3037034
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$409.95 $487.84

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

The Cummins 3037034 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 supply under the required pressure and flow conditions. This part is essential for the efficient operation of the engine, contributing to overall vehicle performance and reliability.

Purpose and Function

The Cummins 3037034 Fuel Supply Tube plays a crucial role in the fuel delivery system by conveying fuel from the storage tank to the engine. It ensures that fuel is delivered at a steady pressure and flow rate, which is necessary for the engine to operate efficiently. The tube is designed to withstand the pressures and temperatures associated with fuel transport in heavy-duty applications, ensuring reliable performance under various operating conditions 1.

Key Features

The Cummins 3037034 Fuel Supply Tube is constructed from durable materials that are resistant to the corrosive effects of fuel and the high pressures within the fuel system. It features robust connection points that ensure a secure fit within the fuel system, minimizing the risk of leaks. The design of the tube includes features that enhance its durability and performance, such as reinforced sections to withstand pressure and flexible segments to accommodate movement and vibration within the vehicle 2.

Benefits

Utilizing the Cummins 3037034 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and reliable fuel supply to the engine. The tube’s design and construction enhance the reliability of the fuel system, reducing the likelihood of fuel delivery issues. Additionally, it is specifically engineered for compatibility with Cummins engines, ensuring optimal performance and integration within the engine system 3.

Installation and Compatibility

Proper installation of the Cummins 3037034 Fuel Supply Tube is crucial for ensuring a secure and leak-free connection within the fuel system. Installation procedures should follow manufacturer guidelines, which may include the use of specific tools to ensure connections are tight and secure. Compatibility with various Cummins engine models is an important consideration, ensuring that the tube fits within the existing fuel system and operates efficiently with the engine.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3037034 Fuel Supply Tube is recommended to ensure its longevity and performance. This may include periodic inspections for signs of wear or damage, and ensuring connections remain tight and secure. Common issues that may arise include leaks or reduced fuel flow, which can often be diagnosed and resolved through inspection and following recommended troubleshooting steps.

Safety Considerations

When working with the Cummins 3037034 Fuel Supply Tube, it is important to follow safety guidelines to ensure personal safety and prevent fuel system issues. This includes handling fuel with care to avoid spills and recognizing signs of potential fuel leaks or system failures. Adhering to safety precautions can help prevent accidents and ensure the safe operation of the vehicle.

Cummins Overview

Cummins Inc. is a leading manufacturer in the heavy-duty truck industry, known for its commitment to quality and innovation in engine and component manufacturing. With a history of developing reliable and efficient engine solutions, Cummins has established a reputation for excellence in the industry. The company’s focus on innovation and quality is reflected in its range of engine components, including the Cummins 3037034 Fuel Supply Tube.

Cummins Fuel Supply Tube 3037034 in Engine Applications

The Cummins Fuel Supply Tube part number 3037034 is a critical component in several engine models, ensuring the efficient and reliable delivery of fuel to the engine’s combustion chambers. This part is integral to the fuel system’s integrity and performance across various engine configurations.

N14 Mechanical Engines

In the N14 Mechanical engines, the Fuel Supply Tube 3037034 plays a pivotal role in maintaining the fuel flow necessary for optimal engine operation. This part is designed to withstand the high pressures and temperatures typical of diesel engines, ensuring durability and longevity under demanding conditions.

Grouping of Engine Models

The Cummins Fuel Supply Tube 3037034 is compatible with a range of engine models that share similar design and operational characteristics. These engines are engineered to deliver robust performance and reliability, making the fuel supply tube a crucial component in their overall functionality.

The compatibility of the part with various engine models underscores its versatility and importance in the engine’s fuel delivery system. Ensuring the correct installation and maintenance of this component is essential for the smooth operation and longevity of the engine.

Role of Part 3037034 Fuel Supply Tube in Engine Systems

The part 3037034 Fuel Supply Tube is an integral component within the Engine Bay Module (EBM) plumbing system, specifically designed to facilitate the efficient transfer of fuel. This tube connects various elements of the fuel system, ensuring a seamless flow of fuel from the tank to the engine.

Integration with Fuel System Components

  1. Fuel Tank to Fuel Pump Connection:

    • The Fuel Supply Tube acts as a conduit between the fuel tank and the fuel pump. It ensures that fuel is drawn from the tank and delivered to the pump under the necessary pressure.
  2. Fuel Pump to Fuel Rail Pathway:

    • Once the fuel is pressurized by the pump, the tube transports it to the fuel rail. This pathway is essential for maintaining consistent fuel pressure throughout the system.
  3. Fuel Rail Distribution:

    • The tube connects to the fuel rail, which distributes fuel to the individual injectors. This ensures that each cylinder receives the precise amount of fuel required for combustion.
  4. Return Line Integration:

    • In systems with a return line, the Fuel Supply Tube may also be part of the pathway that sends excess fuel back to the tank. This helps in regulating fuel pressure and temperature within the system.

Interaction with Other Systems

  • Engine Control Unit (ECU):

    • The ECU monitors the fuel system’s performance and adjusts the fuel supply as needed. The Fuel Supply Tube’s role is to provide a reliable pathway for fuel, allowing the ECU to make accurate adjustments.
  • Emission Control Systems:

    • Efficient fuel delivery is vital for minimizing emissions. The Fuel Supply Tube contributes to this by ensuring that the fuel-air mixture is optimal, which reduces the likelihood of unburnt fuel escaping into the atmosphere.
  • Cooling Systems:

    • In some engine designs, the fuel itself acts as a coolant for certain components. The Fuel Supply Tube ensures a consistent flow of fuel, which aids in the cooling process.

Maintenance and Performance

  • Regular Inspection:

    • The Fuel Supply Tube should be regularly inspected for signs of wear, leaks, or blockages. Maintaining the integrity of this tube is key to ensuring the overall efficiency and reliability of the fuel system.
  • System Pressure Testing:

    • When performing pressure tests on the fuel system, the Fuel Supply Tube’s condition directly impacts the results. A compromised tube can lead to inaccurate readings and potential misdiagnosis of fuel system issues.

Conclusion

In summary, the Cummins 3037034 Fuel Supply Tube is a fundamental element in the fuel delivery network, interacting with various components to ensure efficient and reliable engine performance. Its design, durability, and compatibility with Cummins engines make it a critical component for maintaining the performance and reliability of heavy-duty truck engines.


  1. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

  2. Gifford, Clive. Cars Encyclopedia. DK Publishing, 2014.

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

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 1.0 in
Weight
0.25 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.