4003428
Tank O-Ring Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$269.95 $321.24

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 4003428 Tank O-Ring Seal, manufactured by Cummins, is a component designed for use in commercial trucks. It is integral to maintaining the integrity of tank systems by ensuring a secure seal. Seals play a significant role in preventing leaks and maintaining system pressure, which is vital for the efficient operation of commercial vehicles.

Basic Concepts of Tank O-Ring Seals

An O-ring seal is a torus-shaped ring designed to create a seal between two or more parts. In sealing applications, O-rings are used to prevent the leakage of fluids or gases. In tank systems, they ensure that the contents remain contained under pressure. O-rings are typically made from materials such as nitrile rubber, fluorocarbon, or silicone, each offering different properties like resistance to chemicals, temperature, and pressure 1.

Purpose of the 4003428 Tank O-Ring Seal

This Cummins part is designed to play a role in the operation of a truck by preventing leaks and maintaining pressure within the tank system. Its function is to create a barrier that keeps the tank’s contents from escaping, ensuring that the system operates efficiently and safely.

Key Features

The 4003428 is characterized by its material composition, which is selected for its durability and resistance to the specific conditions it will encounter. The size and design of the O-ring are tailored to fit precisely within the tank system, enhancing its performance and longevity.

Benefits

Using this part offers several advantages. It contributes to improved system efficiency by ensuring a tight seal, which can lead to reduced maintenance costs over time. Additionally, by preventing leaks, it enhances safety, protecting both the vehicle and its operators.

Installation Considerations

Proper installation of the Tank O-Ring Seal is important for its effectiveness. This includes preparing the sealing surface to ensure it is clean and free of debris, correctly seating the O-ring in its groove, and adhering to any torque specifications provided to avoid over-tightening, which could damage the seal.

Troubleshooting Common Issues

Common problems with Tank O-Ring Seals may include leaks or failure due to wear or incorrect installation. Troubleshooting these issues involves inspecting the seal for signs of damage, ensuring it is correctly seated, and checking for any obstructions or contaminants that could affect its performance.

Maintenance Tips

Regular maintenance of the 4003428 is recommended to ensure its continued effectiveness. This includes periodic inspections for signs of wear or degradation and replacing the seal when necessary to prevent potential leaks and maintain system integrity.

Cummins: Manufacturer Overview

Cummins Inc. is a well-established manufacturer with a broad product range that includes components for commercial trucks. The company has a reputation for quality and innovation in the automotive industry, with a commitment to producing reliable and efficient parts. Cummins’ history and product offerings reflect its dedication to advancing technology and meeting the needs of its customers in the commercial truck sector.

Cummins Engine Part 4003428: Tank O-Ring Seal

The Tank O-Ring Seal part number 4003428, manufactured by Cummins, is a component in ensuring the integrity and efficiency of various engine systems. This seal is designed to fit seamlessly with several Cummins engines, providing a reliable barrier against leaks and maintaining system pressure.

K19 Engine Family

The K19 engine family, known for its robust performance and reliability, incorporates the Tank O-Ring Seal part number 4003428 in its design. This seal is integral to the engine’s fuel system, ensuring that fuel remains contained within the tank and is delivered efficiently to the engine. The precise fit and high-quality material of the seal prevent fuel leaks, which is crucial for maintaining engine performance and preventing environmental contamination.

Application in Engine Systems

In the K19 engine, the Tank O-Ring Seal part number 4003428 is typically used in the fuel tank assembly. Its primary function is to create a watertight seal between the fuel tank and its cap, preventing fuel evaporation and contamination. This seal is also crucial in maintaining the pressure within the fuel system, ensuring that the fuel pump operates under optimal conditions.

Importance of the Seal

The Tank O-Ring Seal part number 4003428 is for the longevity and efficiency of the engine. A compromised seal can lead to fuel leaks, which not only affect engine performance but also pose safety hazards. Regular inspection and replacement of this seal are recommended to maintain the engine’s operational integrity and prevent potential failures.

Role of Part 4003428 Tank O-Ring Seal in Engine Systems

The part 4003428 Tank O-Ring Seal is instrumental in ensuring the integrity and efficiency of various engine systems, particularly those involving fluid transfer and temperature regulation.

In the heat exchanger system, the Tank O-Ring Seal provides a reliable barrier that prevents leaks between the tank and the exchanger components. This seal ensures that coolant or other fluids are effectively transferred without any loss, maintaining the system’s efficiency and preventing potential damage from fluid leaks.

Within the heat assembly exchanger, the seal plays a significant role in maintaining the structural integrity of the assembly. It ensures that the various components of the heat assembly, which work together to regulate engine temperature, remain securely connected. This is essential for the consistent performance of the heat assembly and the overall engine system.

Furthermore, in systems involving the heat exchanger, the Tank O-Ring Seal is vital for the proper functioning of the exchanger itself. It ensures that the fluids passing through the exchanger are contained within the system, allowing for efficient heat transfer and temperature regulation. This contributes to the engine’s optimal performance and longevity.

Overall, the part 4003428 Tank O-Ring Seal is a key component in maintaining the reliability and efficiency of engine systems that involve fluid dynamics and temperature management.

Conclusion

The 4003428 Tank O-Ring Seal is a critical component in the maintenance and operation of commercial truck tank systems and engine assemblies. Its role in preventing leaks, maintaining system pressure, and ensuring the efficient transfer of fluids is essential for the performance and safety of these systems. Regular maintenance and proper installation of this part are recommended to ensure its effectiveness and longevity.


  1. Limpert, Rudolf. Brake Design and Safety, Third Edition. SAE International, 2011.

SPECIFICATIONS

Service Part Topic
00T8-4
Package Dimensions
7.8 x 6.5 x 1.0 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.