4006215
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$28.95 $34.45

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 4006215 O-Ring Seal is a component designed to ensure the integrity of fluid systems within commercial trucks. Its purpose is to create a reliable seal in various applications, preventing leaks and maintaining system efficiency. This part plays a role in the overall operation of trucks by ensuring that fluids are contained within their designated pathways, which is vital for the proper functioning of the vehicle’s systems 1.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a toroidal (ring-shaped) elastomer with a circular cross-section. It functions by being compressed within a groove, creating a seal between mating surfaces. O-Ring Seals are widely used in mechanical systems to prevent the leakage of fluids and gases, and to exclude contaminants from sensitive areas. Their versatility makes them suitable for a range of applications across different industries 2.

Purpose of the 4006215 O-Ring Seal

The Cummins 4006215 O-Ring Seal is specifically designed to serve in the fluid systems of commercial trucks. It is positioned in areas where a secure seal is required to maintain system pressure and prevent fluid loss. This seal contributes to the efficient operation of the truck by ensuring that fluids remain within the system, which is important for the performance and longevity of the vehicle’s components 3.

Key Features

The 4006215 O-Ring Seal is characterized by its material composition, which is typically a durable elastomer that can withstand a range of temperatures and pressures. Its design is tailored to provide a snug fit within the designated grooves, enhancing its sealing capabilities. The seal’s resilience and flexibility are key attributes that contribute to its performance in demanding environments.

Benefits

Utilizing the 4006215 O-Ring Seal offers several advantages, including enhanced sealing efficiency which helps in maintaining system integrity. Its durability ensures a longer service life, reducing the frequency of replacements. Additionally, the seal’s reliability in harsh operating conditions contributes to the overall robustness of the truck’s systems.

Installation Process

To install the 4006215 O-Ring Seal, one should first ensure that the groove is clean and free of debris. The seal should be lubricated slightly to facilitate insertion without damage. It is then placed into the groove with care to avoid twisting or pinching. Proper installation is important to ensure the seal functions as intended and to prevent potential leaks.

Common Issues and Troubleshooting

O-Ring Seals may encounter issues such as leaks or degradation over time. Common causes include improper installation, exposure to incompatible fluids, or excessive heat. Troubleshooting may involve inspecting the seal for signs of wear, checking for proper groove fit, and ensuring compatibility with system fluids and operating conditions.

Maintenance Tips

Regular maintenance of the 4006215 O-Ring Seal includes periodic inspections for signs of wear or damage. It is also important to follow manufacturer recommendations for replacement intervals. Keeping the seal and its groove clean, and ensuring it is not over-compressed during installation, are best practices for prolonging the seal’s service life.

Compatibility and Applications

The 4006215 O-Ring Seal is designed for use within Cummins engines and is compatible with various commercial truck systems. Its applications are diverse, ranging from fuel systems to hydraulic circuits, demonstrating its versatility and significance in maintaining the functionality of these systems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s products, including the 4006215 O-Ring Seal, are a testament to its dedication to providing reliable and high-performance components for the transportation sector.

Cummins Engine O-Ring Seal 4006215 Compatibility

The Cummins O-Ring Seal part number 4006215 is designed to fit seamlessly within several engine models, ensuring optimal sealing performance and reliability. This O-Ring Seal is integral to maintaining the integrity of various engine components by preventing leaks and ensuring that the engine operates efficiently.

Engine Compatibility

15N CM2380 M104B and QSK78 CM500

The O-Ring Seal 4006215 is compatible with both the 15N CM2380 M104B and QSK78 CM500 engines. These engines, while distinct in their design and application, share common sealing requirements where this O-Ring Seal proves essential. Its precise fit and durability make it a reliable choice for maintaining the operational integrity of these engines.

