3161689
Fuel Drain Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$409.95 $487.84

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 Fuel Drain Tube, part number 3161689, is a component designed to facilitate the efficient operation of commercial trucks. This part is integral to the fuel system, ensuring that the truck operates smoothly and reliably. Cummins, a well-regarded manufacturer in the industry, produces this tube with a focus on durability and performance.

Basic Concepts of Fuel Drain Tubes

A fuel drain tube is a component within the fuel system that allows for the removal of excess fuel and contaminants. It operates by providing a pathway for fuel to exit the system when necessary, ensuring that the fuel delivered to the engine is clean and under the correct pressure. This function is vital for maintaining the integrity and efficiency of the fuel system 1.

Purpose of the Fuel Drain Tube 3161689

The Fuel Drain Tube 3161689 plays a specific role in the fuel system of a truck by facilitating the drainage of excess fuel. This process helps in maintaining the desired system pressure and ensures that the fuel delivered to the engine is free from contaminants. By doing so, it contributes to the overall efficiency and reliability of the truck’s fuel system 2.

Key Features

The Fuel Drain Tube 3161689 is constructed from high-quality materials that enhance its durability and efficiency. Its design includes elements that ensure a secure fit within the fuel system, reducing the likelihood of leaks and ensuring optimal performance. Unique attributes of this tube may include specific connectors or fittings that are tailored to fit seamlessly within Cummins’ fuel systems, enhancing both installation ease and operational reliability.

Benefits

Using the Fuel Drain Tube 3161689 can lead to improved fuel system performance, as it ensures that the fuel delivered to the engine is clean and under the correct pressure. This can enhance the reliability of the truck’s operation and may lead to potential cost savings through more efficient fuel management. The tube’s durable construction also contributes to its longevity, reducing the need for frequent replacements.

Installation Considerations

When installing the Fuel Drain Tube 3161689, it is important to follow guidelines and best practices to ensure proper fit and function. This may include using specific tools for a secure installation, checking for correct alignment within the fuel system, and avoiding common pitfalls such as over-tightening fittings, which can lead to damage. Proper installation is key to ensuring the tube operates as intended.

Troubleshooting and Maintenance

To maintain the Fuel Drain Tube 3161689 and ensure its longevity, regular maintenance is recommended. This may include checking for signs of wear or damage, ensuring connections are secure, and cleaning the tube as necessary to prevent the buildup of contaminants. Troubleshooting common issues may involve checking for leaks, ensuring the tube is correctly aligned within the system, and replacing the tube if signs of significant wear or damage are present.

Cummins Overview

Cummins is a manufacturer with a strong reputation in the industry for producing high-quality diesel engine components. With a history of innovation and commitment to quality, Cummins has established itself as a leader in the production of reliable and efficient engine parts. Their focus on research and development ensures that their products, including the Fuel Drain Tube 3161689, meet the high standards required for commercial truck applications 3.

Compatibility with Cummins Engines

The Cummins Fuel Drain Tube, identified by part number 3161689, is designed to facilitate the removal of water and contaminants from the fuel system. This part is integral to maintaining the operational integrity and efficiency of the engines it is compatible with.

M11 CELECT PLUS

The M11 CELECT PLUS engine benefits from the precise engineering of the Cummins Fuel Drain Tube. This part ensures that the fuel system remains clean, which is crucial for the engine’s performance and longevity. The CELECT PLUS variant, with its advanced electronic controls, relies on a contaminant-free fuel supply to operate optimally.

M11 MECHANICAL

Similarly, the M11 MECHANICAL engine also incorporates the Cummins Fuel Drain Tube. Despite the absence of electronic controls, the mechanical version still requires a clean fuel system to function efficiently. The drain tube plays a pivotal role in preventing water and sediment from entering the fuel lines and injectors, which could otherwise lead to engine damage.

Grouping for Efficiency

Both the M11 CELECT PLUS and M11 MECHANICAL engines share a common need for a reliable fuel drain system. The Cummins Fuel Drain Tube is designed to fit seamlessly into the architecture of these engines, ensuring that the fuel system remains free from contaminants. This compatibility highlights the importance of using genuine Cummins parts for maintenance and repairs, as they are engineered to meet the specific requirements of each engine model.

Role of the Fuel Drain Tube in Engine Systems

The Fuel Drain Tube 3161689 is an essential component in the fuel plumbing system of an engine. It is designed to facilitate the safe and efficient drainage of fuel from the system, ensuring that any excess or contaminated fuel can be removed without compromising the integrity of the fuel lines or the engine itself.

Integration with Fuel Lines

The Fuel Drain Tube is typically connected to the main fuel lines, allowing for the controlled release of fuel when necessary. This connection ensures that fuel can be drained from the system without causing leaks or disruptions to the normal fuel flow. The tube is usually equipped with a valve or a similar mechanism to regulate the drainage process, providing precise control over the amount of fuel being released.

Interaction with Fuel Filters

Fuel filters are another important component that the Fuel Drain Tube interacts with. By providing a means to drain fuel, the tube helps in the maintenance and replacement of fuel filters. When a filter becomes clogged or contaminated, the Fuel Drain Tube allows for the safe removal of fuel, minimizing the risk of spills and ensuring that the replacement process is clean and efficient.

Coordination with Fuel Tanks

The Fuel Drain Tube also plays a role in the management of fuel tanks. It enables the draining of fuel from the tank for maintenance or inspection purposes. This is particularly important in ensuring that the fuel tank remains free from contaminants and that the fuel quality is maintained at optimal levels.

Support for Fuel Injectors

Fuel injectors rely on a consistent and clean fuel supply to operate effectively. The Fuel Drain Tube assists in this by allowing for the periodic drainage of fuel, which helps in removing any impurities that may have accumulated in the system. This ensures that the fuel injectors receive clean fuel, enhancing their performance and longevity.

Contribution to Overall System Safety

Beyond its direct interactions with specific components, the Fuel Drain Tube contributes to the overall safety of the engine system. By providing a controlled means of fuel drainage, it helps prevent the buildup of pressure within the fuel lines, which could otherwise lead to leaks or other hazardous conditions.

Conclusion

In summary, the Fuel Drain Tube 3161689 is a vital component that enhances the functionality and safety of the engine’s fuel plumbing system. Its role in facilitating the safe drainage of fuel supports the efficient operation of fuel lines, filters, tanks, and injectors, contributing to the overall performance and reliability of the engine.


  1. Jazar, Reza N. Vehicle Dynamics: Theory and Application. Springer, 2017.

  2. Lejda, Kazimierz, and Pawel Wos. Internal Combustion Engines. InTech, 2012.

  3. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE International, 2023.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.0 x 4.5 x 7.0 in
Weight
0.15 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.