3037734
Fuel Drain Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$99.95 $118.94

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 3037734 Fuel Drain Tube is a component designed for use in the fuel systems of commercial trucks. Its purpose is to facilitate the draining of fuel from the system, which is important for maintenance and operational integrity. This tube is part of Cummins Inc.’s lineup of fuel system components, which are engineered to enhance the performance and reliability of commercial vehicles 1.

Purpose and Function

This Cummins part plays a role in the fuel system by allowing for the controlled release of fuel. This function is vital for several reasons: it enables the removal of water or contaminants that may have accumulated in the fuel tank, assists in system diagnostics by allowing technicians to collect fuel samples, and aids in the overall maintenance of the fuel system by ensuring that only clean, uncontaminated fuel reaches the engine 2.

Key Features

The Cummins 3037734 Fuel Drain Tube is constructed from durable materials that are resistant to the corrosive effects of diesel fuel. It features a secure connection mechanism that ensures a tight seal, preventing fuel leaks. The design of the tube includes a valve or cap that can be opened to allow fuel to drain and closed to prevent unauthorized access or accidental spills 3.

Benefits

Using the Cummins 3037734 Fuel Drain Tube offers several advantages. It contributes to improved fuel system performance by ensuring that the fuel delivered to the engine is free from contaminants. The tube’s design also enhances the reliability of the fuel system, reducing the likelihood of fuel-related issues. Additionally, the ease of use and secure connection of the tube simplify maintenance procedures, saving time and reducing the potential for human error during fuel system servicing.

Installation and Usage

Proper installation of the Cummins 3037734 Fuel Drain Tube involves ensuring that it is correctly positioned within the fuel system and that all connections are secure. It is important to follow the manufacturer’s guidelines for installation to ensure that the tube functions as intended. When using the tube to drain fuel, it is crucial to do so in a controlled environment to avoid spills and to follow safety protocols to prevent fuel from coming into contact with skin or eyes.

Maintenance and Troubleshooting

To maintain the Cummins 3037734 Fuel Drain Tube, regular inspections should be conducted to check for signs of wear or damage. The connection points should be examined to ensure they remain secure and free from leaks. If issues arise, such as difficulty in draining fuel or signs of contamination in the drained fuel, it may indicate a problem with the tube or the fuel system that requires further investigation and potential repair.

Safety Considerations

When handling the Cummins 3037734 Fuel Drain Tube, it is important to take precautions to avoid fuel spills, which can pose a fire hazard and environmental risk. Always use the tube in a well-ventilated area and ensure that any drained fuel is collected in an appropriate container. Personal protective equipment, such as gloves and eye protection, should be worn when working with fuel to prevent contact with skin or eyes.

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 itself as a trusted name in the commercial truck industry. The company is committed to quality and innovation, continuously developing products that meet the evolving needs of its customers while adhering to stringent environmental and safety standards.

Cummins Fuel Drain Tube 3037734 in V28 Engines

The Cummins Fuel Drain Tube part number 3037734 is integral to the maintenance and operational efficiency of V28 engines. This component is designed to facilitate the removal of water and sediment from the fuel system, ensuring that the engine operates smoothly and without contamination.

In V28 engines, the fuel drain tube is strategically positioned to allow for easy access and removal of contaminants that may accumulate in the fuel tank. This is crucial for maintaining the integrity of the fuel system and preventing potential engine damage due to water or debris in the fuel.

The installation of the Cummins Fuel Drain Tube 3037734 in V28 engines is straightforward, typically involving a secure attachment to the fuel tank. This ensures that the tube remains in place during operation and can effectively perform its function of draining unwanted substances from the fuel.

For V28 engines, the use of the Cummins Fuel Drain Tube 3037734 is a recommended practice to maintain optimal engine performance and longevity. Regular checks and maintenance of this component are advised to ensure it is functioning correctly and to prevent any potential issues related to fuel contamination.

Role of Part 3037734 Fuel Drain Tube in Engine Systems

The Part 3037734 Fuel Drain Tube is a component in the fuel system, facilitating the safe and efficient management of fuel flow and pressure. It works in conjunction with several other components to ensure optimal engine performance and safety.

Integration with Fuel Check Valve

The Fuel Drain Tube interfaces with the Fuel Check Valve to regulate the direction of fuel flow. The Fuel Check Valve allows fuel to flow in one direction while preventing backflow, which helps maintain consistent fuel pressure. The Fuel Drain Tube provides a pathway for excess fuel or contaminants to be safely diverted away from the system, ensuring that the Fuel Check Valve operates under optimal conditions.

Coordination with Fuel Drain Check Valve

In systems equipped with a Fuel Drain Check Valve, the Fuel Drain Tube plays a pivotal role in maintaining system integrity. The Fuel Drain Check Valve is designed to allow fuel to drain when necessary while preventing air from entering the fuel lines. The Fuel Drain Tube complements this function by providing a dedicated route for drained fuel, ensuring that it does not re-enter the system and cause contamination or pressure issues.

Interaction with Fuel Tubing and Plumbing

The Fuel Drain Tube is often connected to the fuel tubing and overall plumbing of the engine system. It ensures that any fuel that needs to be drained from the system is directed away efficiently. This interaction is vital for maintaining the cleanliness and pressure stability of the fuel lines, which are crucial for consistent engine performance.

Relationship with Fuel Supply System

In the context of the fuel supply system, the Fuel Drain Tube serves as a safety mechanism. It allows for the removal of fuel that may have become contaminated or has exceeded pressure limits, thereby protecting the fuel supply lines and components from damage. This ensures that the fuel supply remains clean and pressurized, contributing to efficient engine operation.

Overall System Contribution

By facilitating the safe drainage of fuel, the Part 3037734 Fuel Drain Tube contributes to the overall reliability and efficiency of the engine system. It ensures that fuel management components such as check valves and tubing operate under optimal conditions, thereby enhancing engine performance and longevity.

Conclusion

The Cummins 3037734 Fuel Drain Tube is a vital component in the maintenance and operation of commercial truck fuel systems. Its design and function contribute to the cleanliness and reliability of the fuel supply, ensuring optimal engine performance. Regular maintenance and proper usage of this part are essential for the longevity and efficiency of the engine system.


  1. Rendle, S., & Randall, M. (2000). Haynes Diesel Engine Systems and Data Book. Haynes Publishing.

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

  3. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.0 x 3.0 x 0.5 in
Weight
0.1 lb
* 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.