3914299RX
Fuel Injection Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4,899.95 $5,830.94
Refundable Core Charge: $389.95

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 3914299RX Fuel Injection Pump is a component designed for use in heavy-duty trucks. It serves the purpose of delivering fuel to the engine’s combustion chambers at precise moments and in specific quantities. This part is significant in the operation of heavy-duty trucks as it ensures efficient fuel delivery, which is vital for optimal engine performance and fuel economy.

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, the pump plays a role in atomizing fuel into a fine mist, which enhances combustion efficiency 1. 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 2.

Role of the 3914299RX Fuel Injection Pump in Truck Operation

The 3914299RX Fuel Injection Pump is integral to the functioning of a truck’s diesel engine. It operates by drawing fuel from the tank, pressurizing it, and delivering it to the injectors at the correct time in the engine cycle. This precise fuel delivery contributes to efficient combustion, which in turn affects the engine’s power output, fuel efficiency, and emissions levels 3.

Key Features of the 3914299RX Fuel Injection Pump

The 3914299RX Fuel Injection Pump is characterized by its robust design and construction, which includes high-quality materials to withstand the demanding conditions of heavy-duty truck operation. It incorporates advanced technological features that enhance its performance and reliability. These features may include precision-machined components, durable seals, and sophisticated control mechanisms that ensure accurate fuel delivery.

Benefits of Using the 3914299RX Fuel Injection Pump

Utilizing the 3914299RX Fuel Injection Pump offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered in the optimal quantity and at the precise moment. This results in more complete combustion and reduced fuel consumption. Additionally, the pump enhances engine performance by providing consistent and reliable fuel delivery, which is critical for maintaining engine power and responsiveness. Its design also promotes durability and reliability, reducing the likelihood of downtime due to pump failure.

Troubleshooting and Maintenance Suggestions

To maintain the 3914299RX Fuel Injection Pump’s performance, it is important to address common issues promptly. These may include leaks, irregular fuel delivery, or engine performance issues. Recommended troubleshooting steps involve checking for proper fuel pressure, inspecting for leaks, and ensuring that all connections are secure. Regular maintenance practices, such as cleaning or replacing filters, inspecting fuel lines, and performing routine checks on the pump’s operation, can help ensure optimal performance and longevity.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the diesel engine and component manufacturing industry. The company’s expertise in engine technology and commitment to customer satisfaction have made it a trusted name in the heavy-duty truck and power generation sectors.

Conclusion

The Cummins 3914299RX Fuel Injection Pump is a critical component for heavy-duty trucks, ensuring efficient fuel delivery and enhancing engine performance. Its robust design, advanced features, and reliable operation make it a valuable asset for truck operators. Regular maintenance and prompt troubleshooting are essential to maximize the pump’s performance and longevity.


  1. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  2. Osgood, Libby, Cameron, Gayla, and Christensen, Emma. Engineering Mechanics: Statics. Creative Commons, 2024.

  3. Boger, Thorsten, and Cutler, Willard. Reducing Particulate Emissions in Gasoline Engines. SAE International, 2018.

RELATED PARTS

SPECIFICATIONS

Package Dimensions
21.6 x 17.0 x 12.75 in
Weight
28.65 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.