5536686
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$72.95 $86.81

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

Fuel supply tubes are critical for the efficient operation of commercial truck engines, ensuring that fuel is delivered from the tank to the engine. Cummins, a leading manufacturer of heavy-duty truck parts, produces high-quality components designed to enhance engine performance and reliability. Among these components is the Cummins Fuel Supply Tube Part #5536686, a vital part in the fuel delivery system.

Basic Concepts Related to Fuel Supply Tubes

A fuel supply tube is a conduit that transports fuel from the fuel tank to the engine’s fuel injection system. Its primary function is to maintain a consistent and uninterrupted flow of fuel, which is essential for the engine’s combustion process. The integrity of the fuel supply tube is paramount; any leaks, blockages, or damage can lead to inefficient engine operation, reduced performance, and potential engine damage 1.

Purpose of the Cummins Fuel Supply Tube Part #5536686

The Cummins Fuel Supply Tube Part #5536686 is engineered to provide a reliable and efficient pathway for fuel delivery in heavy-duty truck engines. This component is crucial for maintaining the engine’s performance by ensuring that the fuel injection system receives a steady supply of clean fuel. The fuel supply tube’s role in the engine’s operation cannot be overstated, as it directly impacts the engine’s efficiency, power output, and overall reliability 2.

How the Cummins Fuel Supply Tube Part #5536686 Works

The fuel flow process involving this Cummins part begins at the fuel tank, where fuel is drawn through the tube towards the engine. The tube is designed to withstand the pressures and temperatures within the fuel system, ensuring a consistent flow of fuel. It interacts with other components such as the fuel filter and fuel injection pump, playing a pivotal role in the fuel delivery process. Proper installation and alignment of the fuel supply tube are essential to prevent leaks and ensure optimal performance 3.

Troubleshooting Common Issues with the Cummins Fuel Supply Tube Part #5536686

Common problems associated with fuel supply tubes include leaks, clogs, and damage from wear and tear. Symptoms of these issues may include engine misfires, reduced power, and difficulty starting the engine. Diagnostic techniques for identifying problems with the fuel supply tube involve visual inspections, pressure tests, and flow rate measurements. A step-by-step troubleshooting guide would involve checking for visible damage, ensuring proper connections, and testing for leaks or blockages.

Maintenance Tips for the Cummins Fuel Supply Tube Part #5536686

To prolong the life of this Cummins part, recommended maintenance practices include regular inspections for signs of wear, corrosion, or damage. It is essential to follow the manufacturer’s guidelines for inspection intervals. Best practices for cleaning involve using approved solvents and ensuring the tube is thoroughly dried before reinstalling. Proper storage in a cool, dry place can prevent degradation and extend the component’s lifespan.

Cummins: A Leader in Heavy-Duty Truck Parts

Cummins is widely recognized for its commitment to quality and innovation in manufacturing heavy-duty truck parts. The company’s reputation is built on a foundation of reliability, performance, and customer satisfaction. Testimonials and case studies often highlight the durability and efficiency of Cummins parts, reinforcing their position as a leader in the industry.

Expert Insights and Best Practices

Industry experts emphasize the importance of proper maintenance of fuel supply tubes to ensure engine efficiency and longevity. Best practices for engineers and mechanics include adhering to manufacturer specifications for installation and maintenance, using high-quality replacement parts, and conducting regular inspections. Fleet operators are advised to implement a proactive maintenance schedule to prevent unexpected downtime and ensure the longevity and efficiency of their fuel systems.

Cummins Engine Compatibility with Fuel Supply Tube Part 5536686

The Cummins Fuel Supply Tube part number 5536686 is designed to fit a variety of Cummins engines, ensuring efficient fuel delivery and system integrity. Below is a detailed breakdown of the engines compatible with this part:

ISG11 CM2880 G108 and ISG12 CM2880 G107

The ISG11 CM2880 G108 and ISG12 CM2880 G107 engines are part of the Cummins ISG series, known for their robust performance and reliability in heavy-duty applications. The Fuel Supply Tube part 5536686 is engineered to seamlessly integrate with these engines, providing a secure and efficient fuel supply line that meets the demands of these high-output engines.

QSG12 CM2880 G112 and QSG12/X12 CM2350 G110

The QSG12 CM2880 G112 and QSG12/X12 CM2350 G110 engines are part of the Cummins QSG series, which is designed for medium-duty applications. The Fuel Supply Tube part 5536686 is compatible with these engines, ensuring that the fuel supply system operates smoothly and efficiently, maintaining the performance standards expected from Cummins engines.

X11 CM2670 X126B, X12 CM2670 X121B, and X13 CM2670 X122B

The X11 CM2670 X126B, X12 CM2670 X121B, and X13 CM2670 X122B engines are part of the Cummins X series, which is known for its versatility and efficiency in various applications. The Fuel Supply Tube part 5536686 is designed to fit these engines, providing a reliable fuel supply that supports the engines’ operational needs and helps maintain optimal performance.

By ensuring that the Fuel Supply Tube part 5536686 is compatible with these engines, Cummins maintains its commitment to providing high-quality, reliable parts that enhance the performance and longevity of their engines.

Role of Part 5536686 Fuel Supply Tube in Engine Systems

The part 5536686 Fuel Supply Tube is an integral 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 filter and subsequently to the fuel injectors or carburetor.

In modern fuel-injected engines, the Fuel Supply Tube ensures a consistent and regulated flow of fuel under pressure from the tank to the fuel filter. The fuel filter, in turn, removes impurities and contaminants from the fuel before it reaches the fuel injectors. This clean fuel is then atomized by the injectors into the engine’s combustion chambers, where it mixes with air and ignites to produce power.

In carbureted engine systems, the Fuel Supply Tube delivers fuel from the tank to the carburetor. The carburetor then mixes the fuel with air in the correct ratio before the mixture enters the engine’s combustion chambers.

Overall, the Fuel Supply Tube plays a significant role in maintaining the efficiency and performance of the engine by ensuring a steady and clean supply of fuel to the critical components of the fuel system.

Conclusion

Understanding and maintaining the Cummins Fuel Supply Tube Part #5536686 is crucial for optimal truck performance. This component plays a vital role in the fuel delivery system, impacting the engine’s efficiency, power, and reliability. By following recommended maintenance practices and troubleshooting common issues, mechanics and engineers can ensure the longevity and performance of this essential part. Cummins’ commitment to quality and innovation underscores the reliability and performance of their heavy-duty truck parts, making them a trusted choice in the industry.


  1. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

  2. Gillespie, Thomas D. Fundamentals of Vehicle Dynamics. SAE International, 2021.

  3. Aird, Forbes. Bosch Fuel Injection Systems. HP Books, 2001.

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SPECIFICATIONS

Package Dimensions
23.0 x 5.0 x 2.0 in
Weight
0.04 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.