3696195
Pressure Regulator Plunger
Cummins®

The Cummins 3696195 Pressure Regulator Plunger is a component designed to maintain consistent fuel pressure within the fuel system of heavy-duty trucks. Its role is significant in ensuring the engine operates efficiently and reliably under various conditions.

Basic Concepts of Pressure Regulator Plunger

Pressure regulator plungers operate on the principle of maintaining a steady fuel pressure despite fluctuations in demand or supply. Within a fuel system, the plunger adjusts to changes in fuel pressure by moving in response to spring tension and fuel pressure differentials. This mechanism ensures that the fuel injectors receive a consistent fuel supply, which is vital for stable engine operation and performance ¹.

Role in Truck Operation

This Cummins part plays a role in the fuel system by regulating the pressure of the fuel delivered to the injectors. This regulation is crucial for the injectors to atomize the fuel properly, ensuring efficient combustion. Proper fuel pressure contributes to overall engine performance by supporting optimal fuel delivery, which in turn enhances power output and fuel efficiency ².

Key Features

The 3696195 Pressure Regulator Plunger is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and reliability in demanding operating conditions. The plunger’s design allows for precise pressure regulation, and its construction ensures it can withstand the rigors of heavy-duty truck operation.

Benefits

Utilizing the 3696195 Pressure Regulator Plunger in a truck’s fuel system can lead to improved fuel efficiency, as consistent fuel pressure supports more efficient combustion. Additionally, the plunger contributes to enhanced engine performance by ensuring that the fuel injectors operate under optimal conditions. The reliability of the plunger also plays a role in reducing the likelihood of fuel system-related issues, leading to increased overall truck reliability.

Troubleshooting and Maintenance

Common issues with pressure regulator plungers may include inconsistent fuel pressure, which can manifest as engine performance problems. Regular maintenance, such as inspecting for wear and ensuring the plunger moves freely, can help prevent issues. Additionally, following the manufacturer’s guidelines for service intervals and replacement can ensure the plunger continues to operate effectively.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and efficient components for a wide range of applications, including heavy-duty trucks. The company’s focus on technological advancement and customer satisfaction underscores its position as a leader in the industry.

Cummins Pressure Regulator Plunger 3696195 Compatibility

The Cummins Pressure Regulator Plunger part number 3696195 is a critical component in the fuel system of various engines. It is designed to regulate the pressure of the fuel entering the engine, ensuring optimal performance and efficiency. This part is compatible with a range of Cummins engines, including:

• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111

These engines are part of the Cummins ISG series, known for their reliability and robust performance in various applications. The Pressure Regulator Plunger ensures that the fuel pressure is maintained at the correct level, which is crucial for the engine’s operation.

• QSG12/X12 CM2350 G110
• X11 CM2670 X126B
• X12 CM2350 X119B
• X12 CM2670 X121B
• X12N CMMDG1 X143B
• X13 CM2670 X122B

These engines, part of the Cummins X series, are designed for heavy-duty applications. The Pressure Regulator Plunger in these engines plays a vital role in maintaining the fuel pressure, which is essential for the engine’s performance and longevity.

The compatibility of the Pressure Regulator Plunger 3696195 across these engines highlights its versatility and importance in ensuring the engines operate efficiently.

Role of Part 3696195 Pressure Regulator Plunger in Engine Systems

The Part 3696195 Pressure Regulator Plunger is an integral component in maintaining the precise operation of various engine systems. Its primary function is to regulate the pressure within the system, ensuring optimal performance and efficiency.

Integration with Cylinder Head

In the Cylinder Head, the Pressure Regulator Plunger works in conjunction with the valve train mechanism. It helps in maintaining consistent pressure levels, which is essential for the proper opening and closing of the valves. This ensures that the air-fuel mixture is delivered to the combustion chamber at the right time and in the right quantity.

Interaction with Cylinder Top Level Assembly Head

Within the Cylinder Top Level Assembly Head, the Pressure Regulator Plunger plays a role in stabilizing the pressure that affects the valve springs and keepers. This stability is vital for the durability and reliability of the valve operation, preventing issues such as valve float or improper seating.

Coordination with Rocker Lever

The Rocker Lever system benefits from the Pressure Regulator Plunger by receiving a consistent force transmission from the camshaft. The plunger ensures that the pressure applied to the rocker lever is within the desired range, which is crucial for the lever’s ability to amplify the cam’s motion effectively to the valves.

Functionality in Rocker Top Level Assembly Lever

In the Rocker Top Level Assembly Lever, the Pressure Regulator Plunger assists in fine-tuning the pressure that the rocker arm exerts on the valves. This precise control is necessary for achieving the correct valve lift and duration, which directly impacts the engine’s power output and fuel efficiency.

Overall, the Part 3696195 Pressure Regulator Plunger is a key element in ensuring that the various components within the engine system operate harmoniously, leading to enhanced performance and longevity of the engine.

Conclusion

The Cummins 3696195 Pressure Regulator Plunger is a vital component in the fuel system of heavy-duty trucks, ensuring consistent fuel pressure and efficient engine operation. Its robust design, compatibility with various Cummins engines, and role in maintaining engine performance make it an essential part for truck reliability and efficiency.