Z14 CM2670 Z103B

Similarly, the Z14 CM2670 Z103B engine also benefits from the use of the O-Ring Seal 4006215. This engine, like the others mentioned, relies on the O-Ring Seal to prevent leaks and ensure that the engine components function correctly. The compatibility of this seal with the Z14 CM2670 Z103B engine underscores its versatility and effectiveness across different engine types.

Ensuring Engine Performance

The use of the Cummins O-Ring Seal 4006215 in these engines is crucial for maintaining performance and longevity. By providing a reliable seal, this O-Ring helps to prevent oil and fluid leaks, which can lead to engine damage if not addressed. Its compatibility with multiple engine models highlights its importance in the maintenance and operation of these engines.

Role of Part 4006215 O-Ring Seal in Engine Systems

The O-Ring Seal, identified by part number 4006215, is an essential component in ensuring the integrity and efficiency of various engine systems. Its application spans across multiple critical areas within the engine, contributing to the overall performance and longevity of the engine.

Connection Points

At connection points, the O-Ring Seal plays a significant role in maintaining a tight and reliable seal. This is particularly important in fluid systems where leaks can lead to performance issues or damage. The seal ensures that fluids, such as coolant or oil, are contained within their designated pathways, preventing any unwanted leakage that could compromise engine operation.

Water Inlet

In the water inlet system, the O-Ring Seal is utilized to create a secure connection between the water inlet and the engine block. This seal is vital for maintaining the proper flow of coolant into the engine, ensuring that the cooling system functions effectively. A well-sealed water inlet prevents coolant loss and maintains the optimal temperature of the engine, which is essential for efficient operation and preventing overheating.

Cylinder Head Gasket Kit

Within the cylinder head gasket kit, the O-Ring Seal is employed to ensure a proper seal between the cylinder head and the engine block. This seal is important for maintaining the compression within the combustion chambers and preventing any coolant or oil from entering the combustion area. A reliable seal here is essential for the engine’s performance and durability, as it helps in maintaining the correct pressure and temperature conditions within the engine.

Head Gasket Set

In a head gasket set, the O-Ring Seal is used to provide an additional layer of sealing, particularly in areas where the head gasket alone may not be sufficient. This enhances the overall sealing capability of the head gasket set, ensuring that there are no leaks between the cylinder head and the engine block. This is important for maintaining engine efficiency and preventing any potential damage from coolant or oil leaks.

Manifold

The manifold, whether it be the intake or exhaust manifold, relies on the O-Ring Seal to ensure a tight connection to the engine. This seal is important for maintaining the proper flow of air or exhaust gases, which is critical for the engine’s performance. A secure seal here prevents any leaks that could affect the engine’s airflow or exhaust efficiency, ensuring that the engine operates at its optimal level.

Water System

In the broader water system of the engine, the O-Ring Seal is used in various connections and fittings to ensure that the coolant system remains sealed and efficient. This includes connections to the radiator, thermostat housing, and other components within the cooling system. A reliable seal in these areas is essential for maintaining the engine’s temperature within safe operating ranges, which is vital for the engine’s longevity and performance.

Conclusion

The Cummins 4006215 O-Ring Seal is a critical component in the maintenance and operation of commercial truck engines. Its role in preventing leaks, ensuring system efficiency, and contributing to engine longevity cannot be overstated. Proper installation, regular maintenance, and understanding its compatibility with various engine models are key to maximizing the benefits of this part. As a component of Cummins’ commitment to quality and performance, the 4006215 O-Ring Seal exemplifies the importance of reliable sealing solutions in the automotive industry.


  1. Lakshminarayanan, P. A., & Aghav, Y. V. (2010). Modelling Diesel Combustion. Springer Science.

  2. Martyr, A. J. (2007). Engine Testing: Theory and Practice: Third Edition. SAE International.

  3. Khajepour, A. (2023). Synthesis Lectures on Advances in Automotive Technology. Springer.

SPECIFICATIONS

Package Dimensions
3.0 x 3.0 x 0.1 in
Weight
0.01 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.