3093635
Fuel Injection Pump
Cummins®

Introduction

The Cummins 3093635 Fuel Injection Pump is a critical component for commercial trucks, ensuring precise fuel delivery to the engine. This part is essential for maintaining the performance and efficiency of diesel engines, especially in heavy-duty applications.

Basic Concepts of Fuel Injection Pumps

A fuel injection pump pressurizes and delivers fuel to the engine’s combustion chambers at the correct time and in the right amount to optimize performance ¹. In diesel engines, this pump ensures high-pressure fuel delivery, necessary for efficient atomization and mixing with air before ignition ².

Purpose of the Cummins 3093635 Fuel Injection Pump

This Cummins part is designed to deliver fuel in a controlled and precise manner, ensuring optimal injection timing and pressure. This enhances combustion efficiency and overall engine performance, engineered to work seamlessly with Cummins engines.

Key Features

The 3093635 features a robust design with precision-machined components for accurate fuel delivery. It incorporates advanced technology to maintain consistent performance under varying conditions. The pump’s construction ensures durability and longevity, suitable for commercial trucking environments.

Benefits

This part offers improved fuel efficiency through precise fuel delivery. It enhances engine performance by ensuring optimal combustion and contributes to the engine’s overall efficiency and longevity.

Installation and Integration

Installing the 3093635 requires careful preparation and integration with other engine components. Following the manufacturer’s guidelines ensures proper installation, involving alignment with the engine’s fuel system and secure, leak-free connections.

Performance and Efficiency

The 3093635 plays a role in the engine’s performance and efficiency by providing consistent and precise fuel delivery. This ensures optimal engine operation, leading to better fuel economy and reduced emissions.

Common Issues and Troubleshooting

Common issues may include leaks, inconsistent fuel delivery, or pump failure. Troubleshooting involves checking for proper installation, inspecting for leaks, and ensuring all components function correctly. Regular maintenance can prevent many issues.

Maintenance Tips

Regular maintenance is recommended to ensure the longevity and optimal performance of the 3093635. This includes checking for leaks, ensuring secure connections, and following the manufacturer’s service intervals for inspection and replacement of wear components.

Cummins Company Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. The company is renowned for its high-quality diesel engines and components, demonstrating expertise through innovation, quality, and customer satisfaction.

Cummins Fuel Injection Pump 3093635 Compatibility

The Cummins Fuel Injection Pump part number 3093635 is designed for compatibility with a range of engines, ensuring optimal performance and reliability. It meets the stringent demands of various engine configurations, providing consistent fuel delivery and efficiency.

QST30 CM552 Engines

The 3093635 is specifically compatible with the QST30 CM552 engines, known for their robust construction and high performance. The pump’s design ensures it can handle the specific fuel requirements and operational conditions of these engines.

Grouped Engine Compatibility

Beyond the QST30 CM552 engines, the 3093635 is also compatible with other similar engine models within the Cummins lineup. This compatibility ensures the pump can be used across a broader range of applications without compromising performance or reliability.

Role of Part 3093635 Fuel Injection Pump in Engine Systems

The Fuel Injection Pump (part 3093635) is integral to modern engine systems, ensuring efficient and precise fuel delivery. It pressurizes fuel and delivers it to the injectors at the correct time and quantity.

Interaction with the Fuel Pump Kit

When integrated with a Fuel Pump Kit, the Fuel Injection Pump enhances the overall fuel system performance. The kit includes a low-pressure fuel pump, fuel filter, and necessary lines and fittings. The low-pressure pump draws fuel from the tank and delivers it to the Fuel Injection Pump, which then increases the pressure to the levels required for injection.

Detailed Component Interaction

1. Fuel Tank: The system begins with the fuel stored in the tank. The low-pressure pump within the Fuel Pump Kit draws this fuel, initiating the flow.

2. Fuel Lines: These transport the fuel from the tank to the Fuel Injection Pump. Proper routing and secure connections are essential to maintain consistent fuel flow.

3. Fuel Filter: Positioned within the Fuel Pump Kit, the filter removes impurities from the fuel before it reaches the high-pressure Fuel Injection Pump. This ensures that only clean fuel is pressurized and injected.

4. Fuel Injection Pump (Part 3093635): This component receives the filtered, low-pressure fuel and increases its pressure significantly. It then meters and times the fuel delivery to the injectors.

5. Fuel Injectors: The high-pressure fuel from the Fuel Injection Pump is delivered to these injectors, which spray atomized fuel into the combustion chambers at precise moments for optimal combustion.

6. Engine Control Unit (ECU): The ECU monitors various engine parameters and adjusts the Fuel Injection Pump’s operation to maintain optimal fuel delivery under all operating conditions.

Conclusion

Understanding how the 3093635 Fuel Injection Pump interacts with these components allows engineers and mechanics to better diagnose issues, perform maintenance, and optimize engine performance. Regular maintenance and proper installation are key to ensuring the longevity and efficiency of this critical component.