3356639
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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 Injector Fuel Supply Line 3356639, manufactured by Cummins, is a vital component in the fuel system of heavy-duty trucks. This part facilitates the delivery of fuel from the tank to the injectors, ensuring efficient and reliable engine operation under various conditions.

Basic Concepts of Injector Fuel Supply Lines

An Injector Fuel Supply Line is a conduit within the fuel system that transports fuel from the fuel tank to the injectors. Its function is to maintain a consistent flow of fuel at the required pressure to ensure optimal engine performance. The efficiency of this component directly influences the engine’s power output, fuel economy, and overall reliability 1.

Role of the 3356639 Injector Fuel Supply Line in Truck Operation

The 3356639 Injector Fuel Supply Line ensures that fuel is delivered to the injectors at the correct pressure and flow rate, which is essential for the engine’s combustion process. This part helps in maintaining the engine’s performance by providing a stable fuel supply, which is vital for consistent power delivery and efficient operation.

Key Features of the 3356639 Injector Fuel Supply Line

The 3356639 Injector Fuel Supply Line is designed with several features that enhance its performance and durability. It is constructed from high-quality materials that resist corrosion and wear, ensuring longevity. The design includes precise fittings and connections that prevent leaks and maintain fuel pressure. Additionally, the line is engineered to withstand the high pressures and temperatures within the fuel system, contributing to its reliability.

Benefits of Using the 3356639 Injector Fuel Supply Line

Utilizing the 3356639 Injector Fuel Supply Line offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered efficiently to the injectors. This part also enhances engine performance by maintaining consistent fuel pressure and flow, which is critical for optimal combustion. Furthermore, its robust construction and design features contribute to the overall reliability of the fuel system.

Installation and Compatibility

Proper installation of the 3356639 Injector Fuel Supply Line is crucial for its effective operation. It is designed to be compatible with specific Cummins engine models, ensuring a precise fit and function within the fuel system. Installation procedures should follow manufacturer guidelines to ensure that all connections are secure and that the line is properly routed to avoid damage or kinks.

Maintenance and Troubleshooting

Regular maintenance of the 3356639 Injector Fuel Supply Line is important to ensure its continued performance. This includes periodic inspections for signs of wear, corrosion, or leaks. Cleaning the line and its connections can prevent buildup that may restrict fuel flow. Troubleshooting common issues such as leaks or blockages involves checking connections, inspecting the line for damage, and ensuring that the fuel pressure remains within specified limits.

Common Issues and Solutions

Common problems with the 3356639 Injector Fuel Supply Line may include fuel leaks, restricted flow due to blockages, or corrosion. Solutions to these issues involve inspecting the line and connections for damage, cleaning or replacing parts as necessary, and ensuring that the fuel system is free from contaminants. Preventive measures include regular maintenance and using high-quality fuel to reduce the risk of corrosion and buildup.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins is renowned for its diesel engines and components, which are widely used in heavy-duty applications. The company’s commitment to excellence and customer satisfaction has established it as a trusted name in the automotive industry.

Cummins Injector Fuel Supply Line (Part 3356639) Compatibility

The Cummins Injector Fuel Supply Line, identified by part number 3356639, is a critical component in the fuel delivery system of various diesel engines. This part is designed to ensure a reliable and efficient transfer of fuel from the fuel pump to the injectors, maintaining optimal engine performance.

Engine Compatibility

The Injector Fuel Supply Line (3356639) is compatible with the following Cummins engine models:

  • 6C8.3: This engine is part of the Cummins C-Series lineup, known for its robust design and reliability in various industrial and commercial applications. The injector fuel supply line ensures that the 6C8.3 engine receives a consistent fuel supply, crucial for maintaining power and efficiency.

Application and Importance

In the context of the 6C8.3 engine, the injector fuel supply line plays a pivotal role in the overall functionality of the fuel system. It is engineered to withstand the high pressures and temperatures typical of diesel engines, ensuring durability and longevity. Proper installation and maintenance of this component are essential for preventing fuel leaks and ensuring the engine operates at peak performance.

The compatibility of the injector fuel supply line with the 6C8.3 engine underscores its importance in the engine’s fuel delivery mechanism. Cummins has designed this part to meet the stringent requirements of their engines, ensuring that it fits seamlessly and functions effectively within the engine’s architecture.

Role of Part 3356639 Injector Fuel Supply Line in Engine Systems

The Injector Fuel Supply Line, part 3356639, is an essential component in the fuel delivery system of an engine. It is responsible for transporting pressurized fuel from the fuel rail to the fuel injectors. This part ensures a consistent and reliable fuel supply, which is fundamental for the injectors to atomize fuel efficiently into the combustion chamber.

Integration with Fuel Plumbing

The Injector Fuel Supply Line is a key element in the fuel plumbing system. It connects the fuel rail to the individual fuel injectors, forming a network that allows fuel to be distributed evenly. The line is designed to withstand high pressures and temperatures, ensuring that fuel is delivered without leaks or disruptions. Proper installation and maintenance of this line are vital for the overall integrity of the fuel plumbing system.

Connection to Injector Fuel Supply Tube

Part 3356639 interfaces directly with the Injector Fuel Supply Tube, which is part of the fuel injector assembly. This connection is critical for the precise delivery of fuel to each cylinder. The supply line must be securely attached to the tube to prevent any fuel leakage, which could lead to inefficient combustion and potential engine damage. The design of the connection points often includes O-rings or seals to maintain a tight and leak-free fit.

Ensuring Efficient Fuel Delivery

The efficiency of the fuel delivery system depends heavily on the performance of the Injector Fuel Supply Line. It must be capable of handling the specific fuel pressure requirements of the engine it serves. Any restriction or damage to this line can result in uneven fuel distribution, leading to poor engine performance and increased emissions. Regular inspection and replacement of the supply line, when necessary, are recommended to maintain optimal engine function 2.

Conclusion

The 3356639 Injector Fuel Supply Line by Cummins is a critical component in the fuel delivery system of heavy-duty trucks. Its role in ensuring a consistent and reliable fuel supply to the injectors is fundamental for optimal engine performance. Proper installation, regular maintenance, and understanding its compatibility with specific engine models are essential for maximizing the efficiency and reliability of the fuel system.


  1. Diesel Emissions and Their Control: Second Edition, Addy Majewski and Hannu Jaskelainen, SAE International, 2023

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

SPECIFICATIONS

Comments
#3 Cylinder
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
12.5 x 9.5 x 1.0 in
Weight
0.5 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.