4970971
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$66.95 $79.67

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 4970971 O-Ring Seal is a component manufactured by Cummins, a well-established name in the commercial truck industry. This O-Ring Seal is designed for use in various systems within commercial trucks, ensuring reliable performance and efficiency. Cummins is renowned for its high-quality parts and comprehensive product range, making the 4970971 a trusted choice for truck operators and maintenance professionals.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket with a circular cross-section, used to create a seal between two or more parts. In mechanical systems, O-Ring Seals serve the general purpose of preventing the leakage of fluids and gases, ensuring the integrity of the system. They function by deforming slightly when compressed between two surfaces, creating a tight seal that can withstand pressure and dynamic movement. O-Ring Seals are utilized in both dynamic applications, where there is relative motion between the sealing surfaces, and static applications, where the surfaces remain stationary 1.

Purpose of the 4970971 O-Ring Seal in Truck Operations

The 4970971 O-Ring Seal plays a specific role in the operation of commercial trucks by ensuring the integrity of seals in various systems and components. It is commonly used in fuel systems, hydraulic systems, and engine components where reliable sealing is crucial to prevent leaks and maintain system efficiency. By providing a dependable seal, the 4970971 contributes to the overall performance and longevity of the truck’s systems 2.

Key Features of the 4970971 O-Ring Seal

The 4970971 O-Ring Seal is characterized by its material composition, dimensions, and design. Typically made from nitrile rubber or fluorocarbon elastomers, it offers excellent resistance to oils, fuels, and various chemicals commonly encountered in truck operations. Its precise dimensions ensure a proper fit within the designated applications, while its design allows for flexibility and resilience under pressure and temperature variations. These features make the 4970971 well-suited for the demanding conditions of commercial truck environments 3.

Benefits of Using the 4970971 O-Ring Seal

Utilizing the 4970971 O-Ring Seal provides several advantages. Its material properties contribute to improved sealing performance, reducing the risk of leaks and enhancing system reliability. The seal’s durability ensures long-lasting performance, even under harsh operating conditions. Additionally, its resistance to a wide range of fluids and temperatures makes it a versatile choice for various truck systems, offering peace of mind to operators and maintenance teams.

Installation Considerations

Proper installation of the 4970971 O-Ring Seal is vital to ensure optimal performance and longevity. Guidelines recommend cleaning the sealing surfaces to remove any debris or contaminants that could compromise the seal. The O-Ring should be lubricated with a compatible lubricant to facilitate installation and reduce the risk of damage. Careful handling during installation is necessary to avoid distorting the O-Ring, which could lead to improper sealing. Following these best practices helps maintain the integrity of the seal and the efficiency of the system.

Troubleshooting Common Issues

Common problems associated with O-Ring Seals include leaks, extrusion, and degradation. Leaks may occur due to improper installation, damage to the O-Ring, or incompatible materials. Extrusion can happen when the O-Ring is subjected to excessive pressure or improper gland design. Degradation may result from exposure to incompatible fluids or extreme temperatures. Troubleshooting steps involve inspecting the O-Ring and sealing surfaces for damage, ensuring proper installation, and selecting the appropriate material for the application.

Maintenance Tips

Regular maintenance practices can prolong the life of the 4970971 O-Ring Seal and ensure continued reliable operation. Inspecting the seal during routine maintenance checks for signs of wear, damage, or deformation is recommended. Cleaning the sealing surfaces and replacing the O-Ring as needed helps prevent leaks and maintain system efficiency. Additionally, storing O-Rings in a cool, dry place away from direct sunlight and extreme temperatures can preserve their integrity and performance.

About Cummins

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 strong reputation for quality, innovation, and reliability in the commercial truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding needs of truck operators and maintenance professionals. Cummins’ commitment to excellence and customer satisfaction has made it a trusted partner in the industry.

Cummins O-Ring Seal 4970971 Compatibility with QSK19 Engines

The Cummins O-Ring Seal part number 4970971 is designed to fit seamlessly within the QSK19 engine family, specifically the QSK19 CM2350 K114 and QSK19 CM850 MCRS models. This seal is integral to maintaining the integrity of the engine’s sealing system, ensuring that there are no leaks or failures that could compromise engine performance.

