3035684
Fuel Pump Body
Cummins®

Introduction

The Cummins 3035684 Fuel Pump Body is a component designed for use in the fuel systems of heavy-duty trucks. It plays a role in ensuring the efficient operation of the engine by managing the delivery of fuel. This part is integral to maintaining the performance and reliability of the vehicle’s power system.

Basic Concepts of Fuel Pump Body

The operation of a fuel pump body is based on the principle of pressurizing fuel to ensure it is delivered efficiently to the engine. This process involves drawing fuel from the tank, increasing its pressure, and sending it through the fuel lines to the injectors. The fuel pump body houses critical components that work together to achieve this pressurization and delivery ¹.

Purpose of the Cummins 3035684 Fuel Pump Body

The Cummins 3035684 Fuel Pump Body serves a specific function within the truck’s fuel system. It acts as the housing for the fuel pump and other related components, playing a role in the system by providing a secure and efficient environment for these parts to operate. Its design contributes to the overall performance of the engine by ensuring a consistent supply of pressurized fuel ².

Key Features

The Cummins 3035684 Fuel Pump Body is characterized by its robust design and the materials used in its construction. It is built to withstand the demanding conditions of heavy-duty truck operation. Features such as precise engineering and durable materials enhance its performance and longevity. Additionally, its design allows for easy integration with other fuel system components.

Benefits

Utilizing the Cummins 3035684 Fuel Pump Body in a truck’s fuel system can lead to several advantages. These include improved fuel efficiency due to the efficient delivery of fuel, enhanced engine performance as a result of consistent fuel pressure, and increased reliability of the fuel system. These benefits contribute to the overall effectiveness and durability of the vehicle ³.

Installation and Integration

When installing the Cummins 3035684 Fuel Pump Body, it is important to follow manufacturer guidelines to ensure proper integration within the truck’s fuel system. This may involve preparing the fuel lines, ensuring compatibility with existing components, and verifying that all connections are secure. Careful installation helps maintain the integrity of the fuel system and ensures optimal performance.

Troubleshooting and Maintenance

To maintain the Cummins 3035684 Fuel Pump Body and address any issues that may arise, regular inspections and maintenance are recommended. This includes checking for leaks, ensuring all connections are tight, and monitoring the performance of the fuel system. Troubleshooting common problems may involve inspecting the fuel lines, verifying the operation of the fuel pump, and addressing any signs of wear or damage.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a strong reputation in the industry for producing high-quality automotive components. The company has a history of innovation and commitment to quality, which is reflected in its product line, including the Cummins 3035684 Fuel Pump Body. Cummins’ dedication to excellence ensures that their components meet the rigorous demands of heavy-duty applications.

Compatibility

The Cummins Fuel Pump Body part number 3035684 is designed to fit seamlessly with a variety of engine models, ensuring optimal fuel delivery and engine performance. This part is engineered to meet the specific requirements of the engines it is compatible with.

Compatible Engines

• K19, K38, K50 Engines

The 3035684 Fuel Pump Body is specifically tailored for the K19, K38, and K50 engines. These engines benefit from the precise fuel management that this component provides, ensuring efficient operation and longevity.

• L10 MECHANICAL

The L10 MECHANICAL engine is another model that integrates well with the 3035684 Fuel Pump Body. This compatibility ensures that the engine receives the correct fuel pressure and flow, enhancing overall performance and reliability.

• N14 MECHANICAL

Similarly, the N14 MECHANICAL engine is designed to work with the 3035684 Fuel Pump Body. This part ensures that the engine operates smoothly, with consistent fuel delivery that meets the demands of heavy-duty applications.

• NH/NT 855 Engines

The NH/NT 855 engines also utilize the 3035684 Fuel Pump Body. This compatibility is crucial for maintaining the high performance and efficiency expected from these engines, particularly in demanding environments.

