3281323
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$89.95 $107.04

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 Fuel Injector Supply Tube 3281323 is a component designed for use in commercial trucks, specifically within the fuel delivery system. Its purpose is to facilitate the efficient transfer of fuel from the fuel tank to the injectors, ensuring that the engine receives a consistent and adequate fuel supply. Cummins, a well-established manufacturer in the commercial truck industry, produces this part, leveraging its expertise in engine components to deliver reliable and high-performance solutions 1.

Basic Concepts of Fuel Injector Supply Tubes

A Fuel Injector Supply Tube is a conduit within the fuel system that plays a role in transporting fuel from the fuel tank to the injectors. This component is integral to the engine’s operation, as it ensures that fuel is delivered under the correct pressure and in the right quantity to facilitate combustion. The efficiency of this tube directly influences the engine’s performance, fuel economy, and emissions 2.

Purpose of the 3281323 Fuel Injector Supply Tube

The 3281323 Fuel Injector Supply Tube is specifically designed to enhance the fuel delivery system in trucks. It ensures that fuel flows smoothly and consistently to the injectors, which is vital for maintaining engine performance. By providing a reliable pathway for fuel, this tube helps in achieving optimal combustion, which in turn supports the engine’s efficiency and power output 3.

Key Features

The 3281323 Fuel Injector Supply Tube boasts several key features that contribute to its performance and durability. It is constructed from high-quality materials that resist corrosion and wear, ensuring longevity. The design includes precise engineering to maintain fuel pressure and flow, and it incorporates features that prevent leaks and ensure a secure connection within the fuel system.

Benefits

The use of the 3281323 Fuel Injector Supply Tube offers several benefits. It contributes to improved fuel efficiency by ensuring that fuel is delivered efficiently to the injectors. This results in better engine performance and reduced fuel consumption. Additionally, the tube’s reliable operation enhances the overall reliability of the truck’s fuel system, leading to fewer disruptions and maintenance requirements.

Installation Process

Installing the 3281323 Fuel Injector Supply Tube involves several steps to ensure it is correctly positioned and securely connected within the fuel system. The process requires specific tools and attention to detail to avoid common pitfalls such as leaks or improper connections. Careful adherence to the manufacturer’s guidelines is recommended to achieve a successful installation.

Maintenance and Care

Regular maintenance and care of the 3281323 Fuel Injector Supply Tube are important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, cleaning to remove any contaminants, and addressing any issues promptly to prevent further complications. Knowing when to consider replacement is also a part of maintaining this component effectively.

Troubleshooting Common Issues

Common issues with the 3281323 Fuel Injector Supply Tube may include leaks, blockages, or a decline in performance. Troubleshooting these issues involves a systematic approach to identify the root cause, whether it be a faulty connection, debris in the fuel line, or material degradation. Addressing these problems promptly can help maintain the efficiency and reliability of the fuel system.

Compatibility and Applications

The 3281323 Fuel Injector Supply Tube is designed for specific types of trucks and engines, with considerations for compatibility across different models. Understanding the compatibility requirements and any special considerations for installation is important for ensuring that the tube functions correctly within the intended application.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its history of innovation and commitment to quality. The company’s reputation is built on its expertise in engine components, including fuel systems, and its dedication to delivering reliable and high-performance solutions for the trucking industry.

Cummins Fuel Injector Supply Tube (Part 3281323) Compatibility

The Cummins Fuel Injector Supply Tube, identified by part number 3281323, is a component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel pump to the fuel injectors.

6C8.3 Engine

The 6C8.3 engine is a part of the Cummins B Series engine family, known for its robust performance and reliability in various applications. The Fuel Injector Supply Tube (3281323) is specifically designed to fit seamlessly within the fuel system architecture of the 6C8.3 engine. This part is essential for maintaining the integrity of the fuel delivery system, ensuring that fuel is delivered consistently and accurately to the injectors. The design of the supply tube is engineered to withstand the high pressures and temperatures typical of diesel engines, contributing to the overall efficiency and longevity of the engine.

In the 6C8.3 engine, the supply tube connects the fuel pump to the fuel injectors, ensuring a steady and uninterrupted flow of fuel. This connection is crucial for the engine’s performance, as any disruption in fuel delivery can lead to inefficiencies and potential engine damage. The use of high-quality materials in the construction of the supply tube ensures that it can handle the rigors of continuous operation, providing a reliable component in the engine’s fuel system.

By integrating the Fuel Injector Supply Tube (3281323) into the 6C8.3 engine, Cummins maintains the high standards of performance and reliability that are characteristic of their engine designs. This part is a testament to Cummins’ commitment to providing durable and efficient components for their engines.

Role of Part 3281323 Fuel Injector Supply Tube in Engine Systems

The part 3281323 Fuel Injector Supply Tube is a component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel rail to the individual fuel injectors. This tube ensures a consistent and regulated flow of fuel, which is vital for the precise operation of the fuel injectors.

Integration with Fuel Rail

The Fuel Injector Supply Tube connects directly to the fuel rail, which is a manifold that distributes fuel to each injector. The tube’s design allows it to fit securely into the fuel rail, ensuring a leak-free connection. This setup maintains the integrity of the fuel system, preventing any fuel leaks that could lead to performance issues or safety hazards.

Connection to Fuel Injectors

Each fuel injector is supplied with fuel through the Fuel Injector Supply Tube. The tube’s precise diameter and smooth interior surface minimize fuel turbulence, ensuring that fuel reaches the injectors at the correct pressure and flow rate. This consistent fuel delivery is essential for the injectors to atomize the fuel properly, leading to efficient combustion within the engine cylinders.

Role in Fuel Pressure Regulation

The Fuel Injector Supply Tube works in conjunction with the fuel pressure regulator to maintain the desired fuel pressure within the system. By providing a direct and unobstructed path for fuel flow, the tube helps the regulator to effectively control pressure, which is crucial for the injectors to operate within their specified parameters.

Interaction with Plumbing Components

In the broader context of engine plumbing, the Fuel Injector Supply Tube is a key component that interfaces with various plumbing elements such as fuel lines, connectors, and filters. Its role is to ensure that fuel is delivered efficiently and without contamination, contributing to the overall reliability and performance of the fuel system.

Fuel System Efficiency

The efficient design of the Fuel Injector Supply Tube enhances the overall efficiency of the fuel system. By ensuring a smooth and consistent flow of fuel, it supports the engine’s ability to maintain optimal performance across a range of operating conditions. This efficiency is particularly important in high-performance engines where precise fuel delivery can significantly impact engine output and fuel economy.

Conclusion

The 3281323 Fuel Injector Supply Tube by Cummins is a critical component in the fuel delivery system of commercial trucks. Its design and construction ensure efficient and reliable fuel transfer, contributing to engine performance, fuel economy, and emissions control. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.


  1. Hilgers, Michael. The Drivers Cab. Springer Vieweg, 2022.

  2. Huzij, Robert, Angelo Spano, and Sean Bennett. Modern Diesel Technology Heavy Equipment Systems. Delmar Cengage Learning, 2014.

  3. Cummins Inc. General Information. Bulletin Number 4915524, Owners Manual.

SPECIFICATIONS

Comments
#1 Cylinder
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
11.0 x 9.3 x 2.25 in
Weight
0.65 lbs
* 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.