3815852
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$969.95 $1,154.24

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 Tube 3815852, manufactured by Cummins, is a critical component in the fuel system of heavy-duty trucks. Cummins, a renowned name in the automotive industry, is known for its high-quality heavy-duty truck engines. This tube ensures efficient and reliable fuel delivery to the injectors, which is essential for optimal engine performance.

Basic Concepts

Injector fuel supply tubes are fundamental to the fuel system of diesel engines. Their primary function is to transport fuel from the fuel tank or reservoir to the injectors. This process is vital for maintaining consistent fuel pressure and flow, directly influencing engine performance, efficiency, and emissions. The design and material of these tubes are engineered to withstand the high pressures and temperatures characteristic of diesel fuel systems 1.

Purpose and Function

The Injector Fuel Supply Tube 3815852 facilitates the delivery of fuel to the injectors, ensuring that fuel is supplied at the correct pressure and volume. This is necessary for the injectors to atomize the fuel properly, which affects engine power, fuel economy, and emissions 2.

Key Features

This Cummins part is designed with several key features that enhance its performance and durability. It is constructed from high-quality materials that can withstand the harsh conditions within a diesel engine’s fuel system. The tube’s design includes precise engineering to ensure optimal fuel flow and pressure maintenance. Additionally, it may feature specific connectors or fittings that ensure a secure and leak-free connection to the fuel system components.

Benefits

Utilizing the Injector Fuel Supply Tube 3815852 offers several advantages. It contributes to improved fuel delivery efficiency, which can lead to enhanced engine performance. The tube’s robust construction and precise engineering help ensure reliability and longevity, reducing the likelihood of fuel system failures. Furthermore, its role in maintaining consistent fuel pressure and flow supports efficient combustion, which can result in better fuel economy and reduced emissions 3.

Troubleshooting and Maintenance

Identifying issues with the Injector Fuel Supply Tube 3815852 may involve observing symptoms such as engine misfires, reduced power, or changes in fuel efficiency. Diagnostic procedures can include inspecting the tube for leaks, cracks, or blockages. Regular maintenance practices, such as checking connections for tightness and ensuring the tube is free from debris, can help maintain optimal performance and extend the component’s lifespan.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube 3815852 is crucial for ensuring it functions correctly within the fuel system. Installation procedures should follow manufacturer guidelines to ensure secure and leak-free connections. Compatibility with various engine models and configurations is an important consideration, as it ensures the tube will fit and function as intended within the specific fuel system it is intended for.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the automotive industry, Cummins is committed to delivering high-quality components that enhance the performance, efficiency, and reliability of heavy-duty trucks. Their products are known for their durability, innovation, and contribution to the advancement of engine technology.

Cummins Injector Fuel Supply Tube 3815852 Compatibility

The Cummins Injector Fuel Supply Tube part number 3815852 is a critical component for the proper functioning of the fuel injection system in certain Cummins engines. This part is designed to ensure that the fuel supply to the injectors is maintained at the correct pressure and flow rate, which is essential for optimal engine performance and efficiency.

Engine Compatibility

The Injector Fuel Supply Tube 3815852 is compatible with the following Cummins engines:

  • 6C8.3

This part is engineered to fit seamlessly within the architecture of the 6C8.3 engine, ensuring that the fuel supply system operates smoothly and efficiently. The design and specifications of the tube are tailored to meet the unique requirements of the 6C8.3 engine, providing a reliable and durable solution for maintaining fuel delivery integrity.

Incorporating the 3815852 Injector Fuel Supply Tube into the 6C8.3 engine ensures that the engine’s fuel injection system functions as intended, contributing to overall engine performance and longevity.

Role of Part 3815852 Injector Fuel Supply Tube in Engine Systems

The 3815852 Injector Fuel Supply Tube is an integral component in the fuel delivery system of an engine. It is responsible for transporting pressurized fuel from the fuel rail to the individual fuel injectors. This ensures that each injector receives a consistent and reliable fuel supply, which is essential for optimal engine performance.

Integration with Injector Plumbing

The Injector Fuel Supply Tube is a key element in the injector plumbing system. It connects the fuel rail to the injectors, creating a sealed pathway for fuel to travel. This connection is vital for maintaining the integrity of the fuel system, preventing leaks, and ensuring that fuel is delivered at the correct pressure and volume.

Interaction with Fuel Injectors

Each fuel injector is supplied with fuel through the 3815852 tube. The tube’s design allows for precise fuel metering, which is critical for the injectors to atomize fuel efficiently. This atomization process enhances combustion efficiency, leading to better engine performance and fuel economy.

Relationship with the Camshaft

Although the camshaft operates independently of the fuel system, the performance of the engine is influenced by both components. The camshaft controls the timing of the intake and exhaust valves, while the Injector Fuel Supply Tube ensures that fuel is delivered to the injectors at the right moment. Synchronized operation of these components results in improved engine efficiency and power output.

Impact on Overall Engine Performance

The 3815852 Injector Fuel Supply Tube plays a significant role in the overall performance of the engine. By ensuring a consistent fuel supply to the injectors, it contributes to stable engine operation, reduced emissions, and enhanced drivability. Proper maintenance and inspection of this component are essential for sustaining engine performance over time.

Conclusion

Understanding the role of the 3815852 Injector Fuel Supply Tube within the engine system highlights its importance in maintaining efficient fuel delivery and engine performance. Engineers and mechanics must consider this component’s function when diagnosing fuel system issues or performing engine upgrades.


  1. Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.

  2. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

  3. Randall, M. (2015). Haynes Manual on Diesel Engines. Haynes Publishing.

* 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.