Grouping for Clarity

The Cummins Fuel Pump Body 3035684 is grouped into two main categories based on engine types:

1. K Series Engines (K19, K38, K50)
2. L10 MECHANICAL, N14 MECHANICAL, and NH/NT 855 Engines

This grouping helps in understanding the broad compatibility of the part across different engine models, ensuring that users can easily identify which engines the part fits.

Understanding the Role of Part 3035684 Fuel Pump Body in Engine Systems

The Part 3035684 Fuel Pump Body is an integral component in various engine systems, ensuring efficient fuel delivery and management. Its role is multifaceted, interacting with several other components to maintain optimal engine performance.

Integration with Fuel Systems

1. Fuel Pump and Governor Sump: The Fuel Pump Body works in conjunction with the Fuel Pump and Governor Sump to regulate fuel pressure and flow. This ensures that the engine receives a consistent supply of fuel, which is essential for stable operation.

2. Fuel Base Pump: In systems utilizing a Fuel Base Pump, the Fuel Pump Body helps in housing and supporting the base pump mechanism. This integration is vital for the initial stages of fuel pressurization before it is delivered to the engine.

3. Fuel (Variable Speed) Pump: For engines equipped with a Fuel (Variable Speed) Pump, the Fuel Pump Body adapts to varying speed requirements. It ensures that the pump can modulate fuel delivery according to the engine’s demand, enhancing efficiency and performance.

Compatibility with Aftercooler Systems

1. Aftercooler - Variable Speed: In engines with an Aftercooler - Variable Speed system, the Fuel Pump Body plays a role in maintaining fuel integrity as the air charge is cooled. This is particularly important in high-performance engines where precise fuel delivery is necessary to optimize combustion.

2. Aftercooler Variable Speed Hydraulic Assembly: The Fuel Pump Body interfaces with the Aftercooler Variable Speed Hydraulic Assembly to ensure that fuel delivery is synchronized with the hydraulic operations of the aftercooler. This coordination is essential for maintaining engine efficiency and reducing emissions.

Specialized Applications

1. AFC VS Fuel Pump / TMD: In systems utilizing an AFC VS Fuel Pump with TMD (Turbocharger Management Device), the Fuel Pump Body is designed to handle the specific demands of turbocharged engines. It ensures that fuel delivery is precise and responsive to the turbocharger’s operation.

2. Non-AFC VS FP/Gov. Sump and Non-AFC VS FP/WW Sump: For engines without AFC VS configurations, the Fuel Pump Body still plays a significant role in housing and supporting the fuel pump and governor sump or WW (Wastegate) sump. This ensures that fuel management remains efficient even in non-variable speed applications.

Fuel Housing and Pump Assemblies

1. Fuel Housing: The Fuel Pump Body often incorporates the Fuel Housing, providing a secure and efficient environment for the fuel pump components. This integration helps in reducing fuel leaks and enhancing the overall reliability of the fuel system.

2. Fuel Pump and Drive: In systems where the Fuel Pump and Drive are integrated, the Fuel Pump Body supports the mechanical drive components, ensuring smooth operation and reliable fuel delivery.

Non-Variable Speed Applications

1. Non Aftercooler - Variable Speed: For engines without an aftercooler or variable speed components, the Fuel Pump Body still serves as a critical housing and support structure for the fuel pump. It ensures that the fuel system remains compact and efficient.

2. Non-AFC VS FP/Gov. Sump and Non-AFC VS FP/WW Sump: In these configurations, the Fuel Pump Body adapts to support the specific requirements of the fuel governor or wastegate sump, ensuring that fuel delivery is consistent and reliable.

Uncalibrated Fuel Systems

1. Pump, Fuel Uncalibrated: In systems where the fuel pump is uncalibrated, the Fuel Pump Body provides a standardized housing that can be adapted to various fuel pump configurations. This flexibility is essential for maintaining compatibility across different engine designs.

Conclusion

The Part 3035684 Fuel Pump Body is a versatile and essential component in various engine systems. Its role in housing, supporting, and integrating with other fuel system components ensures efficient and reliable fuel delivery, which is fundamental to engine performance and longevity.