3178525
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$159.95 $190.34

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

The Cummins 3178525 Fuel Supply Tube is a component designed for use in the fuel delivery system of heavy-duty trucks. It facilitates the transfer of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This part is integral to the overall efficiency and performance of the vehicle’s fuel system.

Purpose and Function

The Fuel Supply Tube plays a role in the fuel system by providing a conduit for fuel to travel from the tank to the engine. It is engineered to withstand the pressures and conditions within the fuel system, ensuring that fuel is delivered efficiently and without interruption. This component is part of a system that requires precise engineering to maintain the correct fuel pressure and flow rate, which are important for engine performance 1.

Key Features

The design and construction of the Cummins 3178525 incorporate several features that enhance its performance and durability. It is made from materials that are resistant to the corrosive effects of fuel and the high pressures within the system. The build quality ensures that it can withstand the rigors of heavy-duty use, and its design may include features such as reinforced connections to prevent leaks and ensure a secure fit within the fuel system 2.

Benefits

This Cummins part offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the engine without loss or contamination. Its reliable design helps to maintain consistent engine performance, and it is compatible with a range of Cummins engine models, providing versatility for different applications. The tube’s durability also means that it requires less frequent replacement, which can be cost-effective over the lifespan of the vehicle 3.

Installation and Compatibility

When installing the Fuel Supply Tube, it is important to follow manufacturer guidelines to ensure proper fit and function. This may involve specific torque settings for connections and ensuring that all seals are intact. Compatibility with various Cummins engine models is a key consideration, and it is advisable to consult the manufacturer’s specifications to confirm that the tube is suitable for the specific engine in question.

Maintenance and Troubleshooting

To maintain the Fuel Supply Tube, regular inspections are recommended to check for signs of wear, leaks, or damage. Common issues may include blockages or corrosion, which can affect fuel flow. Troubleshooting should involve checking connections for tightness and inspecting the tube for any physical damage. If issues are detected, it may be necessary to clean or replace the tube to restore proper function.

Safety Considerations

When working with the Fuel Supply Tube, it is important to observe safety guidelines. This includes handling fuel with care to avoid spills and ensuring that the fuel system is depressurized before any work is undertaken. Proper system integrity must be maintained to prevent fuel leaks, which can pose a fire hazard. Always follow safety protocols when performing maintenance or repairs on fuel system components.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its high-quality products and commitment to customer satisfaction. The company’s extensive product range serves various industries, providing reliable power solutions for a multitude of applications.

Cummins Fuel Supply Tube 3178525 Compatibility

The Cummins Fuel Supply Tube part number 3178525 is designed to fit seamlessly within the K38 and K50 engine families. This part is integral to the fuel delivery system, ensuring that fuel is efficiently and accurately supplied to the engine components.

In the K38 engine series, the fuel supply tube 3178525 is engineered to interface with the engine’s fuel injection system, providing a reliable conduit for fuel from the fuel pump to the injectors. This ensures optimal performance and efficiency, maintaining the engine’s power output and fuel economy.

Similarly, in the K50 engine series, the fuel supply tube 3178525 is meticulously designed to integrate with the engine’s fuel management system. This tube is crucial for maintaining the correct fuel pressure and flow, which is essential for the engine’s smooth operation and longevity.

Both engine series benefit from the precision engineering of the Cummins Fuel Supply Tube 3178525, ensuring that it fits perfectly within the engine’s design parameters. This compatibility guarantees that the fuel supply tube will function as intended, without requiring any modifications or additional fittings.

Role of Part 3178525 Fuel Supply Tube in Engine Systems

The 3178525 Fuel Supply Tube is a component in the fuel delivery system of various engine setups. It facilitates the seamless transfer of fuel from the fuel pump to the engine’s fuel injectors or carburetor.

When integrated with a Fuel Pump Conversion Kit, the 3178525 tube ensures that the newly installed fuel pump efficiently delivers fuel under the required pressure to the engine components. This setup is particularly important in retrofitting older engines with modern fuel pump systems, enhancing performance and reliability.

In systems utilizing Fuel Tubing, the 3178525 tube acts as a robust connection point, offering durability and resistance to fuel-related wear and tear. It complements the flexible fuel tubing by providing a rigid, secure pathway for fuel, reducing the risk of leaks and ensuring consistent fuel flow.

The integration of the 3178525 tube within the broader Plumbing system of an engine is designed to optimize fuel distribution. It connects various components such as the fuel tank, fuel filter, and fuel rail, ensuring that each part of the system operates in harmony. This cohesive setup is vital for maintaining engine efficiency and performance.

Lastly, in the context of the overall Fuel Supply system, the 3178525 tube plays a pivotal role. It ensures that the fuel, once pumped from the tank, is delivered to the engine in a controlled and efficient manner. This is fundamental for the engine’s combustion process, directly influencing its power output and fuel economy.

Conclusion

The Cummins 3178525 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks, ensuring efficient and reliable fuel transfer from the tank to the engine. Its design, compatibility, and role in various engine systems underscore its importance in maintaining engine performance and fuel efficiency.


  1. Mom, Gijs. The Evolution of Automotive Engineering: A Handbook. SAE International, 2023.

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

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

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
19.3 x 7.5 x 1.4 in
Weight
0.073 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.