4932502
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$439.95 $523.54

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 Injector Fuel Supply Tube, specifically Part #4932502 by Cummins, is a vital component in the fuel system of heavy-duty trucks. Cummins, a renowned manufacturer in the automotive industry, produces this part to ensure efficient and reliable fuel delivery within the engine system. This overview will delve into the significance of the Injector Fuel Supply Tube, its operational principles, and its role in enhancing engine performance.

Basic Concepts of Injector Fuel Supply Tube

The Injector Fuel Supply Tube operates on fundamental principles that are integral to the fuel injection system. Its primary function is to transport fuel from the fuel tank to the injectors, ensuring a consistent and precise fuel supply. This component contributes to engine performance by maintaining optimal fuel pressure and flow, which are essential for efficient combustion and overall engine operation 1.

Operation of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube plays a role in delivering fuel by connecting the fuel tank to the injectors. It ensures that fuel is supplied under the correct pressure and in the right quantity to meet the engine’s demands. The tube is designed to withstand the pressures and temperatures within the fuel system, facilitating smooth and uninterrupted fuel flow. Mechanisms within the tube help regulate fuel pressure, ensuring that the injectors receive a steady supply of fuel for combustion 2.

Purpose of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube is designed to enhance the operation of heavy-duty trucks by providing a reliable fuel delivery system. It contributes to fuel efficiency by ensuring that fuel is delivered precisely when needed, reducing waste and improving overall engine performance. Additionally, its robust construction and design help maintain the reliability and durability of the fuel system, supporting the truck’s longevity and performance under various operating conditions 3.

Key Features

The Injector Fuel Supply Tube boasts several key features that set it apart. Constructed from high-quality materials, it is designed to endure the harsh conditions typical of heavy-duty truck environments. Its design includes advanced technological features that enhance fuel delivery precision and system reliability. These attributes ensure that the tube can withstand high pressures and temperatures, providing consistent performance over time.

Benefits

The advantages of the Injector Fuel Supply Tube include improved fuel delivery precision, which leads to enhanced engine performance. Its durable construction ensures longevity, reducing the need for frequent replacements. Additionally, the tube’s design contributes to better fuel efficiency, helping truck operators save on fuel costs while maintaining optimal engine operation.

Installation Considerations

Proper installation of the Injector Fuel Supply Tube is vital for ensuring optimal performance and longevity. Recommended tools and techniques should be employed to secure the tube in place and ensure a leak-free connection. Precautions such as checking for proper alignment and securing all connections tightly are necessary to prevent fuel leaks and ensure the system operates efficiently.

Troubleshooting Common Issues

Typical problems associated with the Injector Fuel Supply Tube may include fuel leaks, inconsistent fuel pressure, or blockages within the tube. Diagnostic procedures involve checking for visible signs of damage, ensuring connections are secure, and verifying that fuel pressure meets specified levels. Potential solutions may include replacing damaged sections, tightening connections, or cleaning the tube to remove any obstructions.

Maintenance Recommendations

To preserve the functionality and reliability of the Injector Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the tube to remove any buildup, and replacing the tube according to manufacturer guidelines or when signs of degradation are observed. Adhering to these maintenance practices helps ensure the fuel system operates efficiently and reliably.

Cummins Overview

Cummins is a well-established manufacturer in the automotive industry, known for its commitment to producing high-quality components for heavy-duty trucks. With a rich history and a strong reputation, Cummins continues to innovate and provide reliable solutions that meet the demanding requirements of the industry. Their dedication to quality and performance is evident in their wide range of products, including the Injector Fuel Supply Tube.

Cummins Injector Fuel Supply Tube (Part 4932502) Compatibility

The Cummins Injector Fuel Supply Tube, identified by the part number 4932502, is a critical component in the fuel delivery system of various Cummins engines. This part ensures that fuel is efficiently and accurately delivered to the injectors, which is essential for optimal engine performance.

