck operations. It ensures that the pressure within the system remains within specified limits, which is vital for the optimal performance of various truck systems.

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 constant pressure, regardless of changes in the system 1. The principles of pressure regulation involve the use of a spring-loaded diaphragm or piston that responds to changes in pressure. Typical components of a Pressure Regulator Valve include a housing, a diaphragm or piston, a spring, and an adjustment screw 2.

Purpose of the 4934733 Pressure Regulator Valve

The 4934733 Pressure Regulator Valve plays a specific role in the operation of a truck by regulating the pressure of the fuel or air system. This regulation contributes to the overall performance and efficiency of the truck’s systems by ensuring that the pressure remains consistent, which is necessary for the proper functioning of engines and other components 3.

Key Features

This Cummins part features a robust design that includes a durable housing made from high-quality materials, ensuring longevity and reliability. It incorporates a precision-machined diaphragm or piston that provides accurate pressure regulation. Additionally, the valve may include adjustable settings to fine-tune the pressure according to specific system requirements.

Benefits

Using the 4934733 Pressure Regulator Valve offers several benefits, including improved system reliability due to consistent pressure maintenance. It enhances the performance of the truck’s systems by ensuring that components operate within their optimal pressure range. Over time, this can lead to potential cost savings by reducing the need for frequent repairs and maintenance.

Installation and Integration

Proper installation and integration of the 4934733 Pressure Regulator Valve into a truck’s system are important for optimal performance. Guidelines for installation include ensuring that the valve is correctly positioned within the system, securely mounted, and properly connected to the relevant lines. Attention to these details helps to avoid issues that could arise from incorrect installation.

Troubleshooting Common Issues

Common issues with the 4934733 Pressure Regulator Valve may include inconsistent pressure regulation, leaks, or failure to maintain set pressure. Troubleshooting steps involve checking for obstructions in the valve, ensuring that connections are secure, and verifying that the valve settings are correctly adjusted. If issues persist, it may be necessary to inspect the valve for wear or damage.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and efficient operation of the 4934733 Pressure Regulator Valve. This includes routine checks for leaks, verifying that the valve settings remain correct, and cleaning or replacing components as necessary. Routine servicing helps to identify potential issues before they lead to system failures.

Performance Monitoring

Monitoring the performance of the 4934733 Pressure Regulator Valve can be achieved through the use of diagnostic tools and techniques. This involves assessing valve functionality and system pressure levels to ensure that the valve is operating within specified parameters. Regular performance checks help to maintain system efficiency and identify any deviations that may require attention.

Cummins Overview

Cummins Inc. is a well-established company with a history of providing quality components for the commercial truck industry. Known for its commitment to innovation and quality, Cummins manufactures a range of truck components that are designed to enhance performance and reliability. The company’s reputation is built on its dedication to producing durable and efficient parts that meet the demanding requirements of commercial truck operations.

Pressure Regulator Valve (Part 4934733) Compatibility with Cummins Engines

The Pressure Regulator Valve, identified by part number 4934733, is a critical component in the fuel system of various Cummins engines. This part is designed to maintain the optimal fuel pressure required for efficient engine operation, ensuring that the engine receives the correct amount of fuel at the right pressure.

ISB CM2150 and ISB6.7 CM2250

The ISB CM2150 and ISB6.7 CM2250 engines both benefit from the precise regulation provided by the 4934733 Pressure Regulator Valve. These engines are known for their robust performance and reliability, and the pressure regulator valve plays a crucial role in maintaining the fuel system’s integrity. By ensuring that the fuel pressure remains within the specified range, this part helps to optimize engine performance and fuel efficiency.

ISM CM876 and ISM11 CM876 SN

The ISM CM876 and ISM11 CM876 SN engines also integrate the 4934733 Pressure Regulator Valve seamlessly. These engines are designed for heavy-duty applications, and the pressure regulator valve is essential for maintaining the high-pressure fuel system required for such demanding tasks. The precise regulation of fuel pressure ensures that these engines can deliver consistent power and reliability, even under heavy loads.

QSK19 CM2350 K105

The QSK19 CM2350 K105 engine, another high-performance Cummins engine, utilizes the 4934733 Pressure Regulator Valve to maintain the stringent fuel pressure requirements of its advanced fuel system. This engine is designed for applications that demand exceptional power and efficiency, and the pressure regulator valve is a key component in achieving these performance standards. By ensuring that the fuel pressure is accurately regulated, this part helps to maintain the engine’s optimal performance and longevity.

In summary, the 4934733 Pressure Regulator Valve is a vital component for the ISB CM2150, ISB6.7 CM2250, ISM CM876, ISM11 CM876 SN, and QSK19 CM2350 K105 engines, ensuring that each engine operates at peak efficiency and reliability.

Role of Part 4934733 Pressure Regulator Valve in Engine Systems

The 4934733 Pressure Regulator Valve is integral to maintaining optimal pressure levels within various engine systems, ensuring efficient and reliable operation.

In the crankcase breather system, the valve regulates the pressure within the crankcase. This is essential for preventing the buildup of excessive pressure, which could lead to oil leaks or damage to the crankcase components. By maintaining a stable pressure, the valve ensures that the crankcase breather can effectively vent gases and moisture, keeping the crankcase environment clean and dry.

The valve also plays a significant role in the breather arrangement. It ensures that the breather system can operate within specified pressure limits, facilitating the removal of contaminants and excess gases from the engine. This helps in preserving the integrity of the engine’s internal components and enhancing overall performance.

Furthermore, the 4934733 Pressure Regulator Valve contributes to the efficient functioning of the crankcase ventilation system. By controlling the pressure, it assists in the proper circulation of gases, reducing the risk of pressure-related issues that could affect engine efficiency and longevity.

In summary, the 4934733 Pressure Regulator Valve is a key component in ensuring that pressure levels within the engine systems are maintained, thereby supporting the reliable operation of the crankcase breather, breather arrangement, and crankcase ventilation systems.

Conclusion

The 4934733 Pressure Regulator Valve is a critical component in maintaining the efficiency and reliability of commercial truck systems. By ensuring consistent pressure levels, this part supports the optimal performance of various engine systems, including the crankcase breather, breather arrangement, and crankcase ventilation systems. Regular maintenance and monitoring are essential to ensure the longevity and efficient operation of the valve.


  1. Reif, Konrad Ed. Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer, 2014.

  2. Gillespie, Thomas D. Fundamentals of Vehicle Dynamics. SAE International, 2021.

  3. Aird, Forbes. Bosch Fuel Injection Systems. HP Books, 2001.

SPECIFICATIONS

Package Dimensions
5.8 x 4.4 x 6.7 in
Weight
0.685 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.