3925176
Valve Insert
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

Ships within 1 business day

$22.95 $27.31

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 Fuel Supply Tube 3925176, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established name in the industry, is known for its commitment to quality and innovation in diesel engine technology. This part plays a role in the fuel system of trucks by facilitating the efficient delivery of fuel from the tank to the engine, thereby contributing to the overall performance and reliability of the vehicle 1.

Basic Concepts of Fuel Supply Tubes

A Fuel Supply Tube is a component within a truck’s fuel system that is responsible for transporting fuel from the fuel tank to the engine. It operates under pressure to ensure a consistent and reliable flow of fuel, which is vital for the engine’s combustion process. The efficiency of this tube directly influences the engine’s performance, as it must deliver fuel in the correct quantity and at the right pressure to maintain optimal engine operation 2.

Purpose of the 3925176 Fuel Supply Tube

This Cummins part is integral to the fuel delivery system of a truck. Its function is to provide a secure and efficient pathway for fuel to travel from the tank to the engine. By ensuring a steady supply of fuel, it contributes to the engine’s performance, allowing for smooth operation and power delivery. The tube’s design and construction are tailored to withstand the pressures and conditions within the fuel system, ensuring durability and reliability 3.

Key Features

The 3925176 Fuel Supply Tube boasts several key features that enhance its performance and longevity. It is constructed from high-quality materials that are resistant to the corrosive effects of fuel and the high pressures within the system. The tube’s design includes reinforced sections to prevent kinking and ensure a consistent flow of fuel. Additionally, it features precise fittings that allow for a secure connection to other components within the fuel system, minimizing the risk of leaks 4.

Benefits

Utilizing this Cummins part in a truck’s fuel system can lead to several benefits. These include improved fuel efficiency, as the tube’s design ensures that fuel is delivered to the engine with minimal loss or restriction. Enhanced engine performance is another advantage, as the consistent fuel supply supports optimal combustion. Furthermore, the tube’s durable construction and reliable operation contribute to increased overall reliability of the truck’s fuel system 5.

Installation Process

Installing the 3925176 Fuel Supply Tube requires careful attention to detail to ensure proper fitting and operation. The process involves disconnecting the old tube, cleaning the connection points, and then fitting the new tube securely in place. Tools such as wrenches and possibly a fuel system cleaner may be required. It is important to follow the manufacturer’s guidelines to ensure that the tube is installed correctly and that all connections are secure to prevent leaks and ensure efficient fuel delivery 6.

Troubleshooting Common Issues

Common issues with the 3925176 Fuel Supply Tube may include leaks or blockages. To troubleshoot these problems, one should first inspect the tube and connections for any signs of damage or wear. If a leak is detected, the connection points should be re-sealed or the tube replaced if necessary. Blockages can be more challenging to diagnose and may require disassembling parts of the fuel system to locate and clear the obstruction. Regular inspections can help identify potential issues before they become serious problems 7.

Maintenance Tips

To ensure the longevity and optimal performance of the 3925176 Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear, corrosion, or damage. Cleaning the tube and its connections can also help prevent buildup that may lead to blockages. Following the manufacturer’s maintenance schedule and guidelines will help maintain the tube’s efficiency and reliability 8.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s commitment to advancing technology and meeting the needs of its customers is evident in its diverse product range and ongoing research and development efforts 9.

Cummins Engine Compatibility with Fuel Supply Tube Part 3925176

The Cummins Fuel Supply Tube part number 3925176 is designed to fit seamlessly within a range of Cummins engine models. This part is crucial for maintaining the integrity of the fuel delivery system, ensuring that fuel is efficiently and accurately supplied to the engine components.

Engine Compatibility

  • 4B3.9 and 6B5.9 Engines

    The 4B3.9 and 6B5.9 engines are part of Cummins’ lineup of medium-duty diesel engines. These engines are known for their robust performance and reliability, often used in various commercial applications such as trucks and machinery. The Fuel Supply Tube part 3925176 is specifically engineered to fit these engines, ensuring a precise and secure connection within the fuel system. This part is essential for maintaining the operational efficiency and longevity of these engines 10.

  • B6.7S Engine

    The B6.7S engine, a high-performance variant within Cummins’ range, also benefits from the use of the Fuel Supply Tube part 3925176. This engine is designed for heavy-duty applications, providing substantial power and durability. The fuel supply tube is integral to the B6.7S engine’s fuel delivery system, ensuring that fuel is delivered consistently and without leaks, which is critical for maintaining engine performance and efficiency 11.

Importance of the Fuel Supply Tube

The Fuel Supply Tube part 3925176 plays a vital role in the overall functionality of the engines it fits. By providing a reliable conduit for fuel, it helps to prevent fuel leaks and ensures that the engine receives the correct amount of fuel for optimal performance. This part is designed to withstand the rigors of engine operation, including high pressures and temperatures, making it a durable and essential component in the fuel delivery system 12.

Role of Part 3925176 Fuel Supply Tube in Engine Systems

The 3925176 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel pump to the cylinder head, ensuring a consistent and reliable fuel supply to the engine’s combustion chambers.

In the context of a Cylinder Head, the Fuel Supply Tube connects directly to the fuel inlet ports. This allows for the precise delivery of fuel to each cylinder, which is vital for optimal engine performance and efficiency.

When integrated with a Cylinder Head Kit, the Fuel Supply Tube works in conjunction with other components such as gaskets and seals to maintain a secure and leak-free fuel pathway. This integration ensures that the fuel system remains intact and functions smoothly over the engine’s operational life.

The Fuel Pump Coupling is another component where the Fuel Supply Tube plays a significant role. It connects the output of the fuel pump to the input of the tube, facilitating the transfer of pressurized fuel. This connection is designed to withstand the pressures and temperatures within the fuel system, ensuring reliable operation.

In engines with a NEF Cylinder configuration, the Fuel Supply Tube is routed to deliver fuel to each cylinder efficiently. This setup is particularly important in multi-cylinder engines where uniform fuel distribution is key to balanced combustion and engine performance.

Lastly, within a Fuel Pump Conversion Kit, the Fuel Supply Tube may be modified or replaced to accommodate new fuel pump technologies. This ensures that the fuel delivery system is compatible with the upgraded components, maintaining or enhancing the engine’s performance capabilities 13.

Conclusion

The 3925176 Fuel Supply Tube is a critical component in the fuel delivery system of Cummins engines, ensuring efficient and reliable fuel transport from the tank to the engine. Its high-quality construction, precise fittings, and compatibility with various engine models make it an essential part for maintaining engine performance and reliability. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.


  1. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  2. Arora, Shashank, Alireza Tashakori Abkenar, and Shantha Gamini Jayasi. Heavyduty Electric Vehicles: From Concept to Reality. Elsevier, 2021.

  3. Caines, Arthur J, Roger F Haycock, and John E Hillier. Automotive Lubricants Reference Book. SAE International, 2004.

  4. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

  5. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  6. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

  7. Caines, Arthur J, Roger F Haycock, and John E Hillier. Automotive Lubricants Reference Book. SAE International, 2004.

  8. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

  9. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  10. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

  11. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

  12. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

  13. Cummins Inc. Operation and Maintenance Manual for QSB6.7 CM2250 (174 HP and Above). Bulletin Number 4022265.

SPECIFICATIONS

Comments
Exhaust
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.7 x 1.7 x 0.25 in
Weight
0.05 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.