Engine Compatibility

The Injector Fuel Supply Tube (4932502) is designed to fit seamlessly with several Cummins engine models. Here is a detailed look at the engines and groups where this part is applicable:

  • 6B5.9 Series Engines

    • The 6B5.9 engines are part of the Cummins B Series, known for their robust design and reliability in various industrial applications. The 4932502 part is specifically engineered to integrate with the fuel systems of these engines, ensuring a precise fuel supply that enhances engine efficiency and longevity.
  • Other Cummins Engines

    • While the 6B5.9 series is a primary focus, the 4932502 part is also compatible with other Cummins engines that share similar fuel system architectures. This compatibility extends to various industrial and commercial applications where these engines are deployed.

Importance of the Fuel Supply Tube

The Injector Fuel Supply Tube (4932502) plays a pivotal role in the overall functionality of the engine’s fuel system. It is responsible for:

  • Maintaining Fuel Pressure: Ensuring that the correct fuel pressure is maintained within the system, which is crucial for the injectors to operate correctly.
  • Preventing Leaks: Providing a secure connection between the fuel pump and the injectors, thereby preventing any fuel leaks that could compromise engine performance.
  • Ensuring Fuel Flow: Guaranteeing a consistent and uninterrupted fuel flow to the injectors, which is vital for smooth engine operation and efficiency.

By integrating seamlessly with the specified Cummins engines, the 4932502 part ensures that the fuel system operates at peak performance, contributing to the overall reliability and efficiency of the engine.

Role of Part 4932502 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 4932502, is an integral component within the fuel delivery system of an engine. Its primary function is to facilitate the precise and efficient transfer of fuel from the fuel rail to the injectors. This ensures that each cylinder receives the correct amount of fuel for optimal combustion.

Integration with Fuel System Components

  1. Fuel Rail: The Injector Fuel Supply Tube connects directly to the fuel rail, which is a pressurized manifold that distributes fuel to each injector. The tube ensures a consistent fuel supply, maintaining the required pressure levels for efficient injector operation.

  2. Fuel Injectors: Each injector is supplied with fuel via the Injector Fuel Supply Tube. The tube’s design allows for minimal pressure drop, ensuring that injectors receive fuel at the precise pressure needed for accurate fuel metering and atomization.

  3. Fuel Pump: While not directly connected, the performance of the Injector Fuel Supply Tube influences the overall efficiency of the fuel pump. A well-functioning tube ensures that the fuel pump operates within its designed parameters, reducing the risk of cavitation and ensuring consistent fuel delivery.

  4. Fuel Filter: The tube works in conjunction with the fuel filter to deliver clean fuel to the injectors. Any contaminants in the fuel can be detrimental to injector performance, and the tube’s role in maintaining a smooth flow helps in prolonging the life of both the filter and the injectors.

Interaction with Plumbing Components

  1. Fuel Lines: The Injector Fuel Supply Tube is often part of a larger network of fuel lines. Its connection points are designed to ensure a leak-free system, critical for maintaining fuel pressure and preventing fuel leaks, which can be hazardous.

  2. Fittings and Connectors: The tube interfaces with various fittings and connectors that link it to other components of the fuel system. These connections must be secure to prevent fuel loss and ensure the system operates under the correct pressure conditions.

  3. Seals and Gaskets: Proper sealing is essential at each connection point where the Injector Fuel Supply Tube meets other components. Seals and gaskets play a vital role in maintaining the integrity of the fuel system, preventing leaks, and ensuring consistent fuel delivery.

Conclusion

In summary, the Injector Fuel Supply Tube (part 4932502) is a key element in the fuel delivery system, ensuring that fuel is efficiently and reliably supplied to the injectors. Its integration with other fuel system components and plumbing elements is designed to maintain optimal engine performance and fuel efficiency.


  1. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

  2. Reif, K. (Ed.). (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.

  3. ElSayed, M. (2017). Fundamentals of Integrated Vehicle Realization. SAE International.

* 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.