3931599RX
Fuel Injection Pump
Cummins®

DISCONTINUED

Cummins®

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

Introduction

The Cummins 3931599RX Fuel Injection Pump is a component designed for use in commercial trucks. It plays a role in the fuel delivery system by ensuring that diesel fuel is delivered to the engine cylinders at the correct timing and pressure. This part is integral to the efficient operation of the truck, contributing to its overall performance and reliability.

Basic Concepts of Fuel Injection Pumps

A fuel injection pump is a device that pressurizes and delivers fuel to the engine’s combustion chambers. In diesel engines, this pump operates by creating high-pressure fuel that is injected into the cylinders at precise moments in the engine cycle. There are two primary types of fuel injection systems: mechanical and electronic. Mechanical systems rely on physical components and cam-driven mechanisms to control fuel delivery, whereas electronic systems use sensors and computer controls to manage fuel injection more precisely 1.

Purpose and Function of the 3931599RX Fuel Injection Pump

The 3931599RX is responsible for delivering diesel fuel to the engine cylinders with exact timing and pressure. It ensures that the fuel is injected at the optimal moment in the engine cycle, which is important for efficient combustion and engine performance. This part operates by using a cam-driven mechanism to pressurize fuel and deliver it through injectors into the cylinders 2.

Key Features

The 3931599RX Fuel Injection Pump is characterized by several key features that enhance its performance and reliability. Its design incorporates high-quality materials to withstand the rigors of commercial truck operation. Additionally, it includes advanced technological aspects such as precise fuel metering and robust construction, which contribute to its durability and efficiency 3.

Benefits of Using the 3931599RX Fuel Injection Pump

Utilizing this Cummins part offers several advantages. It provides improved fuel efficiency by ensuring that fuel is delivered at the optimal pressure and timing. This results in enhanced engine performance and reduced emissions, making it an environmentally friendly choice. The pump’s reliable operation also contributes to the overall efficiency and longevity of the truck’s engine 4.

Installation and Integration

Proper installation and integration of the Fuel Injection Pump into a truck’s engine system are important for its effective operation. It is necessary to follow the manufacturer’s specifications during installation to ensure that the pump functions correctly within the engine system. This includes proper alignment, secure mounting, and correct connection of all fuel lines and electrical components.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and efficiency of the 3931599RX. This includes periodic inspection of fuel lines, filters, and the pump itself for signs of wear or damage. Common issues may include fuel leaks, irregular engine performance, or difficulty starting the engine. Troubleshooting tips involve checking for proper fuel pressure, ensuring all connections are secure, and addressing any signs of wear or malfunction promptly.

Performance and Efficiency

The 3931599RX plays a role in the overall performance and efficiency of the truck by providing precise fuel delivery. Its ability to maintain consistent fuel pressure and timing contributes to smooth engine operation and optimal combustion. This precision in fuel delivery is important for achieving maximum engine efficiency and power output.

Safety Considerations

When working with the 3931599RX, it is important to observe safety practices and precautions. Potential hazards include high-pressure fuel lines and electrical components. To mitigate these risks, it is advisable to wear appropriate personal protective equipment, ensure the engine is off before performing any maintenance, and follow all safety guidelines provided by the manufacturer.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer of diesel engines and related components. The company has a long history of innovation and quality in the industry. Cummins is known for its commitment to developing reliable and efficient engine solutions, which has earned it a strong reputation among commercial truck operators and manufacturers.

Conclusion

The 3931599RX Fuel Injection Pump is a critical component in the fuel delivery system of commercial trucks. Its precise fuel delivery, robust construction, and reliable operation contribute to the overall performance and efficiency of the truck. Proper installation, regular maintenance, and adherence to safety practices are essential for maximizing the benefits of this part.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. Bruce Maclaurin, High Speed Off-Road Vehicles, Wiley, 2018.

  3. Michael Hilgers, Transmissions and Drivetrain Design, Springer Vieweg, 2022.

  4. Martynn Randall, Haynes Manual on Diesel Engines, Haynes Publishing, 2015.

SPECIFICATIONS

Package Dimensions
24.75 x 13.625 x 12.25 in
Weight
50.74 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.