QSK19 CM2350 K114

In the QSK19 CM2350 K114 engine, the O-Ring Seal 4970971 is used in critical areas where it provides a tight seal between moving parts. This seal is essential for preventing the escape of fluids, which could lead to contamination or loss of pressure. Its placement is strategic, ensuring that it withstands the high temperatures and pressures typical of this engine model.

QSK19 CM850 MCRS

Similarly, in the QSK19 CM850 MCRS engine, the O-Ring Seal 4970971 plays a crucial role in maintaining the engine’s sealing integrity. This seal is designed to fit precisely in areas where it is subjected to both mechanical stress and thermal variations. Its robust construction ensures that it can maintain a reliable seal over the engine’s operational life, contributing to the overall efficiency and longevity of the engine.

Grouping the Engines

Both the QSK19 CM2350 K114 and QSK19 CM850 MCRS engines share common design principles and operational requirements, which is why the O-Ring Seal 4970971 is compatible with both. This compatibility allows for easier maintenance and part replacement, as technicians can use the same seal for multiple engine models within the QSK19 family. This standardization simplifies inventory management and reduces the likelihood of errors during maintenance procedures.

Role of Part 4970971 O-Ring Seal in Engine Systems

The 4970971 O-Ring Seal is an essential component in maintaining the integrity and efficiency of various engine systems. Its application spans across multiple components, ensuring optimal performance and longevity.

Integration with Filters

In filtration systems, the 4970971 O-Ring Seal is utilized to create a secure and leak-proof connection between the filter and its housing. This seal prevents contaminants from bypassing the filter media, ensuring that the lubricating oil remains clean and effective. The seal’s precise fit within the filter assembly guarantees that the filtration process is uncompromised, contributing to the overall health of the engine.

Lubricating Oil Systems

Within lubricating oil systems, the 4970971 O-Ring Seal plays a significant role in maintaining the pressure and flow of oil. It is installed in the connections between the lubricating oil filter and the filter head, ensuring that there are no leaks that could lead to a drop in oil pressure. This consistent pressure is vital for the proper lubrication of engine components, reducing wear and tear.

Filter Kits

When incorporated into filter kits, the 4970971 O-Ring Seal enhances the kit’s effectiveness by providing a reliable seal at multiple connection points. This is particularly important in ensuring that the filter kit functions as intended, without any loss of efficiency due to leaks.

Hydraulic Motors

In hydraulic motor applications, the 4970971 O-Ring Seal is used to maintain the integrity of the hydraulic fluid pathways. It ensures that the hydraulic fluid is contained within the system, preventing leaks that could lead to a loss of hydraulic pressure. This is essential for the consistent operation of the hydraulic motor, which relies on precise fluid dynamics to function correctly.

Lubricating Oil Filter Head

The seal is also critical in the assembly of the lubricating oil filter head. By providing a tight seal between the filter head and the engine block or other components, it ensures that the lubricating oil is distributed evenly and under the correct pressure. This contributes to the efficient operation of the engine’s lubrication system.

Seal Kits

In seal kits, the 4970971 O-Ring Seal is often included to replace worn or damaged seals. Its durability and precise fit make it an ideal component for ensuring that the seal kit restores the engine system to its original performance levels. This is particularly important in maintaining the integrity of the engine’s various seals over time.

Conclusion

Overall, the 4970971 O-Ring Seal is a versatile and indispensable component in the maintenance and operation of engine systems. Its role in preventing leaks, maintaining pressure, and ensuring the efficiency of filtration and lubrication processes underscores its importance in the overall performance and longevity of engine components.


  1. Sully, F. K. (1998). Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing.

  2. Boyce, M. P. (2011). Gas Turbine Engineering Handbook 4th Edition. Butterworth-Heinemann.

  3. Hilgers, M. (2023). Entire Vehicle: Second Edition. Springer Nature.

* 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.