3255519
Fuel Bypass Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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 3255519 Fuel Bypass Tube is a critical component in the fuel systems of heavy-duty trucks. This part ensures the efficient and reliable operation of the fuel system by managing fuel flow and pressure. It maintains the overall performance and reliability of the truck’s engine by facilitating the proper distribution of fuel under various operating conditions 2.

Basic Concepts of Fuel Bypass Tubes

A Fuel Bypass Tube allows fuel to flow around certain parts of the fuel system when necessary. It provides an alternative route for fuel, which helps in maintaining consistent fuel pressure and flow. This is particularly important in heavy-duty applications where the fuel system must handle varying loads and operating conditions. The bypass tube ensures that the fuel system can adapt to these changes without compromising performance 1.

Purpose of the 3255519 Fuel Bypass Tube

The Cummins 3255519 Fuel Bypass Tube redirects fuel flow when the primary fuel path is obstructed or when conditions require a different fuel distribution. This can occur during engine start-up, when the fuel filter is clogged, or under high-load conditions. By providing an alternative path, the bypass tube helps maintain consistent fuel pressure and flow, which is vital for the engine’s performance and longevity 2.

Key Features

This Cummins part is designed with several key features that enhance its performance. It is constructed from durable materials that can withstand the high pressures and temperatures of the fuel system. The tube’s design ensures a secure fit within the fuel system, minimizing the risk of leaks. Additionally, it is engineered to be compatible with other Cummins fuel system components, ensuring seamless integration 2.

Benefits

The 3255519 Fuel Bypass Tube offers several benefits to the fuel system of heavy-duty trucks. It contributes to improved fuel efficiency by ensuring that fuel is delivered consistently and efficiently to the engine. This consistent fuel delivery also enhances engine performance, allowing the truck to operate more smoothly under various conditions. Furthermore, the bypass tube increases the reliability of the fuel system by providing a backup route for fuel flow, reducing the risk of engine stalling or performance issues due to fuel system blockages 2.

Installation and Integration

Installing the 3255519 Fuel Bypass Tube involves several steps to ensure proper integration into the truck’s fuel system. The process typically requires disconnecting the fuel lines, removing the old bypass tube (if applicable), and installing the new tube in its place. It is important to use the appropriate tools and follow the manufacturer’s guidelines to ensure a secure and leak-free installation. Additionally, any necessary adjustments to the fuel system should be made to accommodate the new bypass tube 2.

Troubleshooting Common Issues

Common issues associated with the 3255519 Fuel Bypass Tube include leaks, blockages, or malfunctions. Identifying these problems involves checking for signs of fuel leakage around the tube, inspecting the tube for any physical damage, and ensuring that it is properly seated within the fuel system. Resolving these issues may require tightening connections, cleaning or replacing the tube, or addressing any underlying problems within the fuel system that may be causing the bypass tube to malfunction 2.

Maintenance Tips

Regular maintenance of the 3255519 Fuel Bypass Tube is important to ensure its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, ensuring that all connections are secure and leak-free, and cleaning the tube as necessary to remove any buildup that could impede fuel flow. Additionally, following the manufacturer’s recommended maintenance schedule for the fuel system can help prevent issues related to the bypass tube 2.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive industry. The company offers a wide range of products designed to meet the needs of various industries, including heavy-duty trucking, construction, agriculture, and power generation. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry 2.

Cummins N14 CELECT PLUS Engine Compatibility

The Cummins N14 CELECT PLUS engine is a robust and reliable power unit, widely used in various heavy-duty applications. The Fuel Bypass Tube part number 3255519 is a critical component in this engine, ensuring efficient fuel management and system integrity.

This part is specifically designed to fit seamlessly within the N14 CELECT PLUS engine, facilitating the proper flow of fuel from the fuel pump to the injectors. Its precise engineering ensures that it aligns with the engine’s design specifications, maintaining optimal performance and longevity.

In the context of the N14 CELECT PLUS engine, the Fuel Bypass Tube part number 3255519 is engineered to integrate with the engine’s fuel system architecture. This integration is crucial for maintaining the engine’s efficiency and reliability, as it helps prevent fuel starvation and ensures consistent fuel delivery to the injectors.

The compatibility of this part with the N14 CELECT PLUS engine underscores Cummins’ commitment to providing high-quality, durable components that enhance engine performance and reliability 2.

Role of Part 3255519 Fuel Bypass Tube in Engine Systems

The 3255519 Fuel Bypass Tube is an integral component within the fuel system of various engine setups. Its primary function is to manage the flow of fuel, ensuring that the system operates efficiently under different conditions.

Integration with Fuel Plumbing

In the context of fuel plumbing, the 3255519 Fuel Bypass Tube serves as a vital link. It allows excess fuel to be redirected from the main fuel line back to the fuel tank. This process helps maintain consistent fuel pressure and prevents fuel starvation, which can occur if the fuel demand exceeds the supply capacity of the fuel pump 2.

Interaction with General Plumbing

Beyond its specific role in fuel systems, the 3255519 Fuel Bypass Tube also interacts with general plumbing components. It ensures that any surplus fuel is safely returned to the tank, rather than being forced through the system under high pressure. This not only protects the integrity of the fuel lines but also enhances the overall reliability of the engine’s fuel delivery system 2.

Ensuring System Efficiency

By facilitating the bypass of excess fuel, the 3255519 Fuel Bypass Tube contributes to the efficient operation of the engine. It helps in maintaining optimal fuel pressure, which is essential for the proper functioning of fuel injectors and carburetors. This, in turn, ensures that the engine receives a consistent fuel supply, leading to smoother operation and improved performance 2.

Safety and Reliability

The incorporation of the 3255519 Fuel Bypass Tube into the fuel system also adds a layer of safety. By managing fuel flow and pressure, it reduces the risk of fuel line ruptures or other failures that could arise from excessive pressure. This enhances the reliability of the engine system, making it a valuable component in both maintenance and performance tuning scenarios 2.

Conclusion

The Cummins 3255519 Fuel Bypass Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring efficient and reliable operation. Its role in managing fuel flow and pressure contributes to the overall performance and longevity of the engine. Regular maintenance and proper installation are essential to maximize the benefits of this part, ensuring consistent fuel delivery and system reliability.


  1. Sclar, Deanna. Auto Repair for Dummies: 2nd Edition. For Dummies, 2008.

  2. Bennett, Sean. Modern Diesel Technology Light Duty Diesels. Cengage Learning, 2012.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
33.0 x 4.0 x 15.0 in
Weight
0.066 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.