4924231
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$279.95 $333.14

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 Injector Fuel Supply Tube, identified by part number 4924231, is a component integral to the fuel system of heavy-duty trucks. It ensures the efficient delivery of fuel to the injectors, thereby playing a role in maintaining optimal engine performance. This Cummins part is designed to withstand the demanding conditions typical of heavy-duty applications, ensuring reliable operation and contributing to the overall efficiency of the engine.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube is a conduit that facilitates the transfer of fuel from the fuel rail to the injectors within the engine. Its function is to provide a consistent and precise supply of fuel, which is important for the injectors to operate effectively. The tube must be capable of handling high-pressure fuel and must be resistant to the corrosive effects of diesel fuel. Its design and material construction are tailored to ensure durability and performance under varying operational conditions 1.

Purpose and Function

The Cummins Injector Fuel Supply Tube (Part #4924231) serves to deliver fuel from the fuel rail to the injectors in a controlled and efficient manner. This part plays a role in the engine’s fuel delivery system by ensuring that each injector receives the correct amount of fuel at the precise moment, which is vital for combustion efficiency and engine performance. The consistent fuel supply helps in maintaining engine power, reducing emissions, and enhancing fuel economy 2.

Key Features

The Cummins Injector Fuel Supply Tube is constructed from high-quality materials that offer resistance to corrosion and wear. Its design includes features such as precise internal diameters to maintain fuel flow consistency and robust connections to ensure a secure fit within the fuel system. The tube is also engineered to handle the high pressures associated with modern diesel injection systems, ensuring reliable performance over time 3.

Benefits

Utilizing the Cummins Injector Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injectors with minimal loss or leakage. This part also enhances engine performance by supporting precise fuel delivery, which is important for optimal combustion. Additionally, its durable construction ensures reliability even in demanding operating conditions, reducing the likelihood of fuel system failures.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube is important to ensure it functions as intended. Installation guidelines should be followed to maintain the integrity of the fuel system and to ensure that the tube is correctly positioned and secured. Compatibility with various Cummins engine models and configurations is a consideration, as the tube must be suited to the specific fuel system design of the engine it is intended for.

Maintenance and Troubleshooting

To ensure the Cummins Injector Fuel Supply Tube maintains optimal performance, regular maintenance is recommended. This includes checking for signs of wear or damage, ensuring connections are secure, and verifying that there are no leaks in the fuel system. Common issues may include fuel leaks or inconsistent fuel delivery, which can often be addressed by inspecting and, if necessary, replacing the tube or associated components.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, Cummins is known for its commitment to quality and innovation in engine technology. The company’s extensive range of products and services is designed to meet the needs of customers across various industries, ensuring reliable and efficient power solutions.

Cummins Injector Fuel Supply Tube (Part 4924231) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 4924231, is a component in the fuel delivery system of certain Cummins engines. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel pump to the injectors, which is important for the engine’s performance and longevity.

Compatibility with Specific Engine Models

The Injector Fuel Supply Tube (4924231) is compatible with the following Cummins engine models:

  • QSK19 CM2350 K105
  • QSK19 CM2350 K114

These engines are part of the Cummins QSK series, known for their robust design and high performance in various industrial and marine applications. The injector fuel supply tube ensures that these engines receive the precise fuel delivery needed for optimal operation.

Compatibility with Other Engine Models

Additionally, the Injector Fuel Supply Tube (4924231) is also compatible with:

  • QSK19 CM850 MCRS

This engine model is another variant within the Cummins QSK series, designed for applications requiring a balance of power and efficiency. The compatibility of the injector fuel supply tube with this model ensures that the engine maintains its performance standards.

Ensuring Proper Fitment

When installing the injector fuel supply tube (4924231) in any of the listed engine models, it is crucial to follow the manufacturer’s guidelines to ensure a proper fit. This includes verifying the correct orientation, securing all connections, and checking for any leaks or damage that could affect the engine’s performance. Proper installation of this component is vital for maintaining the integrity of the fuel system and ensuring the engine operates smoothly.

Role of Part 4924231 Injector Fuel Supply Tube in Engine Systems

The injector fuel supply tube, specifically part 4924231, is a component in the orchestration of fuel delivery within an engine system. Its primary function is to ensure a consistent and regulated flow of fuel from the fuel supply plumbing to the fuel injectors. This steady supply is vital for the injectors to atomize fuel efficiently, which in turn enhances combustion efficiency and overall engine performance.

In conjunction with the camshaft, the injector fuel supply tube operates in a synchronized manner. The camshaft controls the opening and closing of the engine’s valves, which dictates the intake of air and the expulsion of exhaust gases. A well-timed fuel delivery, facilitated by the injector fuel supply tube, complements the camshaft’s operation, ensuring that fuel is introduced into the combustion chamber at the optimal moment.

The connecting rod and piston assembly is another area where the injector fuel supply tube plays a significant role. The fuel delivered through this tube is combusted in the cylinder, generating the force that drives the piston downward. This motion is transferred via the connecting rod to the crankshaft, converting linear motion into rotational energy. A reliable fuel supply is therefore essential for consistent power delivery and engine smoothness.

When it comes to performance parts, the injector fuel supply tube is often overlooked but is just as important as high-performance camshafts or upgraded connecting rods. Enhancing the fuel delivery system with a high-quality injector fuel supply tube can lead to improved throttle response, increased power output, and better fuel efficiency. It ensures that performance-oriented fuel injectors receive the precise amount of fuel needed to meet the demands of modified engine systems.

Conclusion

In summary, the injector fuel supply tube (part 4924231) is a component in the fuel delivery network, interacting with various engine components to maintain optimal performance. Its role in facilitating a consistent fuel flow underscores its importance in the intricate dance of engine operation.


  1. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

  2. Hillier, A. (2014). Fundamentals of Motor Vehicle Technology Book 1 6th Edition. Oxford University Press.

  3. Gifford, C. (2014). Cars Encyclopedia. DK Publishing.

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SPECIFICATIONS

Package Dimensions
9.4 x 4.0 x 1.6 in
Weight
1.65 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.