3650066
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

4 are currently available

Ships within 2-4 business days

$459.95 $547.34

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 3650066 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. Its primary function is to transport fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This part is essential for maintaining the performance and efficiency of the vehicle’s engine.

Purpose and Function

The Cummins 3650066 Fuel Supply Tube is integral to the fuel delivery system, transporting fuel from the tank to the engine under consistent pressure and flow. This consistent delivery is vital for the engine’s combustion process, helping maintain performance and efficiency 1.

Key Features

The Fuel Supply Tube is constructed from high-quality materials that resist corrosion and wear, ensuring durability. It is engineered to withstand the pressures and temperatures within the fuel system, providing reliable operation over time. The design may include features that reduce the risk of fuel leaks and improve overall system integrity 2.

Benefits

Using the Cummins 3650066 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and uninterrupted fuel supply to the engine. The robust construction and high-quality materials enhance its reliability and longevity, reducing the need for frequent replacements. This component is designed to integrate seamlessly with the fuel system, promoting efficient operation and maintaining engine performance 3.

Installation and Compatibility

Proper installation of the Cummins 3650066 Fuel Supply Tube is crucial for its effective operation. Installation procedures should follow manufacturer guidelines to ensure correct fitting and function. This may involve using specific tools and additional components to secure the tube in place and ensure a leak-free connection. Compatibility with various truck models and engine types should be verified to ensure optimal performance and integration within the fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3650066 Fuel Supply Tube is important for ensuring its longevity and efficiency. This may include periodic inspections for signs of wear or damage, ensuring connections are secure, and checking for any signs of fuel leaks. Common issues that may arise include blockages or leaks, which can be addressed by cleaning the tube or making necessary repairs. Following manufacturer recommendations for maintenance can help prevent issues and ensure continued reliable operation.

Safety Considerations

When handling and installing the Cummins 3650066 Fuel Supply Tube, it is important to observe safety protocols to prevent fuel leaks and ensure safe operation. This includes working in a well-ventilated area, using appropriate personal protective equipment, and following all manufacturer guidelines for installation and maintenance. Ensuring that all connections are secure and there are no leaks is crucial for safe and efficient operation of the fuel system.

Cummins Corporation 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 serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company is known for its commitment to quality, reliability, and performance in the automotive and heavy-duty truck industry.

Cummins Engine Compatibility with Fuel Supply Tube Part 3650066

The Cummins Fuel Supply Tube part number 3650066 is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal fuel delivery and performance. This part is critical in maintaining the integrity of the fuel system, facilitating the efficient transfer of fuel from the fuel tank to the engine.

QSK78 Series

In the QSK78 series, the Fuel Supply Tube part 3650066 is engineered to fit precisely with the engine’s fuel system architecture. This series is known for its robust performance and reliability, making it a popular choice in various industrial applications. The tube’s design ensures it can withstand the high pressures and temperatures typical in these engines, providing a reliable connection that minimizes leaks and maximizes efficiency.

CM500 Series

The CM500 series engines also benefit from the precise fit of the Fuel Supply Tube part 3650066. This series is often utilized in marine and power generation applications, where durability and performance are paramount. The tube’s compatibility with the CM500 series ensures that fuel is delivered consistently, supporting the engine’s operational demands and enhancing overall performance.

Integration and Compatibility

The Fuel Supply Tube part 3650066 is designed to be a direct fit for both the QSK78 and CM500 series engines. Its compatibility is achieved through meticulous engineering and adherence to strict quality standards, ensuring that it meets the specific requirements of each engine model. This part is crucial in maintaining the efficiency and reliability of the fuel system, contributing to the overall performance and longevity of the engines.

By using the Cummins Fuel Supply Tube part 3650066, operators can be confident that their engines will receive the necessary fuel supply, supporting optimal performance and reducing the risk of fuel system-related issues.

Role of Part 3650066 Fuel Supply Tube in Engine Systems

The Part 3650066 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the engine’s fuel injection system or carburetor. This ensures a consistent and reliable fuel supply, which is fundamental for the engine’s performance and efficiency.

Integration with Engine Components

  1. Fuel Tank: The fuel supply tube connects directly to the fuel tank, where it draws fuel through a fuel pump. This connection is vital for maintaining the fuel pressure required for optimal engine operation.

  2. Fuel Pump: Positioned within the fuel tank, the fuel pump pressurizes the fuel and sends it through the supply tube. The tube must be robust and leak-proof to handle the pressurized fuel efficiently.

  3. Fuel Filter: Before reaching the engine, the fuel typically passes through a fuel filter. The supply tube facilitates this by providing a pathway for the fuel to travel from the tank to the filter, ensuring that contaminants are removed before the fuel enters the engine.

  4. Fuel Injectors or Carburetor: The fuel supply tube delivers fuel to the fuel injectors in fuel-injected engines or to the carburetor in older engine designs. This consistent fuel delivery is essential for the precise air-fuel mixture required for combustion.

  5. Camshaft: Although the camshaft itself does not interact directly with the fuel supply tube, the efficient operation of the camshaft relies on the engine receiving a consistent fuel supply. The camshaft controls the opening and closing of the engine’s valves, which in turn affects the air-fuel mixture’s combustion within the cylinders.

  6. Engine Performance: The overall performance of the engine is significantly influenced by the fuel supply tube’s ability to deliver fuel efficiently. Any restriction or leak in the tube can lead to poor engine performance, reduced fuel efficiency, and potential engine damage.

  7. Plumbing System: The fuel supply tube is part of the engine’s plumbing system, which includes all the hoses, lines, and connections that manage fluid flow within the engine. Proper installation and maintenance of the tube are essential to prevent fuel leaks and ensure the system’s integrity.

Conclusion

The Cummins 3650066 Fuel Supply Tube plays a significant role in the fuel delivery process, ensuring that the engine receives a steady and clean fuel supply. This component’s proper function is integral to the engine’s performance, efficiency, and longevity. Regular maintenance and proper installation are crucial to ensure the reliable operation of the fuel system and the overall performance of the engine.


  1. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  2. Hilgers, M. (2022). The Drivers Cab. Springer Vieweg.

  3. Cummins Inc. (n.d.). Engine: General Information. Bulletin Number 4021389, Operation and Maintenance Manual.

SPECIFICATIONS

Package Dimensions
48.8 x 7.6 x 4.5 in
Weight
0.